From: Nick Drage <nickd@metastasis.org.uk>
To: netfilter@lists.netfilter.org
Subject: Re: No internet connection
Date: Thu, 9 Sep 2004 17:00:53 +0100 [thread overview]
Message-ID: <20040909160053.GN8419@metastasis.org.uk> (raw)
In-Reply-To: <1094742137.14416.3.camel@wolfpack.ljm.dom>
On Thu, Sep 09, 2004 at 11:02:18AM -0400, Jason Opperisano wrote:
> On Thu, 2004-09-09 at 10:40, Giancarlo Boaron wrote:
> > Ok. I made my iptables script and I forgot to handle
> > the DHCP protocol. So, my firewall box gets its IP
> > address via DHCP. Thats a nice thing to test.
>
> for the sake of the list archives:
>
> # DHCP server -> client
> iptables -A INPUT -p udp --sport 67 --dport 68 -j ACCEPT
>
> # DHCP client -> server
> iptables -A OUTPUT -p udp --sport 68 --dport 67 -j ACCEPT
Not wishing to be paranoid, buuuuuuuuutttttttt..... couldn't you
usefully restrict those by source and destination IP?
--
mors omnia vincit
next prev parent reply other threads:[~2004-09-09 16:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040909144044.27300.qmail@web50208.mail.yahoo.com>
2004-09-09 15:02 ` No internet connection Jason Opperisano
2004-09-09 16:00 ` Nick Drage [this message]
2004-09-09 16:25 ` Jason Opperisano
2004-09-09 17:00 ` Aleksandar Milivojevic
2004-09-10 14:49 No Internet Connection Giancarlo Boaron
2004-09-10 15:33 ` Jason Opperisano
2004-09-10 16:41 ` Aleksandar Milivojevic
2004-09-10 16:56 ` Jason Opperisano
2004-09-10 17:24 ` Aleksandar Milivojevic
2004-09-10 17:28 ` Giancarlo Boaron
-- strict thread matches above, loose matches on Subject: below --
2004-09-09 14:06 No internet connection Piszcz, Justin Michael
2004-09-09 14:04 Giancarlo Boaron
2004-09-09 14:15 ` Jason Opperisano
2004-09-09 16:02 ` Nick Drage
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