07-01-2019 07:21 AM - edited 02-21-2020 09:15 AM
Hi Guys,
Do you know if Cisco Firewall behavior is based on RFC?
In addition, what is the difference between old 8.2 to 9.x in terms of the packet flow from ingress to egress?
Thanks
07-01-2019 09:10 AM
here is the packet flow :
07-01-2019 09:17 AM
Hi @balaji.bandi ,
Thanks for the feedback. I saw this link already but it only talks for the 8.2, is it the same as the 9.x code?
Thanks
07-01-2019 09:52 AM
Personally i do not believe anything change in packet flow (other than IPS)
only major changes from 8.3 code to higher as below :
https://community.cisco.com/t5/security-documents/asa-8-3-upgrade-what-you-need-to-know/ta-p/3127078
07-02-2019 05:17 AM
ASA order of operations for current (9.x) releases look like the screenshot below. I took it from a Cisco Live presentation. There are numerous such presentations over the past several years that you can research and see the process explained in more depth.
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