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I'm attempting to run a squid3 proxy server with authentication for any user that has a login to the server.

I've followed these instructions, and I am prompted for a username and password when I enter the proxy details. Problem is it won't accept my root username and password or another account that I have. I am sure I'm entering the password correctly. I checked the log and I see :

1359436167.010 1281 174.XX.XX.XX TCP_DENIED/407 5219 GET http://abechik.wordpress.com/2008/12/26/ubuntu-810-squid3-with-pam_auth-revisited/ root NONE/- text/html

Any ideas?

EDIT: Config file here: http://paste.ubuntu.com/1603430/ I pretty much followed the instructions on this blog.

Also just to ensure I understand this right: I have a local user 'BOMEz' with password 'password'. I can log into the system via putty over SSH. When Firefox I am prompted for the password I enter BOMEz and password and it just asks for the password again. I'd like to be able to just make Linux user accounts which will automatically have proxy access.

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    Please post your cache.log and squid.conf. Upload them to paste.ubuntu.com and post the links here.
    – Eric Carvalho
    Feb 1, 2013 at 11:33
  • Added paste of config file.
    – BOMEz
    Feb 4, 2013 at 18:40
  • cache.log would be helpful. Try this: run /usr/lib/squid3/pam_auth, it should wait for input, type username password (real/valid username and password). It should output OK or ERR, maybe with an error message.
    – Eric Carvalho
    Feb 4, 2013 at 19:39
  • Here is cache.log paste.ubuntu.com/1614976 Also added some extra details to my question.
    – BOMEz
    Feb 6, 2013 at 4:17

1 Answer 1

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I had the same problem. This solved it:

sudo chmod u+s /usr/lib/squid3/pam_auth

It seems pam_auth needs special permissions for other users. squid3 ran with the user "proxy". I switched to this user with su -u squid and tested /usr/lib/squid3/pam_auth. It returns OK if given username and password separated with a space when executed as the same user or root.

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