Forum Discussion
joyharry_281042
Nimbostratus
NimbostratusHow to Allow Underscore in HTTP Header?
Hello All,
I am working on the requirement to allow underscores in HTTP headers by default F5 does not allow it. Can anybody let me know what I need to do at the F5 end to allow underscores like...
ekaleido_26616
Cirrocumulus
CirrocumulusAll you need to do to make this load balance properly is to apply a cookie persistence profile to your virtual server. In the virtual server you can configure it to insert X-Forwarded-For header as the URL requires. You do not need any special headers to achieve what that document describes.
ekaleido_26616Cirrocumulus
CirrocumulusUnderscores in headers are fine by the F5. I've copied a link showing this in a packet capture:
 
https://devcentral.f5.com/s/feed/0D51T00006i7X5xSAE