I'm trying to put varnish in front of mediawiki, but there are a couple things going wrong with the purging support built into mediawiki (which supposedly supports varnish and squid).

1. Mediawiki was sending back an HTTP/1.0 PURGE command, which had no Host: header, just the full url after the PURGE, so the hash function wasn't matching with the normal HTTP/1.1 requests. I patched mediawiki to fix this and send an HTTP/1.1 PURGE with a Host: header, not sure what a better way to do this would be.

2. The PURGE does not have an Accept-encoding: on it, so it doesn't match the cached object, which is almost always A-e: gzip. I hacked a gzip header onto the PURGE, but what I really want is to purge all the records associated with an URL. Is there a way to do this?

Thanks,
Chris



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