Hi Nick, The major changes with NAT rules and ACL comes between pre 8.3. and post 8.3. Since you are already running on version 8.4.3, there would not be any changes related to NAT rules for which you are concerned. Regards Pradyumna

Hi,Since you are running on version 8.6.1, you need to follow an upgrade path in order to move to version 9.1.7.9.8.6.1 -> 9.0.4 -> 9.1.7.9Also please find the release notes for 9.1.x version for your reference.http://www.cisco.com/c/en/us/td/docs/se...

Hi,The fix for the vulnerability is been addressed in version 9.1.7.9 which is supported on the platform you are running on. Please find the below link regarding the vulnerability for your reference.https://tools.cisco.com/security/center/content/Cis...

Hi,The fix for the vulnerability is been addressed in version 9.1.7.9 which is supported on the platform you are running on. Please find the below link regarding the vulnerability for your reference.https://tools.cisco.com/security/center/content/Cis...