From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Tennant Subject: Re: DNAT issue (with added network diagram) Date: Mon, 03 May 2010 16:21:24 +0200 Message-ID: <4BDEDBE4.3020803@imaginator.com> References: <4BDECE5A.4010808@imaginator.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=imaginator.com; s=mail; t=1272896490; bh=C3OIYlE1rWEdZMFwv4ImM9byM+4emOaQB8RKVe7qrz8=; h=Message-ID:Date:From:MIME-Version:To:CC:Subject:References: In-Reply-To:Content-Type:Content-Transfer-Encoding; b=BDlXKIekeenxsAAl0EKUzkTZ5F1uEFOQpnDz0/KKyRmw7h26l1UWso8TOgiH9pAnh mpGlEIcwOew6fqAIfoCXX+fTuVJNlMRsMjk+C88QX7WYPspigAvon0NlCPL0vL/CIi /5ts7SW3bdNrzPzFFwGuy+CJzHJ0kozPFqSoQWJc= DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=imaginator.com; s=mail; t=1272896485; bh=C3OIYlE1rWEdZMFwv4ImM9byM+4emOaQB8RKVe7qrz8=; h=Message-ID:Date:From:MIME-Version:To:CC:Subject:References: In-Reply-To:Content-Type:Content-Transfer-Encoding; b=HBGCVVvX72y2HvbbOQ92FXz9vhlowHRbJM9dugWUt0N8dpjiXOSjRNvxLN0ak/WcY 9kYRoDddbJI+MNCFsM4m3ynsofIrN98WBPa3Cl0PzQvrplTwzHTPdl7266h104fjS3 bVoigjR7Mh2Vl2FAxXnv5bAiEhya4p+HYxe6vti8= In-Reply-To: Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Jan Engelhardt Cc: netfilter@vger.kernel.org On 03/05/2010 16:01, Jan Engelhardt wrote: >> My question is what DNAT or SNAT rules do we need to add to cave or to maar so >> that remote *and local (originating from cave)* clients can make xmpp >> connecitons on 443 and end up on cave:5222?\ >> > Since they have all public addresses, no NAT is needed. > Just to clarify: both services run on one host. The second host (maar) doesn't host any services and shouldn't. It's role in this is just forwarding maar:443 -> cave:5222. Ordinarily I'd just have a listener for xmpp on cave:443 but that's taken by apache. Hence this packet wangling. S. -- Simon Tennant +44 20 7043 6756 (UK - office) +49 17 8545 0880 (Germany - mobile) +49 89 4209 55854 (Germany - office) skype: simontennant xmpp: simon@buddycloud.com