Mailinglist Archive: opensuse-security (465 mails)

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Re: [suse-security] Connecting firewall directly to router ...
  • From: Søren Kent Jensen <soren@xxxxxxxxxxxxxxxxx>
  • Date: Mon, 3 Dec 2001 21:12:09 +0100
  • Message-id: <006701c17c36$cc5cda40$0223a8c0@xxxxxxxxxxxxxxxx>
I too had problems with proxy arp.

I got it to work (with help) by doing a 'arp -i eth0 -s 00:00:00:00:00:00 pub
Where eth0 is the outside if and is the outside IP address. And of cause the correct MAC address of that interface.
But it dident work before I added a route!!!! 'route add -host eth1'
Where eth1 is the inside of my firewall.

Hope you can make it work.

Søren Kent Jensen

----- Original Message -----
From: "Reckhard, Tobias" <tobias.reckhard@xxxxxxxxxxx>
To: "'Ray Leach'" <raymondl@xxxxxxxxxxxxxxxxxxxxxx>; "Reckhard, Tobias" <tobias.reckhard@xxxxxxxxxxx>; <suse-security@xxxxxxxx>
Sent: Monday, December 03, 2001 8:09 AM
Subject: RE: [suse-security] Connecting firewall directly to router ...

> > I read the man page for arp. It says that the kernel does
> > automagic arp if a
> > route exists between the subnets.
> Did you also do 'man 7 arp'? That page says that the interface in question
> has to have proxy arp enabled. It's a sysctl thing, check
> /proc/sys/net/ipv4/conf/<IF>/proxy_arp.
> Cheers
> Tobias
> --
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