https://issues.apache.org/bugzilla/show_bug.cgi?id=46323

--- Comment #5 from Christophe Dupriez <christophe.dupr...@poisoncentre.be> 
2010-02-11 13:05:59 UTC ---
I cannot check the password because I would then need to make a "bind" from
Tomcat. This bind would be originating from the server (and, if I remember
well, would be seen as a login to the LDAP server!). As our Network Management
completely forbid any user login to the servers, binds are then always failing.

I agree with you that Tomcat Distribution must not include potential security
holes: thank you for pointing the potential problem my solution brings (I did
not realized it). For our situation (closed LAN), it is not a real problem but
for others, it may be. For them, I think some way to fully validate the token
without "bind" or to make a bind on behalf of the originating computer (you
mention NTLMv2 which includes the hostname: may be something to check here).

Meanwhile, my Network Management is asking more and more often if NTLM could be
disabled in the whole LAN!!! I would be very happy to discuss this with other
people looking to solve those issues on the long term.

For now, our users are enjoying to access applications without ever having to
log in. And when you have physical access to the premises, you can do worse
than by forging NTLM tokens. But this is not acceptable for worldwide
distribution, I agree. I would happily test solution ideas if there is any...

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