We are currently in the process of upgrading to CM and UCCX 8.X which all run on the same Linux OS. I know I can only install the cisco approved updates to these servers. What I am looking for is any documentation that might be available that explains Cisco's stance on patching.
My Security Department is requiring some sort of documentation stating that I cannot install patches such as Linux patches or Tomcat patches other than what is provided by Cisco, so I can get an exception for these servers.
Does anyone know if this documentation exists and where I might be able to find it?
There is no concept of independent OS patching with Cisco applications as these are appliances with no access to Linux Kernel, thus no way to patch OS independently. OS is only patched along with Cisco UC application upgrade. Major OS upgrades are also bundled in application upgrade, for example when going from CUCM/UCON 8.5 to 8.6 you are also upgrading the underlining Linux Red hat Enterprise 4 to 5.
So Gajanan, are you saying there is no document from Cisco that states we can only apply Cisco approved patches that Cisco provides? As I stated in my question, I know we are not able to do it, but I need a document to provide my Security Department with.
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