I have a dump file with lots of various packets in it, but I want to selectively replay, say, only all udp packets to a given port number, without having to edit the dump file first.
How?
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tcpdump can do the filtering and its result then be piped to tcpreplay.
tcpdump -r dump.pcap -w- 'udp port 1234' | tcpreplay -ieth0 -
Evgeniy Berezovsky
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