Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Chris_Kindelber's avatar
Chris_Kindelber
Icon for Nimbostratus rankNimbostratus
Mar 17, 2005

Turning off compression based on client IP

We need to turn off compression based on a single client IP. What we find is that we get a 404 when the client hits the VIP when that rule is applied. In the tcpdump we see a reset being sent back t...
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rapmaster_c_127's avatar
rapmaster_c_127
Historic F5 Account
Mar 17, 2005
Ok, this is is something we fixed in 9.0.5 for usability reasons. Since architecturally compression occurs on the serverside of the full proxy, you need to trigger the rule on HTTP_RESPONSE. I know it's icky, so that's why we fixed it. So while you're on 9.0.4, try the following rule instead: 

 
 when HTTP_RESPONSE {  
     if { [IP::client_addr] eq "63.231.39.153" } {  
         COMPRESS::disable 
     } 
 }

Sorry about that.