Date: Sat, 2 Dec 2006 10:34:43 -0500 From: Derrick Edwards <derrick@uniquestrength.net> To: freebsd-questions@freebsd.org, joe@joeholden.co.uk Cc: Kurt Dethier <kurt-list-freebsd@androme.com>, Marwan Sultan <dead_line@hotmail.com> Subject: Re: VoIP behind NAT and FreeBSD Message-ID: <200612021034.45192.derrick@uniquestrength.net> In-Reply-To: <45718C19.2000809@joeholden.co.uk> References: <BAY104-F30F0B4D35C184F62F5B789AD90@phx.gbl> <45718A77.3090107@androme.com> <45718C19.2000809@joeholden.co.uk>
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On Saturday 02 December 2006 09:22, Joe Holden wrote: > Kurt Dethier wrote: > > Marwan Sultan wrote: > >> Hello All, > >> > >> Well, maybe the subject says all, > >> Im running 6.1R acting as NAT, gateway ofcourse, hotspot. > >> I have many clients trying to use Vonage, motorola, VoIP devices and > >> and few more products. > >> > >> The problem is as its described in some websites.. > >> They can call, receive a call, hear the dailtone but no one can hear > >> the other party. > >> > >> After researching i found out there is a problem iusing FreeBSD NAT > >> with voip protocols. > >> > >> i have been advised to use STUN servers, (Simple Traversal of UDP > >> through NATs.) > >> I found out there is net/stund port and its installed successufly! > >> but still lost. > >> > >> Can someone kindly and please shade a light on howto > >> make voip behind NAT works in my FreeBSD ? im in trouble because of > >> this. > > > > Hi Marwan, > > STUN will only work if you have the correct NAT implementation on > > your gateway. If you are using pf, you get what the STUN RFC calls > > a symmetric NAT. STUN will not help you in such an implementation. > > I'm not sure how the other NAT solutions on FreeBSD are implemented. > > > > If you need a solution for a symmetric NAT, you need something that > > understands the signaling protocol and can add fw/nat rules on demand > > on your gateway, or a media proxy (like TURN). > > > > Kurt > > It is entirely possible to use voip behnd symmetric nat, but it also > entirely depends on the setup, some more details will help. > > Ta, > Joe Hi, I am not sure of your setup either, but I have Vongae working behind a FreeBSD Firewall/Router using PF with NAT. Vonage Traffic viewed via PFTOP. udp Out 172.16.1.1:10000 69.59.242.83:10000 MULTIPLE:MULTIPLE 2688m 48 18146 9967K udp Out 172.16.1.1:10112 69.59.243.178:12044 MULTIPLE:MULTIPLE 61 33 3382 674816 udp Out 172.16.1.1:10113 69.59.243.178:12045 SINGLE:NO_TRAFFIC 56 2 14 2348 v/r Derrick > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"
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