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Forum Discussion

Duncan_Proffitt's avatar
Duncan_Proffitt
Icon for Altostratus rankAltostratus
Apr 26, 2018

XFF and the ASM module

WE are experiencing a situation where the F5 is denying traffic due to an XFF that it doesnt understand.   The F5 receives traffic from a certain server that has already added an XFF on to the IP ...
application delivery
ASM Advanced WAF
LTM
cjunior's avatar
cjunior
Icon for Nacreous rankNacreous
Apr 26, 2018

Sorry by question, but, is the ASM blocking that traffic? If so, what is the violation triggered? I asked you because I have issues to some requests where LTM/ASM are injecting and breaking the http headers with NULL characters, so I need to know if you have the same issue that me.

 

Regards.