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Unix World on Setting up a Linux Net Servers 11

An anonymous reader wrote in to say that "Unix World is running a series of tutorials on configuring services on Linux. This is part 4, but there are links to the previous secitons. Topics include: HTTP, FTP, Telnet, inetd, Firewalling, Mail services and more. find it here "
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Unix World on Setting up a Linux Net Servers

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  • actually...if you want to say you're a true geek, you were number 0.

    (:

    -xyster
  • ... I like the fact that he uses Slackware as a base for his tutorials ;-)

  • Would anyone be interested in an article on how to setup Apache to do Authentication against an NT domain?

    I've just done this at work and it wasn't trivial - and I had to "fly by the seat of my pants", since there wasn't any documentation I could find on it.

    Anyway it works rather well, so if anyone wants some sort of article on that I'd be pleased to provide it. Mail me directly (unmunge the e-mail address) if you're interested.
  • This was a very well written article.

    Now if those "linux howto / faq" guys could take lessons from Paul Dunne in writting / explanation this would save me some trouble. But hard to read documentation is better than no documentation at all.
  • Has an embedded space in it. Use this instead [networkcomputing.com]
  • There is a good firewall article previous to this one for those that don't understand firewalling. I'd also recommand the HOWTO on IP-Masquerading -- another good source of info.

    BTW, there are a few things he didn't mention:

    - You should flush out the old rules before inputting your new rules and setting the default action, just to ensure that any previous rules are gone:

    ipfwadm -I -f
    ipfwadm -O -f
    ipfwadm -F -f

    - Rules can sometimes be redundant. If your default action is "deny", you'll find that a lot of your deny rules won't really do anything, unless the packets they deny are a subset of the packets accepted by a later rule.

    - The more rules you have, the slower the packets will traverse the firewall. Make sure you balance your security needs with your speed. Fewer, simpler rules will save you some headache.

    Anyways, have fun and remember: a Linux box can replace an NT Server box with lower cost and higher speed. I have proof. :)
  • Augh... looks like I'll have to spend some more time learning Linux firewalling. Thanks for the pointer.

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