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baslinux - Re: [BL] BL2 bare.i as gateway to internet, was Re: NFS on BL3

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  • From: 3aoo-cvfd AT dea.spamcon.org
  • To: baslinux AT lists.ibiblio.org
  • Subject: Re: [BL] BL2 bare.i as gateway to internet, was Re: NFS on BL3
  • Date: Fri, 08 Dec 2006 07:22:57 +1300

sindi keesan wrote:
>
> On the gateway computer I typed the ipchains lines (three of them
> including echo) to set up a firewall. On the other computer I typed
> route add default gw 192.168.1.2 so I could use the gateway computer to go
> on the internet. (Neither was needed to telnet between my computers).
>
> While still telnetted with busybox telnet, I could ping www.grex.org
> with the gateway computer and also with the other computer, which
> means both computers were online

That's what ipchains does.

> (via a telnetd that requires no password)

telnetd has nothing to do with it.

> Should I change this so root cannot log in via ttypN or
> is the firewall enough protection?

The firewall is NOT enough protection for your unauthenticated
telnetd. It is the worst thing you can run while online.

> I typed kill 48 right after testing ping.

Ping would still have worked after killing telnetd.

Cheers,
Steven




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