Transcription of TCPDUMP filters - UCR
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TCPDUMP filters expression selects which packets will be dumped. If no expression is given, all packets on the net will be dumped. Otherwise, only packets for which expres sion is `true' will be dumped. ber) preceded by one or more qualifiers. There are three different kinds of qualifier: type qualifiers say what kind of thing the id name or number refers to. Possible types are host, net and port. , `host foo', `net ', `port 20'. If there is no type qualifier, host is assumed. dir qualifiers specify a particular transfer direction to and/or from id. Possible directions are src, dst, src or dst and src and dst. , `src foo', `dst net ', `src or dst port ftp-data'.
TCPDUMP filters expression selects which packets will be dumped. If no expression is given, all packets on the net will be dumped. Otherwise, only packets for which expres sion is `true' will be dumped. ber) preceded by one or more qualifiers.
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