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

Forum Discussion

gersbah's avatar
gersbah
Icon for Cirrostratus rankCirrostratus
Apr 28, 2021

What does "Proxy Options" do in a tcp profile?

I recently had a case where disabling the "Proxy Options" flag in the server side tcp profile solved a massive performance issue (page load times went from 10-20 seconds with this setting to millisec...
application delivery
big-ip
LTM
gersbah's avatar
gersbah
Icon for Cirrostratus rankCirrostratus
Apr 30, 2021

Thanks for your reply! Funny enough, I got my version of the description from the "help" menu on a bigip running 14.1 - so I guess this is not regularly updated.

And if it's only timestamps, that leaves even more questionmarks for me, how this setting could have such a big impact.

 

I guess if I find the time I will have a look at some tcpdumps for comparison. It's certainly intriguing.

boneyard's avatar
boneyard
Icon for MVP rankMVP
May 02, 2021

yeah, can't think of a reason straight away, if you ever figure it out please share.