Re: Can we be less forgiving about what we accept?

2011-11-28 Thread Tim Bannister
On 28 Nov 2011, at 00:37, Stefan Fritsch wrote: > * With 'ProxyRequests off', we accept absolute urls like http://hostname/path > for local requests, but we don't check that the hostname contained in it > actually matches the Host header if there is one. The hostname from the URI > is then used

Re: Can we be less forgiving about what we accept?

2011-11-28 Thread Stefan Fritsch
On Monday 28 November 2011, Nick Kew wrote: > On 28 Nov 2011, at 00:37, Stefan Fritsch wrote: > > Hi, > > > > while browsing a bit through Michael Zalewski's new Tangled Web > > book, I was reminded again that we are very forgiving about what > > we accept as a request. Is this really a good idea

Re: Can we be less forgiving about what we accept?

2011-11-27 Thread Nick Kew
On 28 Nov 2011, at 00:37, Stefan Fritsch wrote: > Hi, > > while browsing a bit through Michael Zalewski's new Tangled Web book, > I was reminded again that we are very forgiving about what we accept > as a request. Is this really a good idea in the time of lots of web > security issues? Soun

Can we be less forgiving about what we accept?

2011-11-27 Thread Stefan Fritsch
Hi, while browsing a bit through Michael Zalewski's new Tangled Web book, I was reminded again that we are very forgiving about what we accept as a request. Is this really a good idea in the time of lots of web security issues? Examples include: * in the request line, the protocol may be arbi