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    Kerberos Squid without authentication?

    Scheduled Pinned Locked Moved Cache/Proxy
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    • K
      killmasta93 @mcury
      last edited by

      @mcury
      Thanks for the reply, correct already did that
      on the Service principal name

      f9688ac1-9018-4ebd-8b50-23e2c29f4c76-image.png

      Tutorials:

      https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

      M 1 Reply Last reply Reply Quote 0
      • M
        mcury @killmasta93
        last edited by mcury

        Maybe you are facing the same problem as this guy was, take a look:

        http://squid-web-proxy-cache.1019090.n4.nabble.com/squid-kerb-auth-received-type-1-NTLM-token-td2131613.html

        Quote:
        You should see a request from the client to Active Directory asking for a TGS for HTTP/<fqdn of proxy>. If that does not happen or get refused by AD the client will fall back to NTLM (wrapped into the Negotiate response) which is waht you see on the proxy.

        I would set a packet capture like that guy did to check, port 88

        dead on arrival, nowhere to be found.

        K 1 Reply Last reply Reply Quote 0
        • K
          killmasta93 @mcury
          last edited by

          @mcury
          Finally got it to authenticate but im still getting the popup

          525feae3-d657-4d22-b5de-aa1e3611b3fd-image.png

          Tutorials:

          https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

          M 1 Reply Last reply Reply Quote 0
          • M
            mcury @killmasta93
            last edited by mcury

            Why are you authenticating as administrador@CASA.LOCAL ?
            The user should be appearing there and not administrator. Should be user@CASA.LOCAL

            The user need to be member of the group used in ldapusersearch in Squidguard

            dead on arrival, nowhere to be found.

            K 1 Reply Last reply Reply Quote 0
            • K
              killmasta93 @mcury
              last edited by killmasta93

              @mcury
              its because im opening the chrome inside of the windows server which im logged on as administrador

              this is another user

              68db97a0-6e2f-4ab8-b790-b01fded9a4c1-image.png

              Tutorials:

              https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

              M 1 Reply Last reply Reply Quote 0
              • M
                mcury @killmasta93
                last edited by

                Ok, in this last screenshot, the username is Windows10?
                Is this user a member of the group used in ldapusersearch?

                You are almost there.. soon we will find the problem

                dead on arrival, nowhere to be found.

                K 1 Reply Last reply Reply Quote 0
                • K
                  killmasta93 @mcury
                  last edited by

                  @mcury
                  thanks for the reply,
                  so on the squidguard

                  ldapusersearch ldap://apolo.casa.local:3268/dc=casa,dc=local?userPrincipalName?sub?(&(memberof=%2cCN=Users%2cDC=casa%2cDC=local)(userPrincipalName=%s))

                  and the user is located in

                  CN=windows10,CN=Users,DC=casa,DC=local

                  Tutorials:

                  https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

                  M 1 Reply Last reply Reply Quote 0
                  • M
                    mcury @killmasta93
                    last edited by mcury

                    ldapusersearch ldap://apolo.casa.local:3268/dc=casa,dc=local?userPrincipalName?sub?(&(memberof=%2cCN=Users%2cDC=casa%2cDC=local)(userPrincipalName=%s))

                    You used a %2c in the wrong place (It means a ',')

                    It should be:

                    ldapusersearch ldap://apolo.casa.local:3268/dc=casa,dc=local?userPrincipalName?sub?(&(memberof=CN=Users%2cDC=casa%2cDC=local)(userPrincipalName=%s))

                    It's important to notice that you are not filtering users by group in this case..
                    I would create a group, like internet, add the members to this group, and then filter like this:

                    ldapusersearch ldap://apolo.casa.local:3268/dc=casa,dc=local?userPrincipalName?sub?(&(memberof=CN=internet%2cCN=Users%2cDC=casa%2cDC=local)(userPrincipalName=%s))

                    dead on arrival, nowhere to be found.

                    K 1 Reply Last reply Reply Quote 0
                    • K
                      killmasta93 @mcury
                      last edited by

                      @mcury said in Kerberos Squid without authentication?:

                      ldapusersearch ldap://apolo.casa.local:3268/dc=casa,dc=local?userPrincipalName?sub?(&(memberof=CN=internet%2cCN=Users%2cDC=casa%2cDC=local)(userPrincipalName=%s))

                      Thanks again for the reply, so i changed to

                      ldapusersearch ldap://apolo.casa.local:3268/dc=casa,dc=local?userPrincipalName?sub?(&(memberof=CN=internet%2cCN=Users%2cDC=casa%2cDC=local)(userPrincipalName=%s))

                      then created group called internet added windows10 and administrador but same issue with popup

                      CN=internet,CN=Users,DC=casa,DC=local

                      Im thinking its a squid issue but dont know what else to do :(

                      Tutorials:

                      https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

                      M 1 Reply Last reply Reply Quote 0
                      • M
                        mcury @killmasta93
                        last edited by

                        Try port 389 instead of 3268.. Who knows..

                        dead on arrival, nowhere to be found.

                        K 1 Reply Last reply Reply Quote 0
                        • K
                          killmasta93
                          last edited by killmasta93

                          @mcury

                          Thanks for the reply,
                          so on squid i had to remove

                          http_access allow deny

                          now i got to squidguard i see this log

                          (squidGuard): ldap_search_ext_s failed: Operations error (params: dc=casa,dc=local, 2, (&(memberof=CN=internet,CN=Users,DC=casa,DC=local)(userPrincipalName=administrador)),

                          i also had to configure on squidguard
                          21f45554-d0d5-41a6-9fb8-52ef0216d7ff-image.png

                          Tutorials:

                          https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

                          M 1 Reply Last reply Reply Quote 0
                          • M
                            mcury @killmasta93
                            last edited by

                            So, is it working now ?

                            if not, I would focus on the ldapusersearch..

                            dead on arrival, nowhere to be found.

                            1 Reply Last reply Reply Quote 0
                            • K
                              killmasta93 @mcury
                              last edited by

                              thanks for the reply,
                              so correct its navigating with the user now i need to block but i see the log on squidguard

                              12.05.2021 19:45:34	(squidGuard): ldap_search_ext_s failed: Operations error (params: DC=casa,DC=local, 2, (&(memberof=CN=internet,CN=Users,DC=casa,DC=local)(userPrincipalName=administrador)), userPrincipalName)

                              Tutorials:

                              https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

                              M 1 Reply Last reply Reply Quote 0
                              • M
                                mcury @killmasta93
                                last edited by mcury

                                Try to tick that option in squidguard: Strip NT domain name.
                                If ticking it doesn't work, undo it..

                                dead on arrival, nowhere to be found.

                                M 1 Reply Last reply Reply Quote 0
                                • M
                                  mcury @mcury
                                  last edited by

                                  Test this:

                                  1 - Disable Squidguard authentication tab
                                  2 - Enable Squid authentication tab with the following details:

                                  Squid Authentication LDAP Settings > LDAP Base Domain:
                                  DC=casa,DC=local -R

                                  (-R option will enable the recursive search in domain).

                                  Note: keep the ldapusersearch the same as before, using port 3268

                                  Then try again and post here in case it works.

                                  dead on arrival, nowhere to be found.

                                  K 1 Reply Last reply Reply Quote 0
                                  • K
                                    KaP
                                    last edited by

                                    Google Chrome and other browsers from a certain version onwards (I can't say from which one) don't allow "Transparent" authentication without the Pop Up window appearing.
                                    So I don't think you will be able to accomplish what you intended.

                                    If I am wrong can you correct me please.

                                    1 Reply Last reply Reply Quote 0
                                    • K
                                      killmasta93 @mcury
                                      last edited by

                                      @mcury
                                      Thanks for the reply, so got it working, i used the pf2ad script
                                      but on ldap for squidguard how to add a group with a space the group is called domain users

                                      ldapusersearch ldap://apolo.casa.local:3268/DC=casa,DC=local?sAMAccountName?sub?(&(sAMAccountName=%s)(memberOf=CN=domain users%2cCN=Users%2cDC=casa%2cDC=local))

                                      Tutorials:

                                      https://www.mediafire.com/folder/v329emaz1e9ih/Tutorials

                                      1 Reply Last reply Reply Quote 0
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