06-08-2016 05:41 AM - edited 06-08-2016 05:41 AM
Hi all,
I was able to ping external server from firewall and getting reply back from the server without any issues, however in firewall log it's showing aged out.
Anybody know the reason behind this?why we are getting agedout after proper response from the external server??
Regards,
Kotresha
06-08-2016 07:23 AM
This is expected behavior because ICMP is a stateless protocol and does not have FIN or RST flags, so unless it is blocked by the firewall the session end reason will be aged-out
06-08-2016 06:18 AM
Because ping (icmp) and udp protocols don't have session setup (3way handshake) and session turndown (4way handshake) just request and reply so palo will just fade out the session when timeout expires.
06-08-2016 06:43 AM
You mean to say it's common?? like it'ss be default agedout for ping request?
06-08-2016 07:23 AM
This is expected behavior because ICMP is a stateless protocol and does not have FIN or RST flags, so unless it is blocked by the firewall the session end reason will be aged-out
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