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fergusone_29406's avatar
fergusone_29406
Icon for Nimbostratus rankNimbostratus
Oct 26, 2010

Headers truncated at 4096bytes

A problem has arisen with a virtual server over the last few weeks. When testing an application the user recieves 400 Bad Requests errors in their browser. From my testing it looks as though Headers...
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hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
Oct 27, 2010
Hi Ewan,

 

 

Are you running any modules on the virtual server? I thought LTM could handle up to 32k byte length headers by default:

 

 

SOL8482: Error Message: HTTP header exceeded maximum allowed size of

 

http://support.f5.com/kb/en-us/solutions/public/8000/400/sol8482.html

 

 

Have you tried comparing a tcpdump of the LTM clientside and serverside HTTP request? If so, do you see the long header being truncated? If you do, I'd suggest opening a case with F5 Support to investigate the issue.

 

 

Aaron