Forum Discussion

satish_txt_2254's avatar
satish_txt_2254
Icon for Cirrus rankCirrus
Mar 15, 2016

Multiple X-Forwarded-For ip address

We have enabled X-Forwarded-For on F5 and in apache we have added following code LogFormat blah...\"user-agent\": \"%{User-agent}i\", \"client\": \"%{X-Forwarded-For}i\",...blah Now i am doing ex...
application delivery
BIG-IP
f5
security
x-forwarded-for
JG's avatar
JG
Icon for Cumulonimbus rankCumulonimbus
Mar 16, 2016

This is really an Apache question.

If you are running Apache 2.4, there is a mechanism for you to specify which addresses to trust in the XFF header and what to log. Consult Apache 2.4 documentation on how to do this.

If you want a quick hack for this on the F5, this is not a new question. You can start with the following old thread:

https://devcentral.f5.com/questions/x-forwarded-for-returning-multiple-ips