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If the -w flag is not specified, Tethereal prints a decoded form of the packets it captures or reads; otherwise, it writes those packets to the file specified by that flag.
When printing a decoded form of packets, Tethereal prints, by default, a summary line giving a time stamp for the packet if it's reading a capture file (but not if it's printing packets as it captures them), the source and destination address for the packet, the top-level protocol for the packet that Tethereal understands, and a summary of the packet's contents for that protocol. If the -V flag is specified, it prints intead a protocol tree, showing all the fields of all protocols in the packet.
When writing packets to a file, Tethereal, by default, writes the file in libpcap format, and writes all of the packets it sees to the output file. The -F flag can be used to specify the format in which to write the file; it can write the file in libpcap format (standard libpcap format, a modified format used by some patched versions of libpcap, or the format used by Red Hat Linux 6.1), snoop format, uncompressed Sniffer format, Microsoft Network Monitor 1.x format, and the format used by Windows-based versions of the Sniffer software.
Read filters in Tethereal, which allow you to select which packets are to be decoded or written to a file, are very powerful; more fields are filterable in Tethereal than in other protocol analyzers, and the syntax you can use to create your filters is richer. As Tethereal progresses, expect more and more protocol fields to be allowed in read filters.
Packet capturing is performed with the pcap library. The capture filter syntax follows the rules of the pcap library. This syntax is different from the read filter syntax. A read filter can also be specified when capturing, and only packets that pass the read filter will be displayed or saved to the output file; note, however, that capture filers are much more efficient than read filters, and it may be more difficult for Tethereal to keep up with a busy network if a read filter is specified for a live capture.
Compressed file support uses (and therefore requires) the zlib library. If the zlib library is not present, Tethereal will compile, but will be unable to read compressed files.
A capture or read filter can either be specified with the -f or -R option, respectively, in which case the entire filter expression must be specified as a single argument (which means that if it contains spaces, it must be quoted), or can be specified with command-line arguments after the option arguments, in which case all the arguments after the filter arguments are treated as a filter expression.
The simplest read filter allows you to check for the existence of a protocol or field. If you want to see all packets which contain the IPX protocol, the filter would be ``ipx''. (Without the quotation marks) To see all packets that contain a Token-Ring RIF field, use ``tr.rif''.
Fields can also be compared against values. The comparison operators can be expressed either through C-like symbols, or through English-like abbreviations:
eq, == Equal ne, != Not equal gt, > Greater than lt, < Less Than ge, >= Greater than or Equal to le, <= Less than or Equal toFurthermore, each protocol field is typed. The types are:
Unsigned integer (either 8-bit, 16-bit, 24-bit, or 32-bit) Signed integer (either 8-bit, 16-bit, 24-bit, or 32-bit) Boolean Ethernet address (6 bytes) Byte string (n-number of bytes) IPv4 address IPv6 address IPX network number String (text) Double-precision floating point numberAn integer may be expressed in decimal, octal, or hexadecimal notation. The following three read filters are equivalent:
frame.pkt_len > 10 frame.pkt_len > 012 frame.pkt_len > 0xaBoolean values are either true or false. However, a boolean field is present in a protocol decode only if its value is true. If the value is false, the field is not presence. You can therefore check the truth value of a boolean field by simply checking for its existence, that is, by naming the field. For example, a token-ring packet's source route field is boolean. To find any source-routed packets, the read filter is simply:
tr.srNon source-routed packets can be found with the negation of that filter:
! tr.srEthernet addresses, as well as a string of bytes, are represented in hex digits. The hex digits may be separated by colons, periods, or hyphens:
fddi.dst eq ff:ff:ff:ff:ff:ff ipx.srcnode == 0.0.0.0.0.1 eth.src == aa-aa-aa-aa-aa-aaIf a string of bytes contains only one byte, then it is represented as an unsigned integer. That is, if you are testing for hex value `ff' in a one-byte byte-string, you must compare it agains `0xff' and not `ff'.
IPv4 addresses can be represented in either dotted decimal notation, or by using the hostname:
ip.dst eq www.mit.edu ip.src == 192.168.1.1IPv4 address can be compared with the same logical relations as numbers: eq, ne, gt, ge, lt, and le. The IPv4 address is stored in host order, so you do not have to worry about how the endianness of an IPv4 address when using it in a read filter.
Classless InterDomain Routing (CIDR) notation can be used to test if an IPv4 address is in a certain subnet. For example, this read filter will find all packets in the 129.111 Class-B network:
ip.addr == 129.111.0.0/16Remember, the number after the slash represents the number of bits used to represent the network. CIDR notation can also be used with hostnames, in this example of finding IP addresses on the same Class C network as `sneezy':
ip.addr eq sneezy/24The CIDR notation can only be used on IP addresses or hostnames, not in variable names. So, a read filter like ``ip.src/24 == ip.dst/24'' is not valid. (yet)
IPX networks are represented by unsigned 32-bit integers. Most likely you will be using hexadecimal when testing for IPX network values:
ipx.srcnet == 0xc0a82c00A substring operator also exists. You can check the substring (byte-string) of any protocol or field. For example, you can filter on the vendor portion of an ethernet address (the first three bytes) like this:
eth.src[0:3] == 00:00:83Or more simply, since the number of bytes is inherent in the byte-string you provide, you can provide just the offset. The previous example can be stated like this:
eth.src[0] == 00:00:83In fact, the only time you need to explicitly provide a length is when you don't provide a byte-string, and are comparing fields against fields:
fddi.src[0:3] == fddi.dst[0:3]If the length of your byte-string is only one byte, then it must be represented in the same way as an unsigned 8-bit integer:
llc[3] == 0xaaYou can use the substring operator on a protocol name, too. And remember, the ``frame'' protocol encompasses the entire packet, allowing you to look at the nth byte of a packet regardless of its frame type (Ethernet, token-ring, etc.).
token[0:5] ne 0.0.0.1.1 ipx[0:2] == ff:ff llc[3:1] eq 0xaaOffsets for byte-strings can also be negative, in which case the negative number indicates the number of bytes from the end of the field or protocol that you are testing. Here's how to check the last 4 bytes of a frame:
frame[-4] == 0.1.2.3or
frame[-4:4] == 0.1.2.3All the above tests can be combined together with logical expressions. These too are expressable in C-like syntax or with English-like abbreviations:
and, && Logical AND or, || Logical OR xor, ^^ Logical XOR not, ! Logical NOTExpressions can be grouped by parentheses as well. The following are all valid read filter expression:
tcp.port == 80 and ip.src == 192.168.2.1 not llc (ipx.srcnet == 0xbad && ipx.srnode == 0.0.0.0.0.1) || ip tr.dst[0:3] == 0.6.29 xor tr.src[0:3] == 0.6.29A special caveat must be given regarding fields that occur more than once per packet. ``ip.addr'' occurs twice per IP packet, once for the source address, and once for the destination address. Likewise, tr.rif.ring fields can occur more than once per packet. The following two expressions are not equivalent:
ip.addr ne 192.168.4.1 not ip.addr eq 192.168.4.1The first filter says ``show me all packets where an ip.addr exists that does not equal 192.168.4.1''. That is, as long as one ip.addr in the packet does not equal 192.168.44.1, the packet passes the display filter. The second filter ``don't show me any packets that have at least one ip.addr field equal to 192.168.4.1''. If one ip.addr is 192.168.4.1, the packet does not pass. If neither ip.addr fields is 192.168.4.1, then the packet passes.
It is easy to think of the `ne' and `eq' operators as having an implict ``exists'' modifier when dealing with multiply-recurring fields. ``ip.addr ne 192.168.4.1'' can be thought of as ``there exists an ip.addr that does not equal 192.168.4.1''.
Be careful with multiply-recurring fields; they can be confusing.
The following is a table of protocol and protocol fields that are filterable in Tethereal. The abbreviation of the protocol or field is given. This abbreviation is what you use in the read filter. The type of the field is also given.
vlan.cfi CFI Unsigned 16-bit integer
vlan.etype Type Unsigned 16-bit integer
vlan.id ID Unsigned 16-bit integer
vlan.priority Priority Unsigned 16-bit integer
atm.vci VCI Unsigned 16-bit integer
atm.vpi VPI Unsigned 8-bit integer
arp.dst.atm_num_e164 Target ATM number (E.164) String
arp.dst.atm_num_nsap Target ATM number (NSAP) Byte array
arp.dst.atm_subaddr Target ATM subaddress Byte array
arp.dst.htl Target ATM number type and length Unsigned 8-bit integer
arp.dst.hw Target hardware address Byte array
arp.dst.pln Target protocol size Unsigned 8-bit integer
arp.dst.proto Target protocol address Byte array
arp.dst.slen Target ATM subaddress length Unsigned 8-bit integer
arp.hw.size Hardware size Unsigned 8-bit integer
arp.hw.type Hardware type Unsigned 16-bit integer
arp.opcode Opcode Unsigned 16-bit integer
arp.proto.size Protocol size Unsigned 8-bit integer
arp.proto.type Protocol type Unsigned 16-bit integer
arp.src.atm_num_e164 Sender ATM number (E.164) String
arp.src.atm_num_nsap Sender ATM number (NSAP) Byte array
arp.src.atm_subaddr Sender ATM subaddress Byte array
arp.src.htl Sender ATM number type and length Unsigned 8-bit integer
arp.src.hw Sender hardware address Byte array
arp.src.pln Sender protocol size Unsigned 8-bit integer
arp.src.proto Sender protocol address Byte array
arp.src.slen Sender ATM subaddress length Unsigned 8-bit integer
afs.backup Backup Boolean
afs.backup.errcode Error Code Unsigned 32-bit integer
afs.backup.opcode Operation Unsigned 32-bit integer
afs.bos BOS Boolean
afs.bos.content Content String
afs.bos.date Date Unsigned 32-bit integer
afs.bos.errcode Error Code Unsigned 32-bit integer
afs.bos.flags Flags Unsigned 32-bit integer
afs.bos.instance Instance String
afs.bos.number Number Unsigned 32-bit integer
afs.bos.opcode Operation Unsigned 32-bit integer
afs.bos.size Size Unsigned 32-bit integer
afs.bos.status Status Signed 32-bit integer
afs.bos.type Type String
afs.cb Callback Boolean
afs.cb.callback.expires Expires Date/Time stamp
afs.cb.callback.type Type Unsigned 32-bit integer
afs.cb.callback.version Version Unsigned 32-bit integer
afs.cb.errcode Error Code Unsigned 32-bit integer
afs.cb.fid.uniq FileID (Uniqifier) Unsigned 32-bit integer
afs.cb.fid.vnode FileID (VNode) Unsigned 32-bit integer
afs.cb.fid.volume FileID (Volume) Unsigned 32-bit integer
afs.cb.opcode Operation Unsigned 32-bit integer
afs.error Error Boolean
afs.error.opcode Operation Unsigned 32-bit integer
afs.fs File Server Boolean
afs.fs.acl.a _A_dminister Unsigned 8-bit integer
afs.fs.acl.count.negative ACL Count (Negative) Unsigned 32-bit integer
afs.fs.acl.count.positive ACL Count (Positive) Unsigned 32-bit integer
afs.fs.acl.d _D_elete Unsigned 8-bit integer
afs.fs.acl.datasize ACL Size Unsigned 32-bit integer
afs.fs.acl.entity Entity (User/Group) String
afs.fs.acl.i _I_nsert Unsigned 8-bit integer
afs.fs.acl.k _L_ock Unsigned 8-bit integer
afs.fs.acl.l _L_ookup Unsigned 8-bit integer
afs.fs.acl.r _R_ead Unsigned 8-bit integer
afs.fs.acl.w _W_rite Unsigned 8-bit integer
afs.fs.callback.expires Expires Date/Time stamp
afs.fs.callback.type Type Unsigned 32-bit integer
afs.fs.callback.version Version Unsigned 32-bit integer
afs.fs.data Data Byte array
afs.fs.errcode Error Code Unsigned 32-bit integer
afs.fs.fid.uniq FileID (Uniqifier) Unsigned 32-bit integer
afs.fs.fid.vnode FileID (VNode) Unsigned 32-bit integer
afs.fs.fid.volume FileID (Volume) Unsigned 32-bit integer
afs.fs.flength FLength Unsigned 32-bit integer
afs.fs.length Length Unsigned 32-bit integer
afs.fs.name Name String
afs.fs.newname New Name String
afs.fs.offset Offset Unsigned 32-bit integer
afs.fs.oldname Old Name String
afs.fs.opcode Operation Unsigned 32-bit integer
afs.fs.symlink.content Symlink Content String
afs.fs.symlink.name Symlink Name String
afs.fs.timestamp Timestamp Date/Time stamp
afs.fs.volid Volume ID Unsigned 32-bit integer
afs.fs.volname Volume Name String
afs.kauth Kauth Boolean
afs.kauth.data Data Byte array
afs.kauth.domain Domain String
afs.kauth.errcode Error Code Unsigned 32-bit integer
afs.kauth.kvno Key Version Number Unsigned 32-bit integer
afs.kauth.name Name String
afs.kauth.opcode Operation Unsigned 32-bit integer
afs.kauth.princ Principal String
afs.kauth.realm Realm String
afs.prot Protection Boolean
afs.prot.count Count Unsigned 32-bit integer
afs.prot.errcode Error Code Unsigned 32-bit integer
afs.prot.flag Flag Unsigned 32-bit integer
afs.prot.gid Group ID Unsigned 32-bit integer
afs.prot.id ID Unsigned 32-bit integer
afs.prot.maxgid Maximum Group ID Unsigned 32-bit integer
afs.prot.maxuid Maximum User ID Unsigned 32-bit integer
afs.prot.name Name String
afs.prot.newid New ID Unsigned 32-bit integer
afs.prot.oldid Old ID Unsigned 32-bit integer
afs.prot.opcode Operation Unsigned 32-bit integer
afs.prot.pos Position Unsigned 32-bit integer
afs.prot.uid User ID Unsigned 32-bit integer
afs.rmtsys Rmtsys Boolean
afs.rmtsys.opcode Operation Unsigned 32-bit integer
afs.ubik Ubik Boolean
afs.ubik.errcode Error Code Unsigned 32-bit integer
afs.ubik.file File Unsigned 32-bit integer
afs.ubik.length Length Unsigned 32-bit integer
afs.ubik.locktype Lock Type Unsigned 32-bit integer
afs.ubik.opcode Operation Unsigned 32-bit integer
afs.ubik.position Position Unsigned 32-bit integer
afs.ubik.site Site IPv4 address
afs.ubik.syncsite Syncsite Boolean
afs.ubik.version.counter Counter Unsigned 32-bit integer
afs.ubik.version.epoch Epoch Date/Time stamp
afs.ubik.voteend Vote Ends Date/Time stamp
afs.ubik.votestart Vote Started Date/Time stamp
afs.ubik.votetype Vote Type Boolean
afs.update Update Boolean
afs.update.opcode Operation Unsigned 32-bit integer
afs.vldb VLDB Boolean
afs.vldb.bkvol Backup Volume ID Unsigned 32-bit integer
afs.vldb.bump Bumped Volume ID Unsigned 32-bit integer
afs.vldb.count Volume Count Unsigned 32-bit integer
afs.vldb.errcode Error Code Unsigned 32-bit integer
afs.vldb.id Volume ID Unsigned 32-bit integer
afs.vldb.index Volume Index Unsigned 32-bit integer
afs.vldb.name Volume Name String
afs.vldb.nextindex Next Volume Index Unsigned 32-bit integer
afs.vldb.numservers Number of Servers Unsigned 32-bit integer
afs.vldb.opcode Operation Unsigned 32-bit integer
afs.vldb.partition Partition String
afs.vldb.rovol Read-Only Volume ID Unsigned 32-bit integer
afs.vldb.rwvol Read-Write Volume ID Unsigned 32-bit integer
afs.vldb.server Server IPv4 address
afs.vldb.serveruuid Server UUID Byte array
afs.vldb.type Volume Type Unsigned 32-bit integer
afs.vol Volume Server Boolean
afs.vol.count Volume Count Unsigned 32-bit integer
afs.vol.errcode Error Code Unsigned 32-bit integer
afs.vol.id Volume ID Unsigned 32-bit integer
afs.vol.name Volume Name String
afs.vol.opcode Operation Unsigned 32-bit integer
aarp.dst.ether Target ether Byte array
aarp.dst.id Target ID Byte array
aarp.hard.size Hardware size Unsigned 8-bit integer
aarp.hard.type Hardware type Unsigned 16-bit integer
aarp.opcode Opcode Unsigned 16-bit integer
aarp.proto.size Protocol size Unsigned 8-bit integer
aarp.proto.type Protocol type Unsigned 16-bit integer
aarp.src.ether Sender ether Byte array
aarp.src.id Sender ID Byte array
v120.address Link Address Unsigned 16-bit integer
v120.control Control Field Unsigned 16-bit integer
v120.header Header Field String
ah.sequence Sequence Unsigned 32-bit integer
ah.spi SPI Unsigned 32-bit integer
bootparams.domain Client Domain String
bootparams.fileid File ID String
bootparams.filepath File Path String
bootparams.host Client Host String
bootparams.hostaddr Client Address IPv4 address
bootparams.routeraddr Router Address IPv4 address
bootp.cookie Magic cookie IPv4 address
bootp.dhcp Frame is DHCP Boolean
bootp.file Boot file name String
bootp.flag Broadcast flag Unsigned 16-bit integer
bootp.hops Hops Unsigned 8-bit integer
bootp.hw.addr Client hardware address Byte array
bootp.hw.len Hardware address length Unsigned 8-bit integer
bootp.hw.type Hardware type Unsigned 8-bit integer
bootp.id Transaction ID Unsigned 32-bit integer
bootp.ip.client Client IP address IPv4 address
bootp.ip.relay Relay agent IP address IPv4 address
bootp.ip.server Next server IP address IPv4 address
bootp.ip.your Your (client) IP address IPv4 address
bootp.secs Seconds elapsed Unsigned 16-bit integer
bootp.server Server host name String
bootp.type Message type Unsigned 8-bit integer
auto_rp.grp Group mapping to this RP Unsigned 8-bit integer
auto_rp.map Auto-RP address map Unsigned 8-bit integer
auto_rp.mask_sgn Group prefix sign Unsigned 8-bit integer
auto_rp.pim_ver RP's highest PIM version Unsigned 8-bit integer
auto_rp.type Auto-RP packet type Unsigned 8-bit integer
auto_rp.typever Auto-RP message version and type Unsigned 8-bit integer
auto_rp.version Auto-RP protocol version Unsigned 8-bit integer
cdp.flags Flags Unsigned 8-bit integer
cdp.tlv.len Length Unsigned 16-bit integer
cdp.tlv.type Type Unsigned 16-bit integer
cdp.ttl TTL Unsigned 16-bit integer
cdp.version Version Unsigned 8-bit integer
cgmp.count Count Unsigned 8-bit integer
cgmp.gda Group Destination Address 6-byte Hardware (MAC) Address
cgmp.type Type Unsigned 8-bit integer
cgmp.usa Unicast Source Address 6-byte Hardware (MAC) Address
cgmp.version Version Unsigned 8-bit integer
isl.addr Source or Destination Address 6-byte Hardware (MAC) Address
isl.bpdu BPDU Boolean
isl.crc CRC Unsigned 32-bit integer
isl.dst Destination 6-byte Hardware (MAC) Address
isl.dst_route_desc Destination route descriptor Unsigned 16-bit integer
isl.esize Esize Unsigned 8-bit integer
isl.explorer Explorer Boolean
isl.fcs_not_incl FCS Not Included Boolean
isl.hsa HSA Unsigned 24-bit integer
isl.index Index Unsigned 16-bit integer
isl.len Length Unsigned 16-bit integer
isl.src Source 6-byte Hardware (MAC) Address
isl.src_route_desc Source-route descriptor Unsigned 16-bit integer
isl.src_vlan_id Source VLAN ID Unsigned 16-bit integer
isl.type Type Unsigned 8-bit integer
isl.user User Unsigned 8-bit integer
isl.user_eth User Unsigned 8-bit integer
isl.vlan_id VLAN ID Unsigned 16-bit integer
cops.client_type Client Type Unsigned 16-bit integer
cops.flags Flags Unsigned 8-bit integer
cops.msg_len Message Length Unsigned 32-bit integer
cops.obj.c_num C-Num Unsigned 8-bit integer
cops.obj.c_type C-Type Unsigned 8-bit integer
cops.obj.len Object Length Unsigned 32-bit integer
cops.op_code Op Code Unsigned 8-bit integer
cops.ver_flags Version and Flags Unsigned 8-bit integer
cops.version Version Unsigned 8-bit integer
ddp.checksum Checksum Unsigned 16-bit integer
ddp.dst.net Destination Net Unsigned 16-bit integer
ddp.dst.node Destination Node Unsigned 8-bit integer
ddp.dst.socket Destination Socket Unsigned 8-bit integer
ddp.hopcount Hop count Unsigned 8-bit integer
ddp.len Datagram length Unsigned 16-bit integer
ddp.src.net Source Net Unsigned 16-bit integer
ddp.src.node Source Node Unsigned 8-bit integer
ddp.src.socket Source Socket Unsigned 8-bit integer
ddp.type Protocol type Unsigned 8-bit integer
dns.count.add_rr Additional RRs Unsigned 16-bit integer
dns.count.answers Answer RRs Unsigned 16-bit integer
dns.count.auth_rr Authority RRs Unsigned 16-bit integer
dns.count.queries Questions Unsigned 16-bit integer
dns.flags Flags Unsigned 16-bit integer
dns.id Transaction ID Unsigned 16-bit integer
dns.query Query Boolean
dns.response Response Boolean
ddtp.encrypt Encryption Unsigned 32-bit integer
ddtp.hostid Hostid Unsigned 32-bit integer
ddtp.ipaddr IP addres IPv4 address
ddtp.msgtype Message type Unsigned 32-bit integer
ddtp.opcode Opcode Unsigned 32-bit integer
ddtp.status Status Unsigned 32-bit integer
ddtp.version Version Unsigned 32-bit integer
esp.sequence Sequence Unsigned 32-bit integer
esp.spi SPI Unsigned 32-bit integer
eth.addr Source or Destination Address 6-byte Hardware (MAC) Address
eth.dst Destination 6-byte Hardware (MAC) Address
eth.len Length Unsigned 16-bit integer
eth.src Source 6-byte Hardware (MAC) Address
eth.trailer Trailer Byte array
eth.type Type Unsigned 16-bit integer
ex25.d D Bit Boolean
ex25.lcn Logical Channel Unsigned 16-bit integer
ex25.m M Bit Boolean
ex25.mod Modulo Unsigned 16-bit integer
ex25.p_r P(R) Unsigned 8-bit integer
ex25.p_s P(S) Unsigned 8-bit integer
ex25.q Q Bit Boolean
ex25.type Packet Type Unsigned 8-bit integer
fddi.addr Source or Destination Address 6-byte Hardware (MAC) Address
fddi.dst Destination 6-byte Hardware (MAC) Address
fddi.fc Frame Control Unsigned 8-bit integer
fddi.src Source 6-byte Hardware (MAC) Address
ftp.reponse.data Response data String
ftp.request Request Boolean
ftp.request.command Request command String
ftp.request.data Request data String
ftp.response Response Boolean
ftp.response.code Response code Unsigned 8-bit integer
frame.cap_len Capture Frame Length Unsigned 32-bit integer
frame.number Frame Number Unsigned 32-bit integer
frame.pkt_len Total Frame Length Unsigned 32-bit integer
frame.time Arrival Time Date/Time stamp
frame.time_delta Time delta from previous packet Time duration
giop.len Message size Unsigned 32-bit integer
giop.type Message type Unsigned 8-bit integer
gre.proto Protocol Type Unsigned 16-bit integer
http.request Request Boolean
http.response Response Boolean
icq.checkcode Checkcode Unsigned 32-bit integer
icq.cmd Command Unsigned 16-bit integer
icq.decode Decode String
icq.sessionid SessionID Unsigned 32-bit integer
icq.type Type Unsigned 16-bit integer
icq.uin UIN Unsigned 32-bit integer
ipcomp.cpi CPI Unsigned 16-bit integer
ipcomp.flags Flags Unsigned 8-bit integer
ipxmsg.conn Connection Number Unsigned 8-bit integer
ipxmsg.sigchar Signature Char Unsigned 8-bit integer
ipxrip.request Request Boolean
ipxrip.response Response Boolean
isis_hello.circuite_type Circuit type Unsigned 8-bit integer
isis_hello.clv_ipv4_int_addr IPv4 interface address IPv4 address
isis_hello.holding_timer Holding timer Unsigned 16-bit integer
isis_hello.lan_id SystemID{ Designated IS } String
isis_hello.local_circuit_id Local circuit ID Unsigned 8-bit integer
isis_hello.pdu_length PDU length Unsigned 16-bit integer
isis_hello.priority Priority Unsigned 8-bit integer
isis_hello.source_id SystemID{ Sender of PDU } 6-byte Hardware (MAC) Address
isis_csnp.pdu_length PDU length Unsigned 16-bit integer
isis.irpd Intra Domain Routing Protocol Discriminator Unsigned 8-bit integer
isis.len PDU Header Length Unsigned 8-bit integer
isis.max_area_adr Max.AREAs: (0==3) Unsigned 8-bit integer
isis.reserved Reserved (==0) Unsigned 8-bit integer
isis.sysid_len System ID Length Unsigned 8-bit integer
isis.type PDU Type : Unsigned 8-bit integer
isis.version Version (==1) Unsigned 8-bit integer
isis.version2 Version2 (==1) Unsigned 8-bit integer
isis_lsp.checksum Checksum Unsigned 16-bit integer
isis_lsp.clv_ipv4_int_addr IPv4 interface address: IPv4 address
isis_lsp.pdu_length PDU length Unsigned 16-bit integer
isis_lsp.remaining_life Remaining life Unsigned 16-bit integer
isis_lsp.sequence_number Sequence number Unsigned 32-bit integer
isis_psnp.pdu_length PDU length Unsigned 16-bit integer
clnp.checksum Checksum Unsigned 16-bit integer
clnp.dsap DA Byte array
clnp.dsap.len DAL Unsigned 8-bit integer
clnp.len HDR Length Unsigned 8-bit integer
clnp.nlpi Network Layer Protocol Identifier Unsigned 8-bit integer
clnp.pdu.len PDU length Unsigned 16-bit integer
clnp.ssap SA Byte array
clnp.ssap.len SAL Unsigned 8-bit integer
clnp.ttl Holding Time Unsigned 8-bit integer
clnp.type PDU Type Unsigned 8-bit integer
clnp.version Version Unsigned 8-bit integer
esis.chksum Checksum Unsigned 16-bit integer
esis.htime Holding Time Unsigned 16-bit integer
esis.length PDU Length Unsigned 8-bit integer
esis.nlpi Network Layer Protocol Identifier Unsigned 8-bit integer
esis.res Reserved(==0) Unsigned 8-bit integer
esis.type PDU Type Unsigned 8-bit integer
esis.ver Version (==1) Unsigned 8-bit integer
icp.length Length Unsigned 16-bit integer
icp.nr Request Number Unsigned 32-bit integer
icp.opcode Opcode Unsigned 8-bit integer
icp.version Version Unsigned 8-bit integer
icmp.checksum Checksum Unsigned 16-bit integer
icmp.code Code Unsigned 8-bit integer
icmp.type Type Unsigned 8-bit integer
icmpv6.checksum Checksum Unsigned 16-bit integer
icmpv6.code Code Unsigned 8-bit integer
icmpv6.type Type Unsigned 8-bit integer
igmp.checksum Checksum Unsigned 16-bit integer
igmp.group Group address IPv4 address
igmp.type Type Unsigned 8-bit integer
igmp.unused Unused Unsigned 8-bit integer
igmp.version Version Unsigned 8-bit integer
imap.request Request Boolean
imap.response Response Boolean
ip.addr Source or Destination Address IPv4 address
ip.checksum Header checksum Unsigned 16-bit integer
ip.dsfield Differentiated Services field Unsigned 8-bit integer
ip.dsfield.cu Currently Unused Unsigned 8-bit integer
ip.dsfield.dscp Differentiated Services Codepoint Unsigned 8-bit integer
ip.dst Destination IPv4 address
ip.flags Flags Unsigned 8-bit integer
ip.flags.df Don't fragment Boolean
ip.flags.mf More fragments Boolean
ip.frag_offset Fragment offset Unsigned 16-bit integer
ip.hdr_len Header Length Unsigned 8-bit integer
ip.id Identification Unsigned 16-bit integer
ip.len Total Length Unsigned 16-bit integer
ip.proto Protocol Unsigned 8-bit integer
ip.src Source IPv4 address
ip.tos Type of Service Unsigned 8-bit integer
ip.tos.cost Cost Boolean
ip.tos.delay Delay Boolean
ip.tos.precedence Precedence Unsigned 8-bit integer
ip.tos.reliability Reliability Boolean
ip.tos.throughput Throughput Boolean
ip.ttl Time to live Unsigned 8-bit integer
ip.version Version Unsigned 8-bit integer
ipv6.class Traffic class Unsigned 8-bit integer
ipv6.dst Destination IPv6 address
ipv6.flow Flowlabel Unsigned 32-bit integer
ipv6.hlim Hop limit Unsigned 8-bit integer
ipv6.nxt Next header Unsigned 8-bit integer
ipv6.plen Payload length Unsigned 16-bit integer
ipv6.src Source IPv6 address
ipv6.version Version Unsigned 8-bit integer
irc.command Command String
irc.request Request Boolean
irc.response Response Boolean
ipx.checksum Checksum Unsigned 16-bit integer
ipx.dst.net Destination Network IPX network or server name
ipx.dst.node Destination Node 6-byte Hardware (MAC) Address
ipx.dst.socket Destination Socket Unsigned 16-bit integer
ipx.hops Transport Control (Hops) Unsigned 8-bit integer
ipx.len Length Unsigned 16-bit integer
ipx.packet_type Packet Type Unsigned 8-bit integer
ipx.src.net Source Network IPX network or server name
ipx.src.node Source Node 6-byte Hardware (MAC) Address
ipx.src.socket Source Socket Unsigned 16-bit integer
l2tp.Nr Nr Unsigned 16-bit integer
l2tp.Ns Ns Unsigned 16-bit integer
l2tp.length Length Unsigned 16-bit integer
l2tp.offset Offset Unsigned 16-bit integer
l2tp.session Session ID Unsigned 16-bit integer
l2tp.tunnel Tunnel ID Unsigned 16-bit integer
lt2p.code code Unsigned 16-bit integer
lt2p.length_bit Length Bit Boolean
lt2p.offset_bit Offset bit Boolean
lt2p.priority Priority Boolean
lt2p.seq_bit Sequence Bit Boolean
lt2p.type Type Unsigned 16-bit integer
lt2p.version Version Unsigned 16-bit integer
ldap.abandon.msgid Abandon Msg Id Unsigned 32-bit integer
ldap.attribute Attribute String
ldap.bind.auth_type Auth Type Unsigned 8-bit integer
ldap.bind.dn DN String
ldap.bind.password Password String
ldap.bind.version Version Unsigned 32-bit integer
ldap.compare.test Test String
ldap.dn Distinguished Name String
ldap.length Length Unsigned 32-bit integer
ldap.message_id Message Id Unsigned 32-bit integer
ldap.message_length Message Length Unsigned 32-bit integer
ldap.message_type Message Type Unsigned 8-bit integer
ldap.modify.add Add String
ldap.modify.delete Delete String
ldap.modify.replace Replace String
ldap.modrdn.delete Delete Values Boolean
ldap.modrdn.name New Name String
ldap.modrdn.superior New Location String
ldap.result.code Result Code Unsigned 8-bit integer
ldap.result.errormsg Error Message String
ldap.result.matcheddn Matched DN String
ldap.result.referral Referral String
ldap.search.basedn Base DN String
ldap.search.dereference Dereference Unsigned 8-bit integer
ldap.search.filter Filter String
ldap.search.scope Scope Unsigned 8-bit integer
ldap.search.sizelimit Size Limit Unsigned 32-bit integer
ldap.search.timelimit Time Limit Unsigned 32-bit integer
ldap.search.typesonly Attributes Only Boolean
ldap.value Value String
lpd.request Request Boolean
lpd.response Response Boolean
lapb.address Address Field Unsigned 8-bit integer
lapb.control Control Field Unsigned 8-bit integer
lapd.address Address Field Unsigned 16-bit integer
lapd.control Control Field Unsigned 16-bit integer
lapd.cr C/R Unsigned 16-bit integer
lapd.ea1 EA1 Unsigned 16-bit integer
lapd.ea2 EA2 Unsigned 16-bit integer
lapd.sapi SAPI Unsigned 16-bit integer
lapd.tei TEI Unsigned 16-bit integer
llc.control Control Unsigned 16-bit integer
llc.dsap DSAP Unsigned 8-bit integer
llc.dsap.ig IG Bit Boolean
llc.oui Organization Code Unsigned 24-bit integer
llc.pid Protocol ID Unsigned 16-bit integer
llc.ssap SSAP Unsigned 8-bit integer
llc.ssap.cr CR Bit Boolean
llc.type Type Unsigned 16-bit integer
ascend.chunk WDD Chunk Unsigned 32-bit integer
ascend.number Called number String
ascend.sess Session ID Unsigned 32-bit integer
ascend.task Task Unsigned 32-bit integer
ascend.type Link type Unsigned 32-bit integer
ascend.user User name String
mapi.request Request Boolean
mapi.response Response Boolean
msproxy.bindaddr Destination IPv4 address
msproxy.bindid Bound Port Id Unsigned 32-bit integer
msproxy.bindport Bind Port Unsigned 16-bit integer
msproxy.boundport Bound Port Unsigned 16-bit integer
msproxy.clntport Client Port Unsigned 16-bit integer
msproxy.command Command Unsigned 16-bit integer
msproxy.dstaddr Destination Address IPv4 address
msproxy.dstport Destination Port Unsigned 16-bit integer
msproxy.resolvaddr Address IPv4 address
msproxy.server_ext_addr Server External Address IPv4 address
msproxy.server_ext_port Server External Port Unsigned 16-bit integer
msproxy.server_int_addr Server Internal Address IPv4 address
msproxy.server_int_port Server Internal Port Unsigned 16-bit integer
msproxy.serveraddr Server Address IPv4 address
msproxy.serverport Server Port Unsigned 16-bit integer
msproxy.srcport Source Port Unsigned 16-bit integer
mip.b Broadcast Datagrams Boolean
mip.coa Care of Address IPv4 address
mip.code Reply Code Unsigned 8-bit integer
mip.d Co-lcated Care-of Address Boolean
mip.g GRE Boolean
mip.haaddr Home Agent IPv4 address
mip.homeaddr Home Address IPv4 address
mip.ident Identification Byte array
mip.life Lifetime Signed 16-bit integer
mip.m Minimal Encapsulation Boolean
mip.s Simultaneous Bindings Boolean
mip.type Message Type Signed 8-bit integer
mip.v Van Jacobson Boolean
mount.dump.directory Directory String
mount.dump.entry Mount List Entry No value
mount.dump.hostname Hostname String
mount.export.directory Directory String
mount.export.entry Export List Entry No value
mount.export.group Group String
mount.export.groups Groups No value
mount.flavor Flavor Unsigned 32-bit integer
mount.flavors Flavors Unsigned 32-bit integer
mount.path Path String
mount.pathconf.link_max Maximum number of links to a file Unsigned 32-bit integer
mount.pathconf.mask Reply error/status bits Unsigned 16-bit integer
mount.pathconf.mask.chown_restricted CHOWN_RESTRICTED Boolean
mount.pathconf.mask.error_all ERROR_ALL Boolean
mount.pathconf.mask.error_link_max ERROR_LINK_MAX Boolean
mount.pathconf.mask.error_max_canon ERROR_MAX_CANON Boolean
mount.pathconf.mask.error_max_input ERROR_MAX_INPUT Boolean
mount.pathconf.mask.error_name_max ERROR_NAME_MAX Boolean
mount.pathconf.mask.error_path_max ERROR_PATH_MAX Boolean
mount.pathconf.mask.error_pipe_buf ERROR_PIPE_BUF Boolean
mount.pathconf.mask.error_vdisable ERROR_VDISABLE Boolean
mount.pathconf.mask.no_trunc NO_TRUNC Boolean
mount.pathconf.max_canon Maximum terminal input line length Unsigned 16-bit integer
mount.pathconf.max_input Terminal input buffer size Unsigned 16-bit integer
mount.pathconf.name_max Maximum file name length Unsigned 16-bit integer
mount.pathconf.path_max Maximum path name length Unsigned 16-bit integer
mount.pathconf.pipe_buf Pipe buffer size Unsigned 16-bit integer
mount.pathconf.vdisable_char VDISABLE character Unsigned 8-bit integer
mount.status Status Unsigned 32-bit integer
mpls.bottom MPLS Bottom Of Label Stack Unsigned 8-bit integer
mpls.exp MPLS Experimental Bits Unsigned 8-bit integer
mpls.label MPLS Label Unsigned 32-bit integer
mpls.ttl MPLS TTL Unsigned 8-bit integer
nbp.count Count Unsigned 8-bit integer
nbp.enum Enumerator Unsigned 8-bit integer
nbp.info Info Unsigned 8-bit integer
nbp.net Network Unsigned 16-bit integer
nbp.node Node Unsigned 8-bit integer
nbp.object Object String
nbp.op Operation Unsigned 8-bit integer
nbp.port Port Unsigned 8-bit integer
nbp.tid Transaction ID Unsigned 8-bit integer
nbp.type Type String
nbp.zone Zone String
nbdgm.dgram_id Datagram ID Unsigned 16-bit integer
nbdgm.first First fragment Boolean
nbdgm.next Fragmented Boolean
nbdgm.node_type Node Type Unsigned 8-bit integer
nbdgm.src.ip Source IP IPv4 address
nbdgm.src.port Source Port Unsigned 16-bit integer
nbdgm.type Message Type Unsigned 8-bit integer
nbns.count.add_rr Additional RRs Unsigned 16-bit integer
nbns.count.answers Answer RRs Unsigned 16-bit integer
nbns.count.auth_rr Authority RRs Unsigned 16-bit integer
nbns.count.queries Questions Unsigned 16-bit integer
nbns.id Transaction ID Unsigned 16-bit integer
nbns.query Query Boolean
nbns.response Response Boolean
nbss.flags Flags Unsigned 8-bit integer
nbss.type Message Type Unsigned 8-bit integer
ncp.connection Connection Number Unsigned 16-bit integer
ncp.ip.signature NCP over IP signature Unsigned 32-bit integer
ncp.ip.version Version Unsigned 32-bit integer
ncp.seq Sequence Number Unsigned 8-bit integer
ncp.task Task Number Unsigned 8-bit integer
ncp.type Type Unsigned 16-bit integer
nfs.createmode Create Mode Unsigned 32-bit integer
nfs.data Data String
nfs.fsinfo.dtpref dtpref Unsigned 32-bit integer
nfs.fsinfo.propeties Properties Unsigned 32-bit integer
nfs.fsinfo.rtmax rtmax Unsigned 32-bit integer
nfs.fsinfo.rtmult rtmult Unsigned 32-bit integer
nfs.fsinfo.rtpref rtpref Unsigned 32-bit integer
nfs.fsinfo.wtmax wtmax Unsigned 32-bit integer
nfs.fsinfo.wtmult wtmult Unsigned 32-bit integer
nfs.fsinfo.wtpref wtpref Unsigned 32-bit integer
nfs.fsstat.invarsec invarsec Unsigned 32-bit integer
nfs.name Name String
nfs.pathconf.case_insensitive case_insensitive Boolean
nfs.pathconf.case_preserving case_preserving Boolean
nfs.pathconf.chown_restricted chown_restricted Boolean
nfs.pathconf.linkmax linkmax Unsigned 32-bit integer
nfs.pathconf.name_max name_max Unsigned 32-bit integer
nfs.pathconf.no_trunc no_trunc Boolean
nfs.read.count Count Unsigned 32-bit integer
nfs.read.eof EOF Boolean
nfs.read.offset Offset Unsigned 32-bit integer
nfs.read.totalcount Total Count Unsigned 32-bit integer
nfs.readdir.cookie Cookie Unsigned 32-bit integer
nfs.readdir.count Count Unsigned 32-bit integer
nfs.readdir.entry Entry No value
nfs.readdir.entry.cookie Cookie Unsigned 32-bit integer
nfs.readdir.entry.fileid File ID Unsigned 32-bit integer
nfs.readdir.entry.name Name String
nfs.readdir.eof EOF Unsigned 32-bit integer
nfs.readdir.value_follows Value Follows Boolean
nfs.readdirplus.entry.name Name String
nfs.readlink.data Data String
nfs.statfs.bavail Available Blocks Unsigned 32-bit integer
nfs.statfs.bfree Free Blocks Unsigned 32-bit integer
nfs.statfs.blocks Total Blocks Unsigned 32-bit integer
nfs.statfs.bsize Block Size Unsigned 32-bit integer
nfs.statfs.tsize Transfer Size Unsigned 32-bit integer
nfs.status Status Unsigned 32-bit integer
nfs.status2 Status Unsigned 32-bit integer
nfs.symlink.to To String
nfs.type Type Unsigned 32-bit integer
nfs.write.beginoffset Begin Offset Unsigned 32-bit integer
nfs.write.committed Committed Unsigned 32-bit integer
nfs.write.offset Offset Unsigned 32-bit integer
nfs.write.stable Stable Unsigned 32-bit integer
nfs.write.totalcount Total Count Unsigned 32-bit integer
nntp.request Request Boolean
nntp.response Response Boolean
ntp.flags Flags Byte array
ntp.flags.li Leap Indicator Unsigned 8-bit integer
ntp.flags.mode Leap Indicator Unsigned 8-bit integer
ntp.flags.vn Version number Unsigned 8-bit integer
ntp.keyid Key ID Byte array
ntp.mac Message Authentication Code Byte array
ntp.org Originate Time Stamp Byte array
ntp.ppoll Peer Polling Interval Byte array
ntp.precision Peer Clock Precision Byte array
ntp.rec Receive Time Stamp Byte array
ntp.refid Reference Clock ID Byte array
ntp.reftime Reference Clock Update Time Byte array
ntp.rootdelay Root Delay Byte array
ntp.rootdispersion Clock Dispersion Byte array
ntp.stratum Peer Clock Stratum Byte array
ntp.xmt Transmit Time Stamp Byte array
null.family Family Unsigned 32-bit integer
null.type Type Unsigned 16-bit integer
mp.first First fragment Boolean
mp.last Last fragment Boolean
mp.seq Sequence number Unsigned 24-bit integer
portmap.answer Answer Boolean
portmap.port Port Unsigned 32-bit integer
portmap.proc Procedure Unsigned 32-bit integer
portmap.prog Program Unsigned 32-bit integer
portmap.proto Protocol Unsigned 32-bit integer
portmap.rpcb RPCB No value
portmap.rpcb.addr Universal Address String
portmap.rpcb.netid Network Id String
portmap.rpcb.owner Owner of this Service String
portmap.rpcb.prog Program Unsigned 32-bit integer
portmap.rpcb.version Version Unsigned 32-bit integer
portmap.uaddr Universal Address String
portmap.value_follows Value Follows Boolean
portmap.version Version Unsigned 32-bit integer
pop.request Request Boolean
pop.response Response Boolean
pim.cksum Checksum Unsigned 16-bit integer
pim.type Type Unsigned 8-bit integer
pim.version Version Unsigned 8-bit integer
q2931.call_ref Call reference value Byte array
q2931.call_ref_len Call reference value length Unsigned 8-bit integer
q2931.disc Protocol discriminator Unsigned 8-bit integer
q2931.message_action_indicator Action indicator Unsigned 8-bit integer
q2931.message_flag Flag Boolean
q2931.message_len Message length Unsigned 16-bit integer
q2931.message_type Message type Unsigned 8-bit integer
q2931.message_type_ext Message type extension Unsigned 8-bit integer
q931.call_ref Call reference value Byte array
q931.call_ref_len Call reference value length Unsigned 8-bit integer
q931.disc Protocol discriminator Unsigned 8-bit integer
q931.message_type Message type Unsigned 8-bit integer
ripng.cmd Command Unsigned 8-bit integer
ripng.version Version Unsigned 8-bit integer
rx.callnumber Call Number Unsigned 32-bit integer
rx.cid CID Unsigned 32-bit integer
rx.epoch Epoch Unsigned 32-bit integer
rx.flags Flags Unsigned 8-bit integer
rx.flags.client_init Client Initiated Unsigned 8-bit integer
rx.flags.free_packet Free Packet Unsigned 8-bit integer
rx.flags.last_packet Last Packet Unsigned 8-bit integer
rx.flags.more_packets More Packets Unsigned 8-bit integer
rx.flags.request_ack Request Ack Unsigned 8-bit integer
rx.securityindex Security Index Unsigned 32-bit integer
rx.seq Sequence Number Unsigned 32-bit integer
rx.serial Serial Unsigned 32-bit integer
rx.serviceid Service ID Unsigned 16-bit integer
rx.spare Spare/Checksum Unsigned 16-bit integer
rx.type Type Unsigned 8-bit integer
rx.userstatus User Status Unsigned 32-bit integer
radius.code Code Unsigned 8-bit integer
radius.id Identifier Unsigned 8-bit integer
radius.length Length Unsigned 16-bit integer
rtsp.method Method String
rtsp.status Status Unsigned 32-bit integer
rtsp.url URL String
rpc.auth.flavor Flavor Unsigned 32-bit integer
rpc.auth.gid GID Unsigned 32-bit integer
rpc.auth.length Length Unsigned 32-bit integer
rpc.auth.machinename Machine Name String
rpc.auth.stamp Stamp Unsigned 32-bit integer
rpc.auth.uid UID Unsigned 32-bit integer
rpc.call.dup Duplicate Call Unsigned 32-bit integer
rpc.dup Duplicate Transaction Unsigned 32-bit integer
rpc.fraglen Fragment Length Unsigned 32-bit integer
rpc.lastfrag Last Fragment Boolean
rpc.msgtyp Message Type Unsigned 32-bit integer
rpc.procedure Procedure Unsigned 32-bit integer
rpc.program Program Unsigned 32-bit integer
rpc.programversion Program Version Unsigned 32-bit integer
rpc.programversion.max Program Version (Maximum) Unsigned 32-bit integer
rpc.programversion.min Program Version (Minimum) Unsigned 32-bit integer
rpc.reply.dup Duplicate Reply Unsigned 32-bit integer
rpc.replystat Reply State Unsigned 32-bit integer
rpc.state_accept Accept State Unsigned 32-bit integer
rpc.state_auth Auth State Unsigned 32-bit integer
rpc.state_reject Reject State Unsigned 32-bit integer
rpc.value_follows Value Follows Boolean
rpc.version RPC Version Unsigned 32-bit integer
rpc.version.max RPC Version (Maximum) Unsigned 32-bit integer
rpc.version.min RPC Version (Minimum) Unsigned 32-bit integer
rpc.xid XID Unsigned 32-bit integer
rsvp.adspec ADSPEC Unsigned 8-bit integer
rsvp.confirm CONFIRM Unsigned 8-bit integer
rsvp.error ERROR Unsigned 8-bit integer
rsvp.explicit_route EXPLICIT ROUTE Unsigned 8-bit integer
rsvp.filter FILTERSPEC Unsigned 8-bit integer
rsvp.flowspec FLOWSPEC Unsigned 8-bit integer
rsvp.hop HOP Unsigned 8-bit integer
rsvp.integrity INTEGRITY Unsigned 8-bit integer
rsvp.label LABEL Unsigned 8-bit integer
rsvp.label_request LABEL REQUEST Unsigned 8-bit integer
rsvp.msg Message Type Unsigned 8-bit integer
rsvp.obj_unknown Unknown object Unsigned 8-bit integer
rsvp.path Path Message Boolean
rsvp.perr Path Error Message Boolean
rsvp.policy POLICY Unsigned 8-bit integer
rsvp.ptear Path Tear Message Boolean
rsvp.record_route RECORD ROUTE Unsigned 8-bit integer
rsvp.rerr Resv Error Message Boolean
rsvp.resv Resv Message Boolean
rsvp.resvconf Resv Confirm Message Boolean
rsvp.rtear Resv Tear Message Boolean
rsvp.rtearconf Resv Tear Confirm Message Boolean
rsvp.scope SCOPE Unsigned 8-bit integer
rsvp.sender SENDER TEMPLATE Unsigned 8-bit integer
rsvp.sender.ip Sender IPv4 address IPv4 address
rsvp.sender.lsp_id Sender LSP ID Unsigned 16-bit integer
rsvp.sender.port Sender port number Unsigned 16-bit integer
rsvp.session SESSION Unsigned 8-bit integer
rsvp.session.ext_tunnel_id Extended tunnel ID Unsigned 32-bit integer
rsvp.session.ip Destination address IPv4 address
rsvp.session.port Port number Unsigned 16-bit integer
rsvp.session.proto Protocol Unsigned 8-bit integer
rsvp.session.tunnel_id Tunnel ID Unsigned 16-bit integer
rsvp.session_attribute SESSION ATTRIBUTE Unsigned 8-bit integer
rsvp.style STYLE Unsigned 8-bit integer
rsvp.time TIME VALUES Unsigned 8-bit integer
rsvp.tspec SENDER TSPEC Unsigned 8-bit integer
rlogin.user_info User Info No value
rlogin.window_size Window Info No value
rlogin.window_size.cols Columns Unsigned 16-bit integer
rlogin.window_size.rows Rows Unsigned 16-bit integer
rlogin.window_size.x_pixels X Pixels Unsigned 16-bit integer
rlogin.window_size.y_pixels Y Pixels Unsigned 16-bit integer
nbp.nodeid Node Unsigned 8-bit integer
nbp.nodeid.length Node Length Unsigned 8-bit integer
rtmp.net Net Unsigned 16-bit integer
rtmp.tuple.dist Distance Unsigned 16-bit integer
rtmp.tuple.net Net Unsigned 16-bit integer
spx.ack Acknowledgment Number Unsigned 16-bit integer
spx.alloc Allocation Number Unsigned 16-bit integer
spx.ctl Connection Control Unsigned 8-bit integer
spx.dst Destination Connection ID Unsigned 16-bit integer
spx.seq Sequence Number Unsigned 16-bit integer
spx.src Source Connection ID Unsigned 16-bit integer
spx.type Datastream type Unsigned 8-bit integer
ipxsap.request Request Boolean
ipxsap.response Response Boolean
srvloc.err Error Code Unsigned 8-bit integer
srvloc.flags Flags Unsigned 8-bit integer
srvloc.function Function Unsigned 8-bit integer
srvloc.version Version Unsigned 8-bit integer
sap.auth Authentication data No value
sap.auth.flags Authentication data flags Unsigned 8-bit integer
sap.auth.flags.p Padding Bit Boolean
sap.auth.flags.t Authentication Type Unsigned 8-bit integer
sap.auth.flags.v Version Number Unsigned 8-bit integer
sap.flags Flags Unsigned 8-bit integer
sap.flags.a Address Type Boolean
sap.flags.c Compression Bit Boolean
sap.flags.e Encryption Bit Boolean
sap.flags.r Reserved Boolean
sap.flags.t Message Type Boolean
sap.flags.v Version Number Unsigned 8-bit integer
snmpv3.flags SNMPv3 Flags Unsigned 8-bit integer
snmpv3.flags.auth Authenticated Boolean
snmpv3.flags.crypt Encrypted Boolean
snmpv3.flags.report Reportable Boolean
h1.dbnr Memory block number Unsigned 8-bit integer
h1.dlen Length in words Signed 16-bit integer
h1.dwnr Address within memory block Unsigned 16-bit integer
h1.empty Empty field Unsigned 8-bit integer
h1.empty_len Empty field length Unsigned 8-bit integer
h1.header H1-Header Unsigned 16-bit integer
h1.len Length indicator Unsigned 16-bit integer
h1.opcode Opcode Unsigned 8-bit integer
h1.opfield Operation identifier Unsigned 8-bit integer
h1.oplen Operation length Unsigned 8-bit integer
h1.org Memory type Unsigned 8-bit integer
h1.reqlen Request length Unsigned 8-bit integer
h1.request Request identifier Unsigned 8-bit integer
h1.reslen Response length Unsigned 8-bit integer
h1.response Response identifier Unsigned 8-bit integer
h1.resvalue Response value Unsigned 8-bit integer
socks.command Command Unsigned 16-bit integer
socks.dst Remote Address IPv4 address
socks.dstV6 Remote Address IPv6 address
socks.dstport Remote Port Unsigned 16-bit integer
socks.username User Name String
socks.ver Version Unsigned 8-bit integer
stp.bridge.hw Bridge Identifier 6-byte Hardware (MAC) Address
stp.flags BPDU flags Unsigned 8-bit integer
stp.forward Forward Delay Double-precision floating point
stp.hello Hello Time Double-precision floating point
stp.max_age Max Age Double-precision floating point
stp.msg_age Message Age Double-precision floating point
stp.port Port identifier Unsigned 16-bit integer
stp.protocol Protocol Identifier Unsigned 16-bit integer
stp.root.cost Root Path Cost Unsigned 32-bit integer
stp.root.hw Root Identifier 6-byte Hardware (MAC) Address
stp.type BPDU type Unsigned 8-bit integer
stp.version Protocol Version Identifier Unsigned 8-bit integer
sna.rh Request/Response Header No value
sna.rh.0 Request/Response Header Byte 0 Unsigned 8-bit integer
sna.rh.1 Request/Response Header Byte 1 Unsigned 8-bit integer
sna.rh.2 Request/Response Header Byte 2 Unsigned 8-bit integer
sna.rh.bbi Begin Bracket Indicator Boolean
sna.rh.bci Begin Chain Indicator Boolean
sna.rh.cdi Change Direction Indicator Boolean
sna.rh.cebi Conditional End Bracket Indicator Boolean
sna.rh.csi Code Selection Indicator Boolean
sna.rh.dr1 Definite Response 1 Indicator Boolean
sna.rh.dr2 Definite Response 2 Indicator Boolean
sna.rh.ebi End Bracket Indicator Boolean
sna.rh.eci End Chain Indicator Boolean
sna.rh.edi Enciphered Data Indicator Boolean
sna.rh.eri Exception Response Indicator Boolean
sna.rh.fi Format Indicator Boolean
sna.rh.lcci Length-Checked Compression Indicator Boolean
sna.rh.pdi Padded Data Indicator Boolean
sna.rh.pi Pacing Indicator Boolean
sna.rh.qri Queued Response Indicator Boolean
sna.rh.rlwi Request Larger Window Indicator Boolean
sna.rh.rri Request/Response Indicator Unsigned 8-bit integer
sna.rh.rti Response Type Indicator Boolean
sna.rh.ru_category Request/Response Unit Category Unsigned 8-bit integer
sna.rh.sdi Sense Data Included Boolean
sna.ru Request/Response Unit No value
sna.th Transmission Header No value
sna.th.0 Transmission Header Byte 0 Unsigned 8-bit integer
sna.th.cmd_fmt Command Format Unsigned 8-bit integer
sna.th.cmd_sn Command Sequence Number Unsigned 16-bit integer
sna.th.cmd_type Command Type Unsigned 8-bit integer
sna.th.daf Destination Address Field Unsigned 16-bit integer
sna.th.dcf Data Count Field Unsigned 16-bit integer
sna.th.def Destination Element Field Unsigned 16-bit integer
sna.th.dsaf Destination Subarea Address Field Unsigned 32-bit integer
sna.th.efi Expedited Flow Indicator Unsigned 8-bit integer
sna.th.er_vr_supp_ind ER and VR Support Indicator Unsigned 8-bit integer
sna.th.ern Explicit Route Number Unsigned 8-bit integer
sna.th.fid Format Identifer Unsigned 8-bit integer
sna.th.iern Initial Explicit Route Number Unsigned 8-bit integer
sna.th.lsid Local Session Identification Unsigned 8-bit integer
sna.th.mft MPR FID4 Type Boolean
sna.th.mpf Mapping Field Unsigned 8-bit integer
sna.th.nlp_cp NLP Count or Padding Unsigned 8-bit integer
sna.th.nlpoi NLP Offset Indicator Unsigned 8-bit integer
sna.th.ntwk_prty Network Priority Unsigned 8-bit integer
sna.th.oaf Origin Address Field Unsigned 16-bit integer
sna.th.odai ODAI Assignment Indicator Unsigned 8-bit integer
sna.th.oef Origin Element Field Unsigned 16-bit integer
sna.th.osaf Origin Subarea Address Field Unsigned 32-bit integer
sna.th.piubf PIU Blocking Field Unsigned 8-bit integer
sna.th.sa Session Address Byte array
sna.th.snai SNA Indicator Boolean
sna.th.snf Sequence Number Field Unsigned 16-bit integer
sna.th.tg_nonfifo_ind Transmission Group Non-FIFO Indicator Boolean
sna.th.tg_snf Transmission Group Sequence Number Field Unsigned 16-bit integer
sna.th.tg_sweep Transmission Group Sweep Unsigned 8-bit integer
sna.th.tgsf Transmission Group Segmenting Field Unsigned 8-bit integer
sna.th.tpf Transmission Priority Field Unsigned 8-bit integer
sna.th.vr_cwi Virtual Route Change Window Indicator Unsigned 16-bit integer
sna.th.vr_cwri Virtual Route Change Window Reply Indicator Unsigned 16-bit integer
sna.th.vr_pac_cnt_ind Virtual Route Pacing Count Indicator Unsigned 8-bit integer
sna.th.vr_rwi Virtual Route Reset Window Indicator Boolean
sna.th.vr_snf_send Virtual Route Send Sequence Number Field Unsigned 16-bit integer
sna.th.vr_sqti Virtual Route Sequence and Type Indicator Unsigned 16-bit integer
sna.th.vrn Virtual Route Number Unsigned 8-bit integer
sna.th.vrprq Virtual Route Pacing Request Boolean
sna.th.vrprs Virtual Route Pacing Response Boolean
tacacs.request Request Boolean
tacacs.response Response Boolean
tacacs.version Tacacs Version String
time.time Time Unsigned 32-bit integer
tr.ac Access Control Unsigned 8-bit integer
tr.addr Source or Destination Address 6-byte Hardware (MAC) Address
tr.broadcast Broadcast Type Unsigned 8-bit integer
tr.direction Direction Unsigned 8-bit integer
tr.dst Destination 6-byte Hardware (MAC) Address
tr.fc Frame Control Unsigned 8-bit integer
tr.frame Frame Boolean
tr.frame_pcf Frame PCF Unsigned 8-bit integer
tr.frame_type Frame Type Unsigned 8-bit integer
tr.max_frame_size Maximum Frame Size Unsigned 8-bit integer
tr.monitor_cnt Monitor Count Unsigned 8-bit integer
tr.priority Priority Unsigned 8-bit integer
tr.priority_reservation Priority Reservation Unsigned 8-bit integer
tr.rif Ring-Bridge Pairs String
tr.rif.bridge RIF Bridge Unsigned 8-bit integer
tr.rif.ring RIF Ring Unsigned 16-bit integer
tr.rif_bytes RIF Bytes Unsigned 8-bit integer
tr.sr Source Routed Boolean
tr.src Source 6-byte Hardware (MAC) Address
trmac.dstclass Destination Class Unsigned 8-bit integer
trmac.errors.abort Abort Delimiter Transmitted Errors Unsigned 8-bit integer
trmac.errors.ac A/C Errors Unsigned 8-bit integer
trmac.errors.burst Burst Errors Unsigned 8-bit integer
trmac.errors.congestion Receiver Congestion Errors Unsigned 8-bit integer
trmac.errors.fc Frame-Copied Errors Unsigned 8-bit integer
trmac.errors.freq Frequency Errors Unsigned 8-bit integer
trmac.errors.internal Internal Errors Unsigned 8-bit integer
trmac.errors.iso Isolating Errors Unsigned 16-bit integer
trmac.errors.line Line Errors Unsigned 8-bit integer
trmac.errors.lost Lost Frame Errors Unsigned 8-bit integer
trmac.errors.noniso Non-Isolating Errors Unsigned 16-bit integer
trmac.errors.token Token Errors Unsigned 8-bit integer
trmac.length Total Length Unsigned 8-bit integer
trmac.mvec Major Vector Unsigned 8-bit integer
trmac.naun NAUN 6-byte Hardware (MAC) Address
trmac.srcclass Source Class Unsigned 8-bit integer
trmac.svec Sub-Vector Unsigned 8-bit integer
tcp.ack Acknowledgement number Unsigned 32-bit integer
tcp.checksum Checksum Unsigned 16-bit integer
tcp.dstport Destination Port Unsigned 16-bit integer
tcp.flags Flags Unsigned 8-bit integer
tcp.flags.ack Acknowledgment Boolean
tcp.flags.fin Fin Boolean
tcp.flags.push Push Boolean
tcp.flags.reset Reset Boolean
tcp.flags.syn Syn Boolean
tcp.flags.urg Urgent Boolean
tcp.hdr_len Header Length Unsigned 8-bit integer
tcp.port Source or Destination Port Unsigned 16-bit integer
tcp.seq Sequence number Unsigned 32-bit integer
tcp.srcport Source Port Unsigned 16-bit integer
tcp.urgent_pointer Urgent pointer Unsigned 16-bit integer
tcp.window_size Window size Unsigned 16-bit integer
tns.compat_version Version (Compatible) Unsigned 16-bit integer
tns.connect Connect Boolean
tns.data_flag Data Flag Unsigned 16-bit integer
tns.header_checksum Header Checksum Unsigned 16-bit integer
tns.length Packet Length Unsigned 32-bit integer
tns.packet_checksum Packet Checksum Unsigned 16-bit integer
tns.request Request Boolean
tns.reserved_byte Reserved Byte Byte array
tns.response Response Boolean
tns.service_options Service Options Unsigned 16-bit integer
tns.sns Secure Network Services Boolean
tns.type Packet Type Unsigned 8-bit integer
tns.version Version Unsigned 16-bit integer
tftp.error.code Error code Unsigned 16-bit integer
tftp.type Type Unsigned 16-bit integer
udp.checksum Checksum Unsigned 16-bit integer
udp.dstport Destination Port Unsigned 16-bit integer
udp.length Length Unsigned 16-bit integer
udp.port Source or Destination Port Unsigned 16-bit integer
udp.srcport Source Port Unsigned 16-bit integer
vrrp.type VRRP packet type Unsigned 8-bit integer
vrrp.typever VRRP message version and type Unsigned 8-bit integer
vrrp.version VRRP protocol version Unsigned 8-bit integer
vtp.code Code Unsigned 8-bit integer
vtp.conf_rev_num Configuration Revision Number Unsigned 32-bit integer
vtp.followers Followers Unsigned 8-bit integer
vtp.md Management Domain String
vtp.md5_digest MD5 Digest Byte array
vtp.md_len Management Domain Length Unsigned 8-bit integer
vtp.seq_num Sequence Number Unsigned 8-bit integer
vtp.start_value Start Value Unsigned 16-bit integer
vtp.upd_id Updater Identity IPv4 address
vtp.upd_ts Update Timestamp String
vtp.version Version Unsigned 8-bit integer
vtp.vlan_info.802_10_index 802.10 Index Unsigned 32-bit integer
vtp.vlan_info.isl_vlan_id ISL VLAN ID Unsigned 16-bit integer
vtp.vlan_info.len VLAN Information Length Unsigned 8-bit integer
vtp.vlan_info.mtu_size MTU Size Unsigned 16-bit integer
vtp.vlan_info.status.vlan_susp VLAN suspended Boolean
vtp.vlan_info.tlv_len Length Unsigned 8-bit integer
vtp.vlan_info.tlv_type Type Unsigned 8-bit integer
vtp.vlan_info.vlan_name VLAN Name String
vtp.vlan_info.vlan_name_len VLAN Name Length Unsigned 8-bit integer
vtp.vlan_info.vlan_type VLAN Type Unsigned 8-bit integer
wccp.cache_ip Web Cache IP address IPv4 address
wccp.change_num Change Number Unsigned 32-bit integer
wccp.hash_revision Hash Revision Unsigned 32-bit integer
wccp.message WCCP Message Type Unsigned 32-bit integer
wccp.recvd_id Received ID Unsigned 32-bit integer
wccp.version WCCP Version Unsigned 32-bit integer
who.boottime Boot Time Date/Time stamp
who.hostname Hostname String
who.idle Time Idle Unsigned 32-bit integer
who.loadav_10 Load Average Over Past 10 Minutes Double-precision floating point
who.loadav_15 Load Average Over Past 15 Minutes Double-precision floating point
who.loadav_5 Load Average Over Past 5 Minutes Double-precision floating point
who.recvtime Receive Time Date/Time stamp
who.sendtime Send Time Date/Time stamp
who.timeon Time On Date/Time stamp
who.tty TTY Name String
who.type Type Unsigned 8-bit integer
who.uid User ID String
who.vers Version Unsigned 8-bit integer
who.whoent Who utmp Entry No value
x25.d D Bit Boolean
x25.lcn Logical Channel Unsigned 16-bit integer
x25.m M Bit Boolean
x25.mod Modulo Unsigned 16-bit integer
x25.p_r P(R) Unsigned 8-bit integer
x25.p_s P(S) Unsigned 8-bit integer
x25.q Q Bit Boolean
x25.type Packet Type Unsigned 8-bit integer
yhoo.connection_id Connection ID Unsigned 32-bit integer
yhoo.content Content String
yhoo.len Packet Length Unsigned 32-bit integer
yhoo.magic_id Magic ID Unsigned 32-bit integer
yhoo.msgtype Message Type Unsigned 32-bit integer
yhoo.nick1 Real Nick (nick1) String
yhoo.nick2 Active Nick (nick2) String
yhoo.service Service Type Unsigned 32-bit integer
yhoo.unknown1 Unknown 1 Unsigned 32-bit integer
yhoo.version Version String
ypserv.domain Domain String
ypserv.key Key String
ypserv.map Map Name String
ypserv.servesdomain Serves Domain Boolean
ypserv.status Status Boolean
ypserv.value Value String
ff:ff:ff:ff:ff:ff Broadcast c0-00-ff-ff-ff-ff TR_broadcast 00.00.00.00.00.00 Zero_broadcast/usr/local/etc/manuf matches the 3-byte vendor portion of a 6-byte hardware address with the manufacturer's name. The format of the file is the same as the /etc/ethers file, except that each address is three bytes instead of six.
/etc/ipxnets and $HOME/.ethereal/ipxnets correlate 4-byte IPX network numbers to names. The format is the same as the /etc/ethers file, except that each address if four bytes instead of six. Additionally, the address can be represented a single hexadecimal number, as is more common in the IPX world, rather than four hex octets. For example, these four lines are valid lines of an ipxnets file.
C0.A8.2C.00 HR c0-a8-1c-00 CEO 00:00:BE:EF IT_Server1 110f FileServer3