Exist few problem with webproxy squidguard.

1. Problem with log files path in file /etc/squidguard/squidGuard.conf

dbhome //opt/vyatta/etc/config/url-filtering/squidguard/db
logdir /var/log/squid

must be

dbhome /opt/vyatta/etc/config/url-filtering/squidguard/db
logdir /var/log/squid3

2. Squidguard database never won't updated without command squidGuard -C all. If add or delete ulr, it will not applied . set service webproxy url-filtering ...