[squid-users] Authentication popup screen doesn't appear

Hi,

I'm having a small problem with Squid authentication. My conf regarding
this is the following:

auth_param basic program /usr/local/bin/smb_auth -W HGUV
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
acl domainusers proxy_auth REQUIRED
acl our_networks src 10.36.192.0/22
http_access allow our_networks
http_access allow localhost
http_access allow domainusers
http_access deny all

Everything seems to work with the program smb_auth:

luna:/usr/local/bin# ./smb_auth -W HGUV -d
fruza q1w2e3r4
Domain name: HGUV
Pass-through authentication: no
Query address options:
Domain controller IP address: 10.36.192.23
Domain controller NETBIOS name: HPSEROFI2
Contents of //HPSEROFI2/NETLOGON/proxyauth: allow
OK

However, when I use a browser (mozilla or IE) it doesn't popup the
authentication screen for the user and I'm able to visit any web site.
Is this normal ?? Any reply will be apreciate.

Thanks in advance,

Note: I'm using Debian Sid with squid version:
Squid Cache: Version 2.5.STABLE2
configure options: --prefix=/usr --exec_prefix=/usr --bindir=/usr/sbin
--sbindir=/usr/sbin --libexecdir=/usr/lib/squid --sysconfdir=/etc
--localstatedir=/var/spool/squid --datadir=/usr/share/squid
--enable-async-io --with-pthreads --enable-storeio=ufs,aufs,diskd
--enable-linux-netfilter --enable-arp-acl
--enable-removal-policies=lru,heap --enable-snmp --enable-delay-pools
--enable-htcp --enable-poll --enable-cache-digests --enable-underscores
--enable-referer-log --enable-useragent-log i386-debian-linux

--
Fernando Ruza
e-mail: feruza@terra.es
Tlf: 661123845
Yahoo! Messenger id: fruza
Linux user: #273644 (http://counter.li.org)
Debian Sid (Kernel 2.4.20)
"In an internet without fences ... who needs 'gates'"