[Gllug] linux routers, X.21 and leased lines

[Jim Bailey]

On Tue, May 14, 2002 at 09:43:01AM +0100, Ms. Lene Jensen wrote:
> On Tue, 14 May 2002, Jim Bailey wrote:
> 
> Hi there,
> 
> > A couple of years ago I helped set up one end of a 2mb dedicated link
> > between the company I then worked for and one of their clients the kit
> > we used was a cisco 2600 router.
> > 
> > Am I right in thinking a similar set up can be done using Linux as
> > a router and standard PC hardware or is there some special kit in Cisco
> > routers.
> 
> Yes, there are no problem in doing that.  You should have everything you 
> need in your linux box, depending on distribution/version.
>
Red Hat 7.3, I am a Debian man at heart but in a strange way I am looking
forward to the change and it will stop me becoming a total Debian bigot.
;-)

> > If I am right, are there people out there that may of done this, that
> > could advise as to any good resources, possible gotchas etc.
> 
> Turn on forwarding in the linux machine (can be done by turning 
> ip_forward on in /etc/sysctl.conf), set up an intelligen firewall using 
> iptables (best fw out there), set up a VPN client, if you want, but then 
> you _must_ remember to set up a fw on the client machine as well.  If 
> you don't, and someone breaks in to the client, they suddenly have free 
> access to your network as well.  That should be it, really, providing 
> you are after a simple gw.
>
Thanks very much I know who to annoy now with my Red Hat queries. ;-)

Peace Jim

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