[squid-users] Re:Re: [squid-users] Puzzled at the ports squid is using. :-(

Thanks, Rob pal!

What means "stateful inspection" in your reply?

Best regards,
George Ma
----- Original Message -----
From: Simon White
To: squid-users@squid-cache.org
Subject: Re: [squid-users] Puzzled at the ports squid is using. :-(
Sent: Mon May 13 19:31:00 CST 2002

> 13-May-02 at 19:21, maer727@sohu.com (maer727@sohu.com) wrote :
> > IMHO. I think when squid transfers HTTP request and receives HTTP
> > response, squid will only use port 80 and no other ports are using
> > when doing the above two tasks. Am I correct?
>
> No. Squid will send requests on port 80, and receive replies on a random
> port above 1024. That's how all basic TCP/IP communication works, apart
> from for specific applications in a (generally) closed client-server
> environment, or for specific security reasons (VPN, etc).
>
> You have to allow related communications back to Squid. A firewall with
> stateful inspection should do this for you by adding the appropriate rule.
>
> Regards,
>
> --
> [Simon White. vim/mutt. simon@mtds.com. GIMPS:14.34% see www.mersenne.org]
> Microsoft isn't the answer.
> Microsoft is the question, and the answer is no.
> [Linux user #170823 http://counter.li.org. Home cooked signature rotator.]
Received on Mon May 13 2002 - 06:39:19 MDT