[CentOS] Why is iptables configured to accept packets on ports 50 and 51?
Stephen Harris
lists at spuddy.orgTue May 17 18:20:17 UTC 2011
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> -A RH-Firewall-1-INPUT -p 50 -j ACCEPT > -A RH-Firewall-1-INPUT -p 51 -j ACCEPT That's _protocol_ 50 and 51; not ports 50 and 51 % grep '5[01]' /etc/protocols esp 50 ESP # Encap Security Payload ah 51 AH # Authentication Header IPSec traffic. -- rgds Stephen
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