mod_reqtimeout could be a reason, since it has been activated according to apt-listchanges:
apache2 (2.2.15-1) unstable; urgency=low * This release adds and enables mod_reqtimeout, which limits the time Apache waits for a client to send a complete request. This helps to mitigate against certain denial of service attacks. In case of problems with slow clients, the timeout values can be adjusted in /etc/apache2/mods-available/reqtimeout.conf , or the module can be disabled with "a2dismod reqtimeout". -- Chuck Short <zul...@ubuntu.com> Tue, 13 Apr 2010 09:09:34 -0400 I have now disabled it and will audit the server logs whether the error has gone. -- client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23) https://bugs.launchpad.net/bugs/589611 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
