- •Table of Contents
- •Foreword
- •Acknowledgments
- •Chapter 1. Introduction
- •About this manual
- •What is Ethereal?
- •The status of Ethereal
- •Development and maintenance of Ethereal
- •A rose by any other name
- •A brief history of Ethereal
- •Platforms Ethereal runs on
- •Where to get Ethereal
- •Reporting problems and getting help
- •Where to get the latest copy of this document
- •Providing feedback
- •Chapter 2. Building and Installing Ethereal
- •Introduction
- •Obtaining the source and binary distributions
- •Before you build Ethereal
- •Building from Source under UNIX
- •Installing the binaries under UNIX
- •Installing from RPMs under Linux
- •Installing from debs under Debian
- •Building from source under Windows
- •Installing Ethereal under Windows
- •Troubleshooting during the install
- •Chapter 3. Using Ethereal
- •Introduction
- •Starting Ethereal
- •The Ethereal menus
- •The Ethereal File menu
- •The Ethereal Edit menu
- •The Ethereal Capture menu
- •The Ethereal Display menu
- •The Ethereal Tools menu
- •The Ethereal Help menu
- •Capturing packets with Ethereal
- •The Capture Preferences dialog box
- •Filtering while capturing
- •Viewing packets you have captured
- •Display Options
- •Saving captured packets
- •The Save Capture File As dialog box
- •The File Open dialog box
- •Filtering packets while viewing
- •Comparing values
- •Combining expressions
- •Packet colorization
- •Finding frames
- •Following TCP streams
- •The Add Expression Dialog
- •Printing packets
- •Ethereal preferences
- •Files used by Ethereal
- •Chapter 4. Troubleshooting with Ethereal
- •An approach to troubleshooting with Ethereal
- •Capturing in the presence of switches and routers
- •Examples of troubleshooting
- •Chapter 5. Related tools
- •Capturing with tcpdump for viewing with Ethereal
- •Using editcap
- •Converting ASCII hexdumps to network captures with text2pcap
- •What is it?
- •Why do this?
- •TODO
- •Limitations
- •Notes
- •Appendix A. Ethereal Display Filter Fields
- •802.1q Virtual LAN (vlan)
- •802.1x Authentication (eapol)
- •AOL Instant Messenger (aim)
- •ATM LAN Emulation (lane)
- •Address Resolution Protocol (arp)
- •Aggregate Server Access Protocol (asap)
- •Andrew File System (AFS) (afs)
- •Apache JServ Protocol v1.3 (ajp13)
- •AppleTalk Filing Protocol (afp)
- •AppleTalk Session Protocol (asp)
- •AppleTalk Transaction Protocol packet (atp)
- •Appletalk Address Resolution Protocol (aarp)
- •Async data over ISDN (V.120) (v120)
- •Authentication Header (ah)
- •BACnet Virtual Link Control (bvlc)
- •Banyan Vines (vines)
- •Blocks Extensible Exchange Protocol (beep)
- •Boot Parameters (bootparams)
- •Bootstrap Protocol (bootp)
- •Border Gateway Protocol (bgp)
- •Building Automation and Control Network APDU (bacapp)
- •Building Automation and Control Network NPDU (bacnet)
- •Cisco Discovery Protocol (cdp)
- •Cisco Group Management Protocol (cgmp)
- •Cisco HDLC (chdlc)
- •Cisco Hot Standby Router Protocol (hsrp)
- •Cisco ISL (isl)
- •Cisco Interior Gateway Routing Protocol (igrp)
- •Cisco SLARP (slarp)
- •CoSine IPNOS L2 debug output (cosine)
- •Common Open Policy Service (cops)
- •Common Unix Printing System (CUPS) Browsing Protocol (cups)
- •DCE RPC (dcerpc)
- •DCE/RPC Conversation Manager (conv)
- •DCE/RPC Endpoint Mapper (epm)
- •DCE/RPC Remote Management (mgmt)
- •DCOM OXID Resolver (oxid)
- •DCOM Remote Activation (remact)
- •DHCPv6 (dhcpv6)
- •Data (data)
- •Data Link SWitching (dlsw)
- •Data Stream Interface (dsi)
- •Datagram Delivery Protocol (ddp)
- •Diameter Protocol (diameter)
- •Distance Vector Multicast Routing Protocol (dvmrp)
- •Distributed Checksum Clearinghouse Prototocl (dccp)
- •Domain Name Service (dns)
- •Dynamic DNS Tools Protocol (ddtp)
- •Encapsulating Security Payload (esp)
- •Enhanced Interior Gateway Routing Protocol (eigrp)
- •Ethernet (eth)
- •Extensible Authentication Protocol (eap)
- •Fiber Distributed Data Interface (fddi)
- •File Transfer Protocol (FTP) (ftp)
- •Frame (frame)
- •Frame Relay (fr)
- •GARP Multicast Registration Protocol (gmrp)
- •GARP VLAN Registration Protocol (gvrp)
- •GPRS Tunneling Protocol (gtp)
- •GPRS Tunnelling Protocol v0 (gtpv0)
- •GPRS Tunnelling Protocol v1 (gtpv1)
- •Generic Routing Encapsulation (gre)
- •Gnutella Protocol (gnutella)
- •Hummingbird NFS Daemon (hclnfsd)
- •Hypertext Transfer Protocol (http)
- •ICQ Protocol (icq)
- •IEEE 802.11 wireless LAN (wlan)
- •ILMI (ilmi)
- •IP Payload Compression (ipcomp)
- •IPX Message (ipxmsg)
- •IPX Routing Information Protocol (ipxrip)
- •ISDN User Part (isup)
- •ISO 8473 CLNP ConnectionLess Network Protocol (clnp)
- •ISO 8602 CLTP ConnectionLess Transport Protocol (cltp)
- •ISO 9542 ESIS Routeing Information Exchange Protocol (esis)
- •Internet Cache Protocol (icp)
- •Internet Content Adaptation Protocol (icap)
- •Internet Control Message Protocol (icmp)
- •Internet Control Message Protocol v6 (icmpv6)
- •Internet Group Management Protocol (igmp)
- •Internet Message Access Protocol (imap)
- •Internet Printing Protocol (ipp)
- •Internet Protocol (ip)
- •Internet Protocol Version 6 (ipv6)
- •Internet Relay Chat (irc)
- •Internet Security Association and Key Management Protocol (isakmp)
- •Internetwork Packet eXchange (ipx)
- •Java RMI (rmi)
- •Java Serialization (serialization)
- •Kerberos (kerberos)
- •Kernel Lock Manager (klm)
- •Label Distribution Protocol (ldp)
- •Layer 2 Tunneling Protocol (l2tp)
- •Lightweight Directory Access Protocol (ldap)
- •Line Printer Daemon Protocol (lpd)
- •Link Access Procedure Balanced (LAPB) (lapb)
- •Link Access Procedure Balanced Ethernet (LAPBETHER) (lapbether)
- •Link Access Procedure, Channel D (LAPD) (lapd)
- •Link Aggregation Control Protocol (lacp)
- •Link Management Protocol (LMP) (lmp)
- •Local Management Interface (lmi)
- •LocalTalk Link Access Protocol (llap)
- •Lucent/Ascend debug output (ascend)
- •MMS Message Encapsulation (mmse)
- •MS Proxy Protocol (msproxy)
- •MTP 2 Transparent Proxy (m2tp)
- •MTP 2 User Adaptation Layer (m2ua)
- •MTP 3 User Adaptation Layer (m3ua)
- •MTP2 Peer Adaptation Layer (m2pa)
- •Malformed Packet (malformed)
- •Message Transfer Part Level 2 (mtp2)
- •Message Transfer Part Level 3 (mtp3)
- •Microsoft Distributed File System (dfs)
- •Microsoft Exchange MAPI (mapi)
- •Microsoft Local Security Architecture (lsa)
- •Microsoft Registry (winreg)
- •Microsoft Security Account Manager (samr)
- •Microsoft Server Service (srvsvc)
- •Microsoft Spool Subsystem (spoolss)
- •Microsoft Telephony API Service (tapi)
- •Microsoft Windows Browser Protocol (browser)
- •Microsoft Windows Lanman Remote API Protocol (lanman)
- •Microsoft Windows Logon Protocol (netlogon)
- •Microsoft Workstation Service (wkssvc)
- •Mobile IP (mip)
- •Modbus/TCP (mbtcp)
- •Mount Service (mount)
- •MultiProtocol Label Switching Header (mpls)
- •Multicast Router DISCovery protocol (mrdisc)
- •Multicast Source Discovery Protocol (msdp)
- •NFSACL (nfsacl)
- •NFSAUTH (nfsauth)
- •NIS+ (nisplus)
- •NIS+ Callback (nispluscb)
- •NSPI (nspi)
- •NTLM Secure Service Provider (ntlmssp)
- •Name Binding Protocol (nbp)
- •Name Management Protocol over IPX (nmpi)
- •NetBIOS (netbios)
- •NetBIOS Datagram Service (nbdgm)
- •NetBIOS Name Service (nbns)
- •NetBIOS Session Service (nbss)
- •NetBIOS over IPX (nbipx)
- •NetWare Core Protocol (ncp)
- •Network Data Management Protocol (ndmp)
- •Network File System (nfs)
- •Network Lock Manager Protocol (nlm)
- •Network News Transfer Protocol (nntp)
- •Network Status Monitor CallBack Protocol (statnotify)
- •Network Status Monitor Protocol (stat)
- •Network Time Protocol (ntp)
- •Null/Loopback (null)
- •Open Shortest Path First (ospf)
- •PC NFS (pcnfsd)
- •PPP Bandwidth Allocation Control Protocol (bacp)
- •PPP Bandwidth Allocation Protocol (bap)
- •PPP Callback Control Protocol (cbcp)
- •PPP Challenge Handshake Authentication Protocol (chap)
- •PPP Compression Control Protocol (ccp)
- •PPP IP Control Protocol (ipcp)
- •PPP Link Control Protocol (lcp)
- •PPP Multilink Protocol (mp)
- •PPP Multiplexing (pppmux)
- •PPP Password Authentication Protocol (pap)
- •PPP VJ Compression (vj)
- •PPPMux Control Protocol (pppmuxcp)
- •Portmap (portmap)
- •Pragmatic General Multicast (pgm)
- •Prism (prism)
- •Protocol Independent Multicast (pim)
- •Quake II Network Protocol (quake2)
- •Quake III Arena Network Protocol (quake3)
- •Quake Network Protocol (quake)
- •QuakeWorld Network Protocol (quakeworld)
- •RFC 2250 MPEG1 (mpeg1)
- •RIPng (ripng)
- •RSTAT (rstat)
- •RX Protocol (rx)
- •Radio Access Network Application Part (ranap)
- •Radius Protocol (radius)
- •Raw packet data (raw)
- •Real Time Streaming Protocol (rtsp)
- •Remote Procedure Call (rpc)
- •Remote Quota (rquota)
- •Remote Shell (rsh)
- •Remote Wall protocol (rwall)
- •Resource ReserVation Protocol (RSVP) (rsvp)
- •Rlogin Protocol (rlogin)
- •Routing Information Protocol (rip)
- •Routing Table Maintenance Protocol (rtmp)
- •SADMIND (sadmind)
- •SCSI (scsi)
- •SMB (Server Message Block Protocol) (smb)
- •SMB MailSlot Protocol (mailslot)
- •SMB Pipe Protocol (pipe)
- •SNMP Multiplex Protocol (smux)
- •SPRAY (spray)
- •SSCOP (sscop)
- •Secure Socket Layer (ssl)
- •Sequenced Packet eXchange (spx)
- •Service Advertisement Protocol (ipxsap)
- •Service Location Protocol (srvloc)
- •Session Announcement Protocol (sap)
- •Session Description Protocol (sdp)
- •Session Initiation Protocol (sip)
- •Short Frame (short)
- •Short Message Peer to Peer (smpp)
- •Signalling Connection Control Part (sccp)
- •Simple Mail Transfer Protocol (smtp)
- •Simple Network Management Protocol (snmp)
- •Sinec H1 Protocol (h1)
- •Skinny Client Control Protocol (skinny)
- •SliMP3 Communication Protocol (slimp3)
- •Socks Protocol (socks)
- •Spanning Tree Protocol (stp)
- •Stream Control Transmission Protocol (sctp)
- •Syslog message (syslog)
- •Systems Network Architecture (sna)
- •TACACS (tacacs)
- •TACACS+ (tacplus)
- •TPKT (tpkt)
- •Telnet (telnet)
- •Time Protocol (time)
- •Time Synchronization Protocol (tsp)
- •Transmission Control Protocol (tcp)
- •Transparent Network Substrate Protocol (tns)
- •Trivial File Transfer Protocol (tftp)
- •Universal Computer Protocol (ucp)
- •Unreassembled Fragmented Packet (unreassembled)
- •User Datagram Protocol (udp)
- •Virtual Router Redundancy Protocol (vrrp)
- •Virtual Trunking Protocol (vtp)
- •Web Cache Coordination Protocol (wccp)
- •X Display Manager Control Protocol (xdmcp)
- •X.25 over TCP (xot)
- •Xyplex (xyplex)
- •Yahoo Messenger Protocol (yhoo)
- •Yellow Pages Bind (ypbind)
- •Yellow Pages Passwd (yppasswd)
- •Yellow Pages Service (ypserv)
- •Yellow Pages Transfer (ypxfr)
- •Zebra Protocol (zebra)
- •Zone Information Protocol (zip)
- •iSCSI (iscsi)
- •Appendix B. Ethereal Error Messages
- •Appendix C. The GNU Free Document Public Licence
- •Copyright
- •Preamble
- •Verbatim Copying
- •Copying in Quantity
- •Combining Documents
- •Collections of Documents
- •Aggregation with Independent Works
- •Translation
- •Termination
- •Future Revisions of this License
Appendix A. Ethereal Display Filter Fields
Field |
Field Name |
Type |
tcp.analysis.ack_rtt |
The RTT to ACK the |
Time duration |
|
segment was |
|
tcp.analysis.acks_frame |
This is an ACK to the |
Unsigned 32-bit integer |
|
segment in frame |
|
tcp.checksum |
Checksum |
Unsigned 16-bit integer |
tcp.checksum_bad |
Bad Checksum |
Boolean |
tcp.dstport |
Destination Port |
Unsigned 16-bit integer |
tcp.flags |
Flags |
Unsigned 8-bit integer |
tcp.flags.ack |
Acknowledgment |
Boolean |
tcp.flags.cwr |
Congestion Window |
Boolean |
|
Reduced (CWR) |
|
tcp.flags.ecn |
ECN-Echo |
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.len |
TCP Segment Len |
Unsigned 32-bit integer |
tcp.nxtseq |
Next sequence number |
Unsigned 32-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 |
Transparent Network Substrate Protocol (tns)
Table A-263. Transparent Network Substrate Protocol (tns)
Field |
Field Name |
Type |
tns.abort |
Abort |
Boolean |
tns.abort_data |
Abort Data |
String |
tns.abort_reason_system |
Abort Reason (User) |
Unsigned 8-bit integer |
tns.abort_reason_user |
Abort Reason (User) |
Unsigned 8-bit integer |
tns.accept |
Accept |
Boolean |
403
Appendix A. Ethereal Display Filter Fields
Field |
Field Name |
Type |
tns.accept_data |
Accept Data |
String |
tns.accept_data_length |
Accept Data Length |
Unsigned 16-bit integer |
tns.accept_data_offset |
Offset to Accept Data |
Unsigned 16-bit integer |
tns.compat_version |
Version (Compatible) |
Unsigned 16-bit integer |
tns.connect |
Connect |
Boolean |
tns.connect_data |
Connect Data |
String |
tns.connect_data_length |
Length of Connect Data |
Unsigned 16-bit integer |
tns.connect_data_max |
Maximum Receivable |
Unsigned 32-bit integer |
|
Connect Data |
|
tns.connect_data_offset |
Offset to Connect Data |
Unsigned 16-bit integer |
tns.connect_flags.enablena |
NA services enabled |
Unsigned 8-bit integer |
tns.connect_flags.ichg |
Interchange is involved |
Unsigned 8-bit integer |
tns.connect_flags.nalink |
NA services linked in |
Unsigned 8-bit integer |
tns.connect_flags.nareq |
NA services required |
Unsigned 8-bit integer |
tns.connect_flags.wantna |
NA services wanted |
Unsigned 8-bit integer |
tns.connect_flags0 |
Connect Flags 0 |
Unsigned 8-bit integer |
tns.connect_flags1 |
Connect Flags 1 |
Unsigned 8-bit integer |
tns.control |
Control |
Boolean |
tns.control.cmd |
Control Command |
Unsigned 16-bit integer |
tns.control.data |
Control Data |
Byte array |
tns.data |
Data |
Boolean |
tns.data_flag |
Data Flag |
Unsigned 16-bit integer |
tns.data_flag.c |
Confirmation |
Unsigned 16-bit integer |
tns.data_flag.dic |
Do Immediate |
Unsigned 16-bit integer |
|
Confirmation |
|
tns.data_flag.eof |
End of File |
Unsigned 16-bit integer |
tns.data_flag.more |
More Data to Come |
Unsigned 16-bit integer |
tns.data_flag.rc |
Request Confirmation |
Unsigned 16-bit integer |
tns.data_flag.reserved |
Reserved |
Unsigned 16-bit integer |
tns.data_flag.rts |
Request To Send |
Unsigned 16-bit integer |
tns.data_flag.send |
Send Token |
Unsigned 16-bit integer |
tns.data_flag.sntt |
Send NT Trailer |
Unsigned 16-bit integer |
tns.header_checksum |
Header Checksum |
Unsigned 16-bit integer |
tns.length |
Packet Length |
Unsigned 16-bit integer |
tns.line_turnaround |
Line Turnaround Value |
Unsigned 16-bit integer |
tns.marker |
Marker |
Boolean |
404
Appendix A. Ethereal Display Filter Fields
Field |
Field Name |
Type |
tns.marker.data |
Marker Data |
Unsigned 16-bit integer |
tns.marker.databyte |
Marker Data Byte |
Unsigned 8-bit integer |
tns.marker.type |
Marker Type |
Unsigned 8-bit integer |
tns.max_tdu_size |
Maximum Transmission |
Unsigned 16-bit integer |
|
Data Unit Size |
|
tns.nt_proto_characteristics |
NT Protocol |
Unsigned 16-bit integer |
|
Characteristics |
|
tns.ntp_flag.asio |
ASync IO Supported |
Unsigned 16-bit integer |
tns.ntp_flag.cbio |
Callback IO supported |
Unsigned 16-bit integer |
tns.ntp_flag.crel |
Confirmed release |
Unsigned 16-bit integer |
tns.ntp_flag.dfio |
Full duplex IO supported |
Unsigned 16-bit integer |
tns.ntp_flag.dtest |
Data test |
Unsigned 16-bit integer |
tns.ntp_flag.grant |
Can grant connection to |
Unsigned 16-bit integer |
|
another |
|
tns.ntp_flag.handoff |
Can handoff connection to |
Unsigned 16-bit integer |
|
another |
|
tns.ntp_flag.hangon |
Hangon to listener connect |
Unsigned 16-bit integer |
tns.ntp_flag.pio |
Packet oriented IO |
Unsigned 16-bit integer |
tns.ntp_flag.sigio |
Generate SIGIO signal |
Unsigned 16-bit integer |
tns.ntp_flag.sigpipe |
Generate SIGPIPE signal |
Unsigned 16-bit integer |
tns.ntp_flag.sigurg |
Generate SIGURG signal |
Unsigned 16-bit integer |
tns.ntp_flag.srun |
Spawner running |
Unsigned 16-bit integer |
tns.ntp_flag.tduio |
TDU based IO |
Unsigned 16-bit integer |
tns.ntp_flag.testop |
Test operation |
Unsigned 16-bit integer |
tns.ntp_flag.urgentio |
Urgent IO supported |
Unsigned 16-bit integer |
tns.packet_checksum |
Packet Checksum |
Unsigned 16-bit integer |
tns.redirect |
Redirect |
Boolean |
tns.redirect_data |
Redirect Data |
String |
tns.redirect_data_length |
Redirect Data Length |
Unsigned 16-bit integer |
tns.refuse |
Refuse |
Boolean |
tns.refuse_data |
Refuse Data |
String |
tns.refuse_data_length |
Refuse Data Length |
Unsigned 16-bit integer |
tns.refuse_reason_system |
Refuse Reason (System) |
Unsigned 8-bit integer |
tns.refuse_reason_user |
Refuse Reason (User) |
Unsigned 8-bit integer |
tns.request |
Request |
Boolean |
tns.reserved_byte |
Reserved Byte |
Byte array |
tns.response |
Response |
Boolean |
405
Appendix A. Ethereal Display Filter Fields
Field |
Field Name |
Type |
tns.sdu_size |
Session Data Unit Size |
Unsigned 16-bit integer |
tns.service_options |
Service Options |
Unsigned 16-bit integer |
tns.so_flag.ap |
Attention Processing |
Unsigned 16-bit integer |
tns.so_flag.bconn |
Broken Connect Notify |
Unsigned 16-bit integer |
tns.so_flag.dc1 |
Don’t Care |
Unsigned 16-bit integer |
tns.so_flag.dc2 |
Don’t Care |
Unsigned 16-bit integer |
tns.so_flag.dio |
Direct IO to Transport |
Unsigned 16-bit integer |
tns.so_flag.fd |
Full Duplex |
Unsigned 16-bit integer |
tns.so_flag.hc |
Header Checksum |
Unsigned 16-bit integer |
tns.so_flag.hd |
Half Duplex |
Unsigned 16-bit integer |
tns.so_flag.pc |
Packet Checksum |
Unsigned 16-bit integer |
tns.so_flag.ra |
Can Receive Attention |
Unsigned 16-bit integer |
tns.so_flag.sa |
Can Send Attention |
Unsigned 16-bit integer |
tns.trace_cf1 |
Trace Cross Facility Item 1 |
Unsigned 32-bit integer |
tns.trace_cf2 |
Trace Cross Facility Item 2 |
Unsigned 32-bit integer |
tns.trace_cid |
Trace Unique Connection |
|
|
ID |
|
tns.type |
Packet Type |
Unsigned 8-bit integer |
tns.value_of_one |
Value of 1 in Hardware |
Byte array |
tns.version |
Version |
Unsigned 16-bit integer |
Trivial File Transfer Protocol (tftp)
Table A-264. Trivial File Transfer Protocol (tftp)
Field |
Field Name |
Type |
tftp.block |
Block |
Unsigned 16-bit integer |
tftp.destination_file |
DESTINATION File |
String |
tftp.error.code |
Error code |
Unsigned 16-bit integer |
tftp.error.message |
Error message |
String |
tftp.opcode |
Opcode |
Unsigned 16-bit integer |
tftp.source_file |
Source File |
String |
tftp.type |
Type |
String |
406