01-07-2014 05:59 AM
Hello
the purpose is to minimze the cpu consomption but in wich way ?
how the offload work exactly?
thank's
01-07-2014 06:22 AM
By default, the PANFW offloads traffic for which it need not perform content and threat checks ( like SSL traffic because its encrypted, and custom applications because the user/admin trusts these applications ). Offloading means that traffic is offloaded to a hardware chip, for faster packet processing. If offloading is set to "no", then all the traffic ( including the custom application traffic and encrypted traffic ) are subjected to signature checks, and it can cause unnecessary usage of CPU cycles.
01-07-2014 06:08 AM - last edited on 10-06-2020 09:04 AM by jdelio
The following article has the information about disabling the offload traffic:
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Cm8cCAC
01-07-2014 06:19 AM
hi
Yes it's explain when the session is offloaded
but it didn't explain how the session is offloaded, i would like some detail on it.
thank's
01-07-2014 06:22 AM
By default, the PANFW offloads traffic for which it need not perform content and threat checks ( like SSL traffic because its encrypted, and custom applications because the user/admin trusts these applications ). Offloading means that traffic is offloaded to a hardware chip, for faster packet processing. If offloading is set to "no", then all the traffic ( including the custom application traffic and encrypted traffic ) are subjected to signature checks, and it can cause unnecessary usage of CPU cycles.
01-07-2014 06:28 AM
The PANFW has the internal logic to determine which traffic is subjected to offloading. The rule of thumb being that any traffic that does not require signature inspection ( for both application determination and threat checks ) is offloaded to the hardware processor. Like mentioned before, sessions for SSL traffic ( which is encrypted and the firewall cannot determine the signature ), application overridden traffic ( admin creates such custom application because he/she trusts such applications ), etc are offloaded.
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