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Correct minor nit - to filter out SYN packets, the keyword is

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`syn' not `tcpsyn' (which matches `tcp' which blocks all tcp
packets)
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gpalmer 1995-08-31 21:12:05 +00:00
parent bba017cc52
commit d1234eaa5a
1 changed files with 1 additions and 1 deletions
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sbin/ipfw/ipfw.8
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@ -67,7 +67,7 @@ The <proto/addr pattern> is:
tcp[syn]|udp from <src addr/mask>[ports] to <dst addr/mask>[ports][via <via>]
all matches any IP packet.
icmp,tcp and udp - packets for corresponding protocols.
tcpsyn - tcp SYN packets (which used when initiating connection).
syn - tcp SYN packets (which used when initiating connection).
The order of from/to/via keywords is unimportant.You can skip any