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03.09.2006 at 06:18PM PST, ID: 21768125
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8.8

IPTABLES for SQUID ONLY Proxy

Asked by DingDang in Linux Network Security

Tags: ,

Hi,

I'm using RHEL3 and wish to convert it into SQUID PROXY box. On top of that, the box will also be a gateway for all clients to access the POP3 (110) and SMTP (25) directly from the net. It will also serves as DHCP server.

I have 2 NIC, eth0 (LAN) and eth1 (Internet) with eth1 having a static internet IP and eth0 having a normal 192.168.0.1.

Now, I don't have any problem with SQUID and the transparent proxy (forwarding 80 to 8080), the problem is i need to forward all internet trafic that can handle by the squid's safe port (default setting) to SQUID. That means, not only port 80, but as well as FTP, https, and others (except for DHCP service, port 110 and port 25).

Nobody from the internet can connect to any services running on the SQUID except Webmin and SSH. Clients will be forced to use SQUID regarding what ports they are connecting to (not only port 80). LO can access anything in and out.

Can you please help me to construct a good IPTABLES based on this requirement?Start Free Trial
[+][-]03.10.2006 at 12:42AM PST, ID: 16152833

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[+][-]03.10.2006 at 05:45PM PST, ID: 16160699

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[+][-]03.11.2006 at 05:24AM PST, ID: 16162659

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About this solution

Zone: Linux Network Security
Tags: squid, iptables
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Solution Provided By: ahoffmann
Participating Experts: 1
Solution Grade: A
 
 
[+][-]04.19.2006 at 02:14PM PDT, ID: 16492597

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[+][-]04.24.2006 at 04:31AM PDT, ID: 16523678

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