On 19.04.2012 08:21, Usuário do Sistema wrote:
Hello, I'm with a strange issue. I have just take care for a environment that users get proxy by wpad. so far all it's work. the targeted wpad is deliver by DHCP ( Server Windows 2008 R2 ) that forwards to proxy squid. when I change the ip address of my target wpad what is my proxy squid ( I have done in the dns server ) some clients what are in static ip stop to work! from client I'm able ping to new wpad address but when I go to access the Internet by browse ( IE ) it still search for old ip address the wpad. where is the cache ?? some tips is welcome thanks
WPAD is auto-discovery (*AD) records pointing to a PAC file. It does not point at the proxy IP directly.
The PAC file logic decides which proxy (or none) is used and when. This file gets cached in the browser and updated on every restart of the browser.
http://wiki.squid-cache.org/SquidFaq/ConfiguringBrowsers#Automatic_WPAD_with_DNS Amos
