Hi all
i have setup Kerberos authentication with Windows 2019 domain using
Squid 5.1 ( The Squid version did not fix the issue - Tested 4.x and 5.x)
In some cases, some computers are not joined to the domain and ween need
to allow authenticate on Squid
To allow this, Basic Authentication is defined in Squid and we expect
that browsers prompt a login to be authenticated and access to Internet
But the behavior is strange.
On a computer outside the windows domain:
Firefox is be able to be successfully authenticated to squid using basic
auth.
Edge, Chrome and IE still try ujsing NTLM method and are allways
rejected with a 407
When edge, chrome and IE try to establish a session, Squid claim
2021/09/21 01:17:27 kid1| ERROR: Negotiate Authentication validating
user. Result: {result=BH, notes={message: received type 1 NTLM token; }}
This let us understanding that these 3 browsers try NTLM instead of a
Basic Authentication.
I did not know why these browsers using NTLM as they did not connected
to the Windows domain
Why squid never get the Basic Authentication credentials. ?
Did i miss something ?
Here it is my configuration.
auth_param negotiate program /lib/squid3/negotiate_kerberos_auth -r -s
GSS_C_NO_NAME -k /etc/squid3/PROXY.keytab
auth_param negotiate children 20 startup=5 idle=1 concurrency=0
queue-size=80 on-persistent-overload=ERR
auth_param negotiate keep_alive on
auth_param basic program /lib/squid3/basic_ldap_auth -v -R -b
"DC=articatech,DC=int" -D "administra...@articatech.int" -W
/etc/squid3/ldappass.txt -f sAMAccountName=%s -v 3 -h 192.168.90.10
auth_param basic children 3
auth_param basic realm Active Directory articatech.int
auth_param basic credentialsttl 7200 seconds
authenticate_ttl 3600 seconds
authenticate_ip_ttl 1 seconds
authenticate_cache_garbage_interval 3600 seconds
acl AUTHENTICATED proxy_auth REQUIRED
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