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Jon_Strabala_46's avatar
Jon_Strabala_46
Icon for Nimbostratus rankNimbostratus
Feb 03, 2010

How to use HTTP::respond to send a 1x1 gif

Hello, I am trying to write a simple iRule to that uses HTTP::respond (from HTTP_REQUEST) to send a 1x1 gif back to the client on any request. I build a 1x1 gif (44 bytes) bu...
application delivery
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hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
Feb 03, 2010
The content-type would be inserted in the response headers and not count as part of the content-length. LTM generates the content-length header irrespective of it being set in the iRule.

 

 

I'd guess the \xDD characters are being converted internally to something you're not expecting. The simplest option I've seen is to base64 encode the image and then use b64decode and HTTP::respond to decode and send it to the client:

 

 

http://devcentral.f5.com/wiki/default.aspx/iRules/LTMMaintenancePage.html

 

 

Aaron