[lug] Thanks!!! Was Multiple Questions

[Pedersen, Michael J]

There's a free work-alike over at www.openssh.org.  Also, if you want the
original (for whatever reason), you can go to www.ssh.fi for it.

> -----Original Message-----
> From: Shannon M. Johnston [mailto:Nunar at mauromedia.net]
> Sent: Friday, November 19, 1999 2:30 PM
> To: lug at lug.boulder.co.us
> Subject: Re: [lug] Thanks!!! Was Multiple Questions
> 
> 
> 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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> 
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