How about Digest authentication? Does digest is as weak as NTLM? and another question: Is it possible to use Kerberos (actually Negotiate) protocol for squid user authentication in a network without any Active Directory or Domain? On 9/14/10, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: > On Mon, 13 Sep 2010 11:28:13 -0500, Terry <td3201@xxxxxxxxx> wrote: >> I have a working NTLM implementation in place and it works great from >> yum and wget for example. However, when I try to use squid from IE8, >> it prompts for password and I never see the credentials hit squid, >> just this for example: >> 1284395121.846 0 10.8.1.100 TCP_DENIED/407 1798 GET >> http://google.com/ - NONE/- text/html >> >> I have added google.com to IE's local intranet zone and gave that zone >> low priority so I am not sure where the problem lies. Here's my >> configuration: >> >> auth_param ntlm program /usr/bin/ntlm_auth >> --helper-protocol=squid-2.5-ntlmssp >> --require-membership-of="DOM\\proxyusers" >> auth_param ntlm children 5 >> auth_param basic program /usr/bin/ntlm_auth >> --helper-protocol=squid-2.5-basic >> --require-membership-of="DOM\\proxyusers" >> auth_param basic children 5 >> auth_param basic realm Squid proxy-caching web server >> auth_param basic credentialsttl 5 hours >> >> acl NTLMUsers proxy_auth REQUIRED >> http_access allow all NTLMUsers >> >> I can test fine from the squid server: >> [root@proxy01a squid]# ntlm_auth --helper-protocol=squid-2.5-basic >> DOM\jmama password >> OK >> >> What am I missing? > > The fact that NTLM has been obsolete for 8 years now? It's encryption > schemes were demonstrated to be decrypted in under 15 minutes with a > standard consumer desktop as of a year or so ago. > Microsoft have declared is deprecated in favor of Kerberos back in the > early stages of Vista and all their newer software attempts to do Kerberos > instead. IE8 and Windows 7 are known to have NTLM fully disabled by > default, with some hoop-jumping needed to open up those hole again. > > *Please* look at upgrading your network to Negotiate/Kerberos. It's much > more secure, faster and very much less resource hungry than NTLM. > > Amos >
