[Linux-Discussion] Re: Where do I start with setting up a linux firewall/gateway?
- From: John Madden <weez@xxxxxxxxxxxxx>
- To: linux-discussion@xxxxxxxxxxxxx
- Date: Sun, 1 Apr 2001 15:28:51 -0500
> 1) DSL connection with fixed IP
> 2) Firewall/gateway between DSL network and my internal one, with full
> access to logging, configuration etc.
> 3) Multiple CPU's on a private network, all needing access to Internet
> 4) Internal server on which I'd like to make various services available
> to the outside world (apache, sendmail etc)
>
> Does masquerading allow for my number 4 (inbound rules)?
No, for that you'll need extra stuff. The problem there is that if you
don't have "real" IP's behind firewall, it can't be done without doing
port forwarding.
> Is there a simple document which covers starting from scratch and
> setting up the above requirements?
I hate to scrap your current progress, but I'd like to suggest/recommend
that you switch to kernel 2.4 and use IPtables/netfilter instead of the
soon-to-be-deprecated ipchains. See netfilter.samba.org. However, by
looking in the HOWTO's, you do have the right way of going about getting
things working.
John
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