[lug] Thanks!!! Was Multiple Questions

[Shannon M. Johnston]

Thanks, do you know where I could find info on ssh?

"Pedersen, Michael J" wrote:

> Basically, analyze what you will be offering.  Turn off everything else.
> For instance, you will most likely have a web server.  Open up port 80 on
> this firewall.  ssh would be a good replacement for telnet, meaning you
> would open up port 22. If you wish to offer ftp, open up that port (I
> believe it's port 25, but am not sure).  You'll also want to open up the
> ports for DNS, 53.  Everything else, though, should be closed unless you
> have a very good reason, and fully understand what could happen to security
> with those services.
>
> Also, pay attention to the fact that when dealing with TCP/IP traffic, you
> actually have to firewall against tcp, udp, and icmp traffic.  Three
> separate protocols, and each one needs to be allowed through on a limited
> basis.
>
> > -----Original Message-----
> > From: Shannon M. Johnston [mailto:Nunar at mauromedia.net]
> > Sent: Friday, November 19, 1999 12:34 PM
> > To: expert at linux-mandrake.com; lug at lug.boulder.co.us
> > Subject: [lug] Thanks!!! Was Multiple Questions
> >
> >
> > First off I want to thank everybody for the great answers
> > that I got to
> > my questions.
> > I now feel more comfortable in my position.
> > I do have one more thing...
> > What should I need to know to set up a secure firewall?
> >
> > Thanks again,
> > Nunar
> >
> >
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