forked from osmocom/wireshark
456 lines
12 KiB
Groff
456 lines
12 KiB
Groff
.rn '' }`
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''' $RCSfile: ethereal.1,v $$Revision: 1.3 $$Date: 1998/09/27 22:12:21 $
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'''
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''' $Log: ethereal.1,v $
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''' Revision 1.3 1998/09/27 22:12:21 gerald
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''' Merged in a _huge_ patch from Guy Harris. It adds a time stap column,
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''' generalizes the column printing code, adds a "frame" tree item to
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''' the tree view, and fixes a bunch of miscellaneous coding bugs.
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'''
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'''
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.de Sh
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.br
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.if t .Sp
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.ne 5
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.PP
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\fB\\$1\fR
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.PP
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..
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.de Sp
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.if t .sp .5v
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.if n .sp
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..
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.de Ip
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.br
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.ie \\n(.$>=3 .ne \\$3
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.el .ne 3
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.IP "\\$1" \\$2
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..
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.de Vb
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.ft CW
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.nf
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.ne \\$1
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..
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.de Ve
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.ft R
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.fi
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..
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'''
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'''
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''' Set up \*(-- to give an unbreakable dash;
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''' string Tr holds user defined translation string.
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''' Bell System Logo is used as a dummy character.
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'''
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.tr \(*W-|\(bv\*(Tr
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.ie n \{\
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.ds -- \(*W-
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.ds PI pi
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.if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
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.if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch
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.ds L" ""
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''' \*(M", \*(S", \*(N" and \*(T" are the equivalent of
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''' \*(L" and \*(R", except that they are used on ".xx" lines,
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''' such as .IP and .SH, which do another additional levels of
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'br\}
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.\" If the F register is turned on, we'll generate
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.\" index entries out stderr for the following things:
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.\" TH Title
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.\" SH Header
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.\" Sh Subsection
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.\" Ip Item
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.\" X<> Xref (embedded
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.\" Of course, you have to process the output yourself
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.\" in some meaninful fashion.
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.if \nF \{
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.de IX
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.tm Index:\\$1\t\\n%\t"\\$2"
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..
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.nr % 0
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.rr F
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.\}
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.TH ETHEREAL 1 "0.3.17" "27/Sep/98" "The Ethereal Network Analyzer"
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.UC
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.if n .hy 0
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.if n .na
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.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
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.de CQ \" put $1 in typewriter font
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.ft CW
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'if n "\c
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'if t \\&\\$1\c
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'if n \\&\\$1\c
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\\&\\$2 \\$3 \\$4 \\$5 \\$6 \\$7
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'.ft R
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..
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.\" @(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2
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. \" AM - accent mark definitions
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.bd B 3
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.if n \{\
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.\}
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.if t \{\
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. ds #H ((1u-(\\\\n(.fu%2u))*.13m)
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. ds #V .6m
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. ds #F 0
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. ds #[ \&
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. ds #] \&
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.\}
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. \" simple accents for nroff and troff
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.if n \{\
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. ds ' \&
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. ds ` \&
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. ds /
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. ds q
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.\}
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.if t \{\
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. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u"
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. ds ! \s-2\(or\s+2\h'-\w'\(or'u'\v'-.8m'.\v'.8m'
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. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u'
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. ds q o\h'-\w'o'u*8/10'\s-4\v'.4m'\z\(*i\v'-.4m'\s+4\h'\w'o'u*8/10'
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.\}
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. \" troff and (daisy-wheel) nroff accents
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.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V'
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.ds 8 \h'\*(#H'\(*b\h'-\*(#H'
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.ds v \\k:\h'-(\\n(.wu*9/10-\*(#H)'\v'-\*(#V'\*(#[\s-4v\s0\v'\*(#V'\h'|\\n:u'\*(#]
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.ds _ \\k:\h'-(\\n(.wu*9/10-\*(#H+(\*(#F*2/3))'\v'-.4m'\z\(hy\v'.4m'\h'|\\n:u'
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.ds . \\k:\h'-(\\n(.wu*8/10)'\v'\*(#V*4/10'\z.\v'-\*(#V*4/10'\h'|\\n:u'
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.ds 3 \*(#[\v'.2m'\s-2\&3\s0\v'-.2m'\*(#]
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.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#]
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.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H'
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.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#]
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.ds ae a\h'-(\w'a'u*4/10)'e
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.ds Ae A\h'-(\w'A'u*4/10)'E
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. \" corrections for vroff
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.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u'
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.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u'
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. \" for low resolution devices (crt and lpr)
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.if \n(.H>23 .if \n(.V>19 \
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\{\
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. ds d- d\h'-1'\(ga
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. ds D- D\h'-1'\(hy
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. ds th \o'bp'
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. ds Th \o'LP'
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.\}
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.rm #[ #] #H #V #F C
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.SH "NAME"
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Ethereal \- Interactively browse network traffic
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.SH "SYNOPSYS"
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\fBethereal\fR
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[\ \fB\-B\fR\ byte\ view\ height\ ]
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[\ \fB\-b\fR\ bold\ font\ ]
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[\ \fB\-c\fR\ count\ ]
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[\ \fB\-h\fR\ ]
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[\ \fB\-i\fR\ interface\ ]
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[\ \fB\-m\fR\ font\ ]
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[\ \fB\-n\fR\ ]
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[\ \fB\-P\fR\ packet\ list\ height\ ]
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[\ \fB\-r\fR\ infile\ ]
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[\ \fB\-s\fR\ snaplen\ ]
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[\ \fB\-T\fR\ tree\ view\ height\ ]
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[\ \fB\-t\fR\ time\ stamp\ format\ ]
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[\ \fB\-v\fR\ ]
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[\ \fB\-w\fR\ savefile]
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.SH "DESCRIPTION"
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\fBEthereal\fR is a network protocol analyzer based on the \fBGTK+\fR GUI toolkit. It lets
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you interactively browse packet data from a live network or from a \fBpcap\fR
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/ \fBtcpdump()\fR formatted capture file.
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.SH "OPTIONS"
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.Ip "-B" 4
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Sets the initial height of the byte view (bottom) pane
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.Ip "-b" 4
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The bold font name used for packet fied display.
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.Ip "-c" 4
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The default number of packets to read when capturing live data.
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.Ip "-h" 4
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Prints the version and options and exits.
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.Ip "-i" 4
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The name of the interface to use for live packet capture. It should match
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one of the names listed in \*(L"\fBnetstat \-i\fR\*(R" or \*(L"\fBifconfig \-a\fR\*(R".
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.Ip "-m" 4
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The font name used by \fBEthereal\fR.
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.Ip "-n" 4
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Disable network object name resolution (such as hostname, \s-1TCP\s0 and \s-1UDP\s0 port
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names).
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.Ip "-P" 4
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Sets the initial height of the packet list (top) pane
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.Ip "-r" 4
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Read packet data from \fIfile\fR. Currently, \fBEthereal\fR only understands
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\fBpcap\fR / \fBtcpdump\fR formatted files.
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.Ip "-s" 4
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The default snapshot length to use when capturing live data. No more than
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\fIsnaplen\fR bytes of each network packet will be read into memory, or saved
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to disk.
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.Ip "-T" 4
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Sets the initial height of the tree view (top) pane
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.Ip "-t" 4
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Sets the format of the packet timestamp displayed in the packet list
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window.
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.Ip "-v" 4
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Prints the version and exits.
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.Ip "-w" 4
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Sets the default capture file name.
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.SH "INTERFACE"
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.Sh "\s-1MENU\s0 \s-1ITEMS\s0"
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.Ip "File:Open, File:Close" 4
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Open or close a capture file.
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.Ip "File:Print Packet" 4
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Print a description of each protocol header found in the packet, followed
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by the packet data itself. Printing options can be set with the
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\fIEdit:Menu Options\fR menu item.
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.Ip "File:Quit" 4
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Exits the application.
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.Ip "Edit:Printer Options" 4
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Sets the packet printing options (see the section on \fIPrinter Options\fR below).
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.Ip "Tools:Capture" 4
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Initiates a live packet capture (see the section on \fICapture Preferences\fR below).
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.Ip "Tools:Filter" 4
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Sets the filter preferences (see the section on \fIFilters\fR below).
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.Sh "\s-1WINDOWS\s0"
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.Ip "Main Window" 4
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The main window is split into three sections. You can resize each section
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using a \*(L"thumb\*(R" at the right end of each divider line. An informational
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message is also displayed at the bottom of the main window.
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.Sp
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The top section contains the list of network packets that you can scroll
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through and select. The packet number, packet timestamp, source and
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destination addresses, protocol, and description are printed for each
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packet. An effort is made to display information as high up the protocol
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stack as possible, e.g. \s-1IP\s0 addresses are displayed for \s-1IP\s0 packets, but the
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\s-1MAC\s0 layer address is displayed for unknown packet types.
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.Sp
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The middle section contains a \fIprotocol tree\fR for the currently-selected
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packet. The tree displays each field and its value in each protocol header
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in the stack.
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.Sp
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The bottom section contains a hex dump of the actual packet data.
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Selecting a field in the \fIprotocol tree\fR highlights the appropriate bytes
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in this section.
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.Ip "Printer Options" 4
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The \fIPrinter Options\fR dialog lets you select the output format of packets
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printed using the \fIFile:Print Packet\fR menu item.
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.Sp
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The radio buttons at the top of the dialog allow you choose between
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printing the packets as text or PostScript, and sending the output
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directly to a command or saving it to a file. The \fICommand:\fR text entry
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box is the command to send files to (usually \fBlpr\fR), and the \fIFile:\fR
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entry box lets you enter the name of the file you wish to save to.
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Additinally, you can select the \fIFile:\fR button to browse the file system
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for a particular save file.
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.Ip "Capture Preferences" 4
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The \fICapture Preferences\fR dialog lets you specify various parameters for
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capturing live packet data.
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.Sp
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The \fIInterface:\fR entry box lets you specify the interface from which to
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capture packet data. The \fICount:\fR entry specifies the number of packets
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to capture. Entering 0 will capture packets indefinitely. The \fIFile:\fR
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entry specifies the file to save to, as in the \fIPrinter Options\fR dialog
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above. You can choose to open the file after capture, and you can also
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specify the maximum number of bytes to capture per packet with the
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\fICapture length\fR entry.
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.Ip "Filters" 4
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The \fIFilters\fR dialog lets you create and modify filters, and set the
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default filter to use when capturing data or opening a capture file.
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.Sp
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The \fIFilter name\fR entry specifies a descriptive name for a filter, e.g.
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\fBWeb and \s-1DNS\s0 traffic\fR. The \fIFilter string\fR entry is the text that
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actually describes the filtering action to take. It must have the same
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format as \fBtcpdump\fR filter strings, since both programs use the same
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underlying library. A filter for \s-1HTTP\s0, \s-1HTTPS\s0, and \s-1DNS\s0 traffic might look
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like this:
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.Sp
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.Vb 1
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\& tcp port 80 or tcp port 443 or port 53
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.Ve
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The dialog buttons perform the following actions:
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.Ip "New" 12
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If there is text in the two entry boxes, it creates a new associated list
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item.
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.Ip "Change" 12
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Modifies the currently selected list item to match what's in the entry
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boxes.
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.Ip "Copy" 12
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Makes a copy of the currently selected list item.
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.Ip "Delete" 12
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Deletes the currently selected list item.
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.Ip "\s-1OK\s0" 12
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Sets the currently selected list item as the active filter. If nothing
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is selected, turns filtering off.
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.Ip "Save" 12
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Saves the current filter list in \fI$\s-1HOME\s0/.ethereal/filters\fR.
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.Ip "Cancel" 12
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Closes the dialog without making any changes.
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.SH "SEE ALSO"
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the \fItcpdump(1)\fR manpage, the \fIpcap(3)\fR manpage
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.SH "NOTES"
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The latest version of \fBethereal\fR can be found at
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\fBhttp://ethereal.zing.org\fR.
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.SH "AUTHORS"
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.Sp
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.Vb 3
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\& Original Author
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\& -------- ------
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\& Gerald Combs <gerald@zing.org>
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.Ve
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.Vb 8
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\& Contributors
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\& ------------
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\& Gilbert Ramirez Jr. <gram@verdict.uthscsa.edu>
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\& Hannes R. Boehm <hannes@boehm.org>
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\& Mike Hall <mlh@io.com>
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\& Bobo Rajec <bobo@bsp-consulting.sk>
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\& Laurent Deniel <deniel@worldnet.fr>
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\& Don Lafontaine <lafont02@cn.ca>
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.Ve
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Alain Magloire <alainm@rcsm.ece.mcgill.ca> was kind enough to give his
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permission to use his version of snprintf.c.
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.Sp
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Dan Lasley <dlasley@promus.com> gave permission for his \fIdumpit()\fR hex-dump
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routine to be used.
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.rn }` ''
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.IX Title "ETHEREAL 1"
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.IX Name "Ethereal - Interactively browse network traffic"
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.IX Header "NAME"
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.IX Header "SYNOPSYS"
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.IX Header "DESCRIPTION"
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.IX Header "OPTIONS"
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.IX Item "-B"
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.IX Item "-b"
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.IX Item "-c"
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.IX Item "-h"
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.IX Item "-i"
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.IX Item "-m"
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.IX Item "-n"
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.IX Item "-P"
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.IX Item "-r"
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.IX Item "-s"
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.IX Item "-T"
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.IX Item "-t"
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.IX Item "-v"
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.IX Item "-w"
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.IX Header "INTERFACE"
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.IX Subsection "\s-1MENU\s0 \s-1ITEMS\s0"
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.IX Item "File:Open, File:Close"
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.IX Item "File:Print Packet"
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.IX Item "File:Quit"
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.IX Item "Edit:Printer Options"
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.IX Item "Tools:Capture"
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.IX Item "Tools:Filter"
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.IX Subsection "\s-1WINDOWS\s0"
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.IX Item "Main Window"
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.IX Item "Printer Options"
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.IX Item "Capture Preferences"
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.IX Item "Filters"
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.IX Item "New"
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.IX Item "Change"
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.IX Item "Copy"
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.IX Item "Delete"
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.IX Item "\s-1OK\s0"
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.IX Item "Save"
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.IX Item "Cancel"
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.IX Header "SEE ALSO"
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.IX Header "NOTES"
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.IX Header "AUTHORS"
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