Strip http origin header

This is the iRule that I am using right now:

 

when HTTP_REQUEST { if { [HTTP::header value "Origin"] starts_with "; } then { HTTP::header remove "Origin" } }

 

That rule won't load in v13.1, due to syntax errors.

Here's a version with corrected syntax:

when HTTP_REQUEST { 
    if { [HTTP::header value "Origin"] starts_with "https://abc.com" } { 
        HTTP::header remove "Origin" 
    }
}   

I can't see any reason (off the top of my head) why this rule wouldn't be working (after syntax errors were removed). You might try logging the value of the Origin header to see what clients are actually offering, if you aren't seeing the expected outcome.

If you want to remove this header from the response, use the

HTTP_RESPONSE

event instead of

HTTP_REQUEST

.