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

Forum Discussion

Brian_Mayer_841's avatar
Brian_Mayer_841
Icon for Nimbostratus rankNimbostratus
Jan 20, 2012

Having some trouble creating a health monitor for our OWA through ISA site

I have tried all sorts of combinations of GET requests and HTTP header fields, but I flat out cannot get a health monitor to successfully run against our OWA webmail servers. I should note that only ...
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Daniel_55334's avatar
Daniel_55334
Icon for Altostratus rankAltostratus
Feb 24, 2012
I hit the exact same problem recently. The curl command successfully get legitimate response after basic authentication. However the monitor just failed. F5 support sees in the debug that the server just replies 400 bad request. It turns out to have the send string configured as below and it works.

 

"GET /owa/ HTTP/1.1\r\nUser-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5\r\nHost: 10.1.1.1\r\nAccept: */*"