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Eddy_161863's avatar
Eddy_161863
Icon for Nimbostratus rankNimbostratus
Apr 13, 2016

Receive string '0' on f5 LTM

Hi ,   I'm trying to understand a situation on f5. So for one of my monitors, I have the receive string setup as '0' (zero). When I checked the TCP trace, it's returning a 401 error for the send s...
application delivery
LTM
Arie's avatar
Arie
Icon for Altostratus rankAltostratus
Apr 13, 2016

The monitor checks for the presence of a "0" in the response. Since "401" contains a "0" the validation check will pass. You'll want to be a bit more specific with the receive string (e.g. "200 OK").