Solution for avoid to capture password between Browser - Squid

[Javier Enrique Tiá Marín <javier@eftssc.co.cu>]

Hi:

I'm looking alternative a VPN and IPSec for avoid to capture the password 
between Browser (IE, iceweasel) and Squid,

I read [1], it will be the idea, somebody post a example, howto, etc and
if use a LDAP backend much better.

Another solution?

[1] http://www.ietf.org/rfc/rfc2617.txt

TIA,
-- 
jetm