[squid-users] Authentication Problem

[Samuel Anderson]

Hi Amos and Dima,

I'm having the exact same problem. After updating Chrome to version
(47.0.2526.73
m) I'm no longer able to authenticate. IE and Firefox still seem to work
fine. I haven't changed anything in my config file for months.

On Fri, Dec 4, 2015 at 5:22 AM, Dima Ermakov <demonihin at gmail.com> wrote:

> Thank you, Amos.
>
> I checked all, that you wrote.
> It didn't help me.
>
> I have this problem only on google chrome browser.
> Before 2015-12-03 all was good.
> I didn't change my configuration more than one month.
>
> Ten minutes ago "Noel Kelly nkelly at citrusnetworks.net" wrote in this
> list, that google chrome v47 has broken NTLM authentication.
> My clients with problems has google chrome v47 (((
>
> Mozilla Firefox clients work good.
>
> Thank you!
>
> This is message from Noel Kelly:
> "
>
> Hi
>
> For information, the latest version of Google Chrome (v47.0.2526.73M) has
> broken NTLM authentication:
>
> https://code.google.com/p/chromium/issues/detail?id=544255
>
> https://productforums.google.com/forum/#!topic/chrome/G_9eXH9c_ns;context-place=forum/chrome
>
> Cheers
> _______________________________________________
> squid-users mailing list
> squid-users at lists.squid-cache.org
> http://lists.squid-cache.org/listinfo/squid-users
>
> "
>
> On 4 December 2015 at 04:55, Amos Jeffries <squid3 at treenet.co.nz> wrote:
>
>> On 4/12/2015 9:46 a.m., Dima Ermakov wrote:
>> > Hi!
>> > I have a problem with authentiation.
>> >
>> > I use samba ntlm authentication in my network.
>> >
>> > Some users ( not all ) have problems with http traffic.
>> >
>> > They see basic authentication request.
>>
>> Meaning you *dont* have NTLM authentication on your network.
>>
>> Or you are making the mistake of thinking a popup means Basic
>> authentication.
>>
>> > If they enter correct domain login and password, they have auth error.
>> > If this users try to open https sites: all works good, they have not any
>> > type of errors.
>>
>> So,
>>  a) they are probably not going through this proxy, or
>>  b) the browser is suppressing the proxy-auth popups, or
>>  c) the authentication request is not coming from *your* proxy.
>>
>> >
>> > So we have errors only with unencrypted connections.
>> >
>> > I have this error on two servers:
>> > debian8, squid3.4 (from repository)
>> > CentOS7, squid3.3.8 (from repository).
>> >
>>
>> Two things to try:
>>
>> 1) Adding a line like this before the group access controls in
>> frntend.conf. This will ensure that authentiation credentials are valid
>> before doing group lookups:
>>  http_access deny !AuthorizedUsers
>>
>>
>> 2) checking up on the Debian winbind issue mentioned in
>> <
>> http://wiki.squid-cache.org/ConfigExamples/Authenticate/Ntlm#winbind_privileged_pipe_permissions
>> >
>>
>> Im not sure about this it is likely to be involved on Debian, but CentOS
>> is not known to have that issue.
>>
>>
>> Oh and:
>>  3) remove the "acl manager" line from squid.conf.
>>
>>  4) change your cachemgr_passwd. Commenting it out does not hide it from
>> view when you post it on this public mailing list.
>>
>> You should remove all the commented out directives as well, some of them
>> may be leading to misunderstanding of what the config is actually doing.
>>
>>
>> Amos
>> _______________________________________________
>> squid-users mailing list
>> squid-users at lists.squid-cache.org
>> http://lists.squid-cache.org/listinfo/squid-users
>>
>
>
>
> --
> С уважением, Дмитрий Ермаков.
>
> _______________________________________________
> squid-users mailing list
> squid-users at lists.squid-cache.org
> http://lists.squid-cache.org/listinfo/squid-users
>
>


-- 
Samuel Anderson  |  System Administrator  |  International Document Services

IDS  |  11629 South 700 East, Suite 200  |  Draper, UT 84020-4607

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