auth_param basic program /usr/lib/squid/basic_ncsa_auth /etc/squid/squidusers
acl user1 proxy_auth REQUIRED
acl user1 src all
http_access allow user1
tcp_outgoing_address 10.18.149.5 user1


# Choose the port you want. Below we set it to default 3128.
http_port 3128

Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 eth0
10.64.64.64     0.0.0.0         255.255.255.255 UH    0      0        0 ppp0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0