[Gllug] local DNS with smoothwall or IPcop?

[Steve Nicholson]

Simon
Fantastic, thanks for you reply on this and for the update on the missing option.  I'll have a quick look through the iptables man page and give it a try.  I figure I should be able to do a script so I can easily login and turn it on/off as I require it.

Steve.

On 13 Nov 2002 14:27:24 +0000 Simon A. Boggis wrote:

> Oops, whilst cutting and pasting those together I lost the "-p tcp"
> which would be needed with "--dport 80".
> 
> Simon
> 
> On Wed, 2002-11-13 at 13:34, Simon A. Boggis wrote:
> > iptables -t nat -I PREROUTING 1 -d 1.2.3.4 --dport 80 -j DNAT
>                                              ^ insert "-p tcp"
> > --to-destination 5.6.7.8
> 
> > 
> > iptables -t nat -I POSTROUTING 1 -d 5.6.7.8 --dport 80 -j SNAT
>                                              ^ insert "-p tcp"
> > --to-source 5.6.7.254
> 
> > If you want to redirect all traffic remove the "--dport 80"
>                                                   ^ insert "-p tcp"
> 
> -- 
> ----------------------------------------------------------------------
> Dr Simon A. Boggis                                  Systems Programmer
> Department of Computer Science,                     Tel. 020 7882 7522
> Queen Mary, University of London, London E1 4NS UK. 
> ---- GPG public key <http://www.dcs.qmul.ac.uk/~simon/#publickey> ----
> 
> 
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