Date: Mon, 31 Jan 2005 15:52:08 -0600 From: "Andras Kende" <andras@kende.com> To: "'eric wyzerski'" <ericwyzerski@hotmail.com>, <freebsd-questions@freebsd.org> Subject: RE: Ftp behind firewall/nat Message-ID: <20050131215159.18FA043D3F@mx1.FreeBSD.org> In-Reply-To: <BAY103-F180A299CFDBA6B09CAF140C07C0@phx.gbl>
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-----Original Message----- From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of eric wyzerski Sent: Monday, January 31, 2005 2:11 PM To: freebsd-questions@freebsd.org Subject: Ftp behind firewall/nat Hi, For a whole day I tried to make an ftp who is behind the firewall to work but Im not able. My ipf rules are: pass in quick from any to any pass out quick from any to any So it is not a ipf problem. My ipnat rules are: map rl0 10.0.0.0/8 -> 0/32 rdr rl0 X.X.X.X/32 port 21 -> 10.1.1.6 port 21 tcp where X.X.X.X is my external IP, rl0 my external interface and 10.1.1.6 the ftp server. I am able to login and when I do the dir command its freeze. I have do tcpdump and I see the SYN packet goes but its never get answer. I really need help/advise Thank you and please CC me the answer because im not in the list Eric _________________________________________________________________ Take advantage of powerful junk e-mail filters built on patented MicrosoftR SmartScreen Technology. http://join.msn.com/?pgmarket=en-ca&page=byoa/prem&xAPID=1994&DI=1034&SU=htt p://hotmail.com/enca&HL=Market_MSNIS_Taglines Start enjoying all the benefits of MSNR Premium right now and get the first two months FREE*. _______________________________________________ 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" Hello, This setup is only working with active ftp connections.. It's freezing at dir command because it's trying to do a passive connection You would need to setup the ftp server for serve passive connections and ipnat to redirect in a range of ports something like: PassivePortRange 5000 5010 - ftpd config rdr rl0 X.X.X.X/32 port 5000 -> 10.1.1.6 port 5000 tcp rdr rl0 X.X.X.X/32 port 5001 -> 10.1.1.6 port 5001 tcp rdr rl0 X.X.X.X/32 port 500x -> 10.1.1.6 port 500x tcp Or use only active ftp connections.. Andras Kende http://www.kende.com
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