Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

[FreeBSD/stable/10.git] / contrib / ipfilter / rules / example.6

#
# block all TCP packets with only the SYN flag set (this is the first
# packet sent to establish a connection) out of the SYN-ACK pair.
#
block in proto tcp from any to any flags S/SA