01-31-2014 02:39 PM
Hi everybody, Is it possible allow icmp and other services in the same rule? for example allow icmp and tcp_25 between server A and server B but in the same rule and How do that?
01-31-2014 10:43 PM
Hello,
ICMP will use source/destination port as Sequence Number/identifier number while to build up the session on a firewall (5 tuple value). Also, it will not have a Layer-4 header on it ( which is necessary to create a custom service). So, you can not allow icmp and other services in the same rule.
Thanks
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