Help with script, trying to get tcpdump and rotate the file every 300 seconds Post: 302234798

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tcpdump2xplot

TCPDUMP2XPLOT(1)					    BSD General Commands Manual 					  TCPDUMP2XPLOT(1)

NAME

     tcpdump2xplot -- converts tcpdump output to xplot input for analysis

SYNOPSIS

     tcpdump2xplot [-?] [-c] [-help] [-list[filename]] [-plot[filename]] [-q] [-r] [-s] [-t] [-w]

DESCRIPTION

     tcpdump2xplot takes the output of
	   tcpdump -tt -S ...
     and plots it in terms of sequence-number versus time, with other info displayed (e.g., the TCP window, acks, etc.).

OPTIONS

     -?, -help prints a help message.  -c, ``cumulative'', adds all the data coming from a server.  -list[filename] prints the list of generated
     plot files to filename.  -plot[filename] plots the packets from filename. The filename may be built out of a hostname and port number, e.g.:
     abc.def.com:1234. The default is
	   fromhost:fromport-tohost:toport.xplot
     where fromhost, fromport, thost, toport are extracted as conversations from the tcpdump data.  -q means "quiet" --- no visible output.  -r
     means use relative sequence numbers.  -s means break up conversations on TCP syns.  -t convert time to decimal number of seconds.	-w plots
     the TCP window.

EXAMPLES

SEE ALSO

     tcpdump(1), xplot.org(1)

BUGS

     tcpdump2xplot may not deal properly with output from tcpdump that is not TCP.  Either filter to only tcp or be careful.

HISTORY

     The tcpdump2xplot has been contributed by xplot.org users.  Thanks to Garret Wollman for contributing the original tcpdump2xplot.pl script
     and thanks to Eric Prud'hommeaux (@ w3.org) for making <http://www.w3.org/pub/WWW/config/tcpdump2xplot.pl> available, a much improved ver-
     sion.  The one included here is a slightly improved version of Eric's.

BSD
								  27 January 1999							       BSD