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Old 12-27-2002, 07:40 AM   #1
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Post New Installation As Server - Advice Solicited About Various Issues

I am going to be installing a proxy/firewall system (first time) for a 35 machine network on a P2-450 with 324Mb RAM and a single 40 IDE 5400 rpm HDD. The Linux distro I have been given is Red Hat 8.0 (I can't change the choice).

I am required to set up a firewalled proxy server that keeps the 'outside world' outside. I know a bit about Squid (will it even run properly on the above system?) and have basic networking knowledge. I haven't worked on Linux much either but am 'functional' sufficiently.

What I can't decide on is what to use on this system to get the desired effects. We want firewall *and* local caching. We also want all validated requests (perhaps thru a maintained auth list) for any protocol to be supported for protocols like Telnet, SMTP, NNTP, FTP and even IRC (*with* DCCs... oh man!) besides the regular HTTP. :P

What makes it more soup is this: We want a local mailserver and I am exploring the concept of 'conditional' SMTP -- if the To: is @defined.domain then the mail is handled through internal SMTP/POP server but if it is anything else, it is passed on to the default SMTP server as defined in the proxy.

Dunno how complicated it sounds to you but I'm going bonkers. I'd really really really appreciate it if somebody can just analyse the whole thing and suggest a solution a newbie can implement - right from the RH 8.0 installation -- something like Install RH 8.0 with these packages, install package A, then package B, then package C, etc. The configuration questions (if I run into problems can be tackled later I guess? but pointers would be appreciated too).

Old 12-27-2002, 01:02 PM   #2
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I don't think you can go wrong with installing RH 8.0 and awaiting someone who knows how to help with those specifics. Your system specs seems better than other machines I've known to be used for similar tasks.
Old 01-03-2003, 08:06 PM   #3
Registered: Nov 2002
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I am a redhat user, and red hat will do a great job.
but if you are looking for simpliciti, check this guys out.

I try them they are amazing products
Old 01-04-2003, 03:59 PM   #4
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For firewall setup, check out Guarddog from - make sure you've installed the KDE libs first.
Old 01-04-2003, 10:38 PM   #5
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I run a somewhat similar setup to yours. P3-800 with 256MB RAM and mirrored 60GB IDE 5400RPM drives, RedHat 7.3. It's running Squid proxying for about 35 machines.

In RedHat 8.0 for some reason I've not dug into yet they seem to be favoring Privoxy over Squid now. Taking a very quick look at it looks good. I'm sure Squid will run on RH8, you just might want to look at this other one and see if it suits your needs any better. RedHat is liable to have easier setup/administration of it since it seems to be the new proxy of choice for them. I have Squid tweaked how I like it though and am reluctant to change. Banner ad removal, pop-up window auto-closing and I bandwidth limit on a per file extension/mime type basis. .JPG files get a decent speed, .MP3s crawl at a very slow speed.

Other than that my only comment would be that you're talking about running quite a few apps with open external TCP/UDP connections on a *firewall* machine... Be careful.
Old 01-04-2003, 10:48 PM   #6
Registered: Aug 2001
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A note about Privoxy.. As I said, I have no experience with it other than seeing that RedHat is pushing it over Squid in RH8. It might not be suitable for you (or me either) though.

From the FAQ:

3.16. How can I make Privoxy work with other proxies like Squid?
This can be done and is often useful to combine the benefits of Privoxy with those of a caching proxy. See the forwarding chapter in the user manual which describes how to do this.

So it's not a caching proxy... With limited bandwidth Squid works great in this respect and it's something I don't want to live without.


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