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Re: ip masquerade : which one?



On Tue, Apr 17, 2001 at 12:38:30AM +0200, Willi Dyck wrote:
| On Mon, Apr 16, 2001 at 04:35:26PM -0400, D-Man wrote:
| > 
| > I see there are 2 HOWTOS for IP Masquerading and (correspondingly) 2
| > packages.  Should I be looking at "ipmasq" or "ipchains"?  How much
| 
| If you're using kernel versions older than 2.4.0 you're about to use
| ipchains. The IPCHAINS HOWTO explains how to install and
| configure ip-firewalling chains software. And the IP-Masquerading HOWTO
| explains how to enable IP-Masq under Linux.

This doesn't quite answer my question, but it might be heading in the
right direction.  I want to know the difference between ipchains and
ipmasq.  Would I be correct if I said :
    Firewalling and Masquerading are 2 different things, handled by 2
    different apps, and I want both ipchains and ipmasq?

| > breakage (aka relearning) would I need to do if I went with a 2.4
| > kernel and iptables instead?  (I don't know the masq stuff yet so that
| > would only be 'learning', not 'relearning',  but how much other stuff
| > is radically different?)
| 
| I'd say, if you haven't dealt with ipchains nor iptables then you should
| take the time and learn iptables, because in the long run it'll remain.
| They both differ a little but are very similar. Check this one for
| more information on iptables:
| 
| http://netfilter.filewatcher.org/
| 
| The netfileter HOWTO also explains the difference between iptables and
| ipcahins.

The line :

 MASQ is now MASQUERADE

seems to indicate that ipchains and iptables both handle masquerading.
If that is true, how does the ipmasq package fit in with this?

Thanks for the info,
-D



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