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Connections are dropped, and you see the following errors in /var/log/ltm: 01220001:3: TCL error: /Common/<iRule_name> <HTTP_REQUEST> - ERR_NOT_SUPPORTED (line 1) invoked from within "HTTP::host".
When this error is encountered, an error is logged and the connection is dropped.
iRule with any of the following commands: -- HTTP::respond -- HTTP::redirect -- HTTP::retry iRule contains code (such as logging code) following the command, and the code uses something from HTTP, for example: log local0.debug "[HTTP::uri]" This can be encountered after upgrading, when network traffic that invokes the iRule occurs.
Alter your iRule code to not contain any iRule commands following HTTP::respond, HTTP::redirect, or HTTP::retry. You can use HTTP::has_responded to detect whether HTTP has already responded.
None
HTTP iRule commands that inspect HTTP state after the commands HTTP::respond, HTTP::redirect, and HTTP::retry now return errors instead of returning corrupt data. It may be useful to check HTTP::has_responded to detect whether or not HTTP state is unavailable.
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