1 # $NetBSD: example.6,v 1.1.1.1 2012/03/23 21:20:15 christos Exp $ 2 # 3 # block all TCP packets with only the SYN flag set (this is the first 4 # packet sent to establish a connection) out of the SYN-ACK pair. 5 # 6 block in proto tcp from any to any flags S/SA 7
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