Motohiro Sakai Posted April 30 Share Posted April 30 Hello, I believe when you upgrade Netscaler to the newer build, the default WAF signature is updated. When you Netscaler to the newer build, user-difned signature is also updated as well ? If it's true, are there any ways not to update the user-definded signature ? Link to comment Share on other sites More sharing options...
Rick Davis Posted April 30 Share Posted April 30 Signature objects do not update unless enabled for Signature Auto Update. https://docs.netscaler.com/en-us/citrix-adc/current-release/application-firewall/signatures/signature-auto-update.html Link to comment Share on other sites More sharing options...
Solution Nicola Campaci Posted May 2 Solution Share Posted May 2 Hi When you upgrade the Netscaler, the Default Signatures are updated with the version present on the new firmware. Custom signatures will remain at the Base Version of the initial signature, like example above. Link to comment Share on other sites More sharing options...
Hemang Raval Posted May 6 Share Posted May 6 Custom signatures are not upgraded to prevent change in signatures causing issue for production traffic. Hence this needs intervention from user. Link to comment Share on other sites More sharing options...
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