Forum Discussion
Deb_Allen_18
Sep 07, 2006Historic F5 Account
Error on HTTP::header insert
I'm wondering if anyone can shed some light on this error:tmm[1045]: 01220001:3: TCL error: Rule frontend_http - Operation not supported (line 1) invoked from within "HTTP::header insert BIG-IP-PROTO...
Stefan_Klotz
Cumulonimbus
Mar 07, 2012Hello again,
same issue, but different root cause.
I noticed, that we still sometimes get this TCL-error in the logs.
As we are using a "default" iRule, which is in place on several VS, I checked all of them to verify if there is maybe another iRule in place, which performs a redirect.
I didn't found such an iRule, but other iRules doing an "IP whitelisting" and if not matching, TCP-connection will be dropped. I guess the behavior is similar to a redirect. The TCP-connection isn't available anymore for HTTP header insertation.
I will try to move the HTTP header insertation iRule on the very top of all VS.
Ciao Stefan :)
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