My squid configuration

proxy port3128

auth_param basic program /usr/lib/squid/ncsa_auth /etc/squid/passwd
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
auth_param basic casesensitive off

acl mynet proxy_auth REQUIRED
http_access allow mynet
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Dansguardian configuration

port 8080

i create 3 groups

one group allow to view gmail.com,yahoo,msn and rediff.com but clients cant chat gmail.com chat and yahoo chat. how to block.

can able to redirect iptables to 8080 port.

my server have 2 lan card, one have eth0 have public ip,eth1 ip address 192.168.10.3

please refer me

regards
vijay

ou could try something alone the lines of

$IPTABLES -t nat -A PREROUTING -i $LAN_IFACE -p tcp --dport 3128 -j REDIRECT --to-port 8080

but not sure exactly what you are trying to achieve.