Date: Fri, 31 Oct 2014 18:30:00 +0330 From: Hooman Fazaeli <hoomanfazaeli@gmail.com> To: Mark Felder <feld@FreeBSD.org> Cc: freebsd-net@freebsd.org Subject: Re: transparent udp proxy Message-ID: <5453A3F0.7010706@gmail.com> In-Reply-To: <1414764053.1422501.185543329.39B66970@webmail.messagingengine.com> References: <54535B82.405@gmail.com> <1414764053.1422501.185543329.39B66970@webmail.messagingengine.com>
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On 10/31/2014 5:30 PM, Mark Felder wrote: > I'm not sure if this is what you're looking for, but perhaps the > solution is in net/samplicator ? > > From the project's website: > > This simple program listens for UDP datagrams on a network port, and > sends copies of these datagrams on to a set of destinations. Optionally, > it can perform sampling, i.e. rather than forwarding every packet, > forward only 1 in N. Another option is that it can "spoof" the IP source > address, so that the copies appear to come from the original source, > rather than the relay. Currently only supports IPv4. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" Thanks. I do not thinks it provides what I am looking for. I am not looking for an application performing a specific task, but a mechanism to get the __original__ destination address and port of packets forwarded to a local UDP proxy by ipfw fwd rules. As I figured it out until now, The original destination address may be obtained by IP_RECVDSTADDR on 9.0+ (but not on 8.x and older versions) but there seems to be no mechanism get the _original_ destination _port_ (Apart from this missing mechanism, my proxy is functional and performs what it is intended to do). -- Best regards. Hooman Fazaeli
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