Date: Mon, 12 May 2008 17:29:08 +0100 From: Vince Hoffman <jhary@unsane.co.uk> To: brad davison <demonichandextensions@hotmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: telnet to mail server from outside does not get 220, telnet from inside works Message-ID: <48287054.8000408@unsane.co.uk> In-Reply-To: <BLU116-W147BBFFAD4D53AFA72553FA1CC0@phx.gbl> References: <BLU116-W309DE8D93C9B937FFF824AA1CC0@phx.gbl> <20080512174741.U82158@wojtek.tensor.gdynia.pl> <BLU116-W147BBFFAD4D53AFA72553FA1CC0@phx.gbl>
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brad davison wrote: > > >> Date: Mon, 12 May 2008 17:49:07 +0200 >> From: wojtek@wojtek.tensor.gdynia.pl >> To: demonichandextensions@hotmail.com >> CC: freebsd-questions@freebsd.org >> Subject: Re: telnet to mail server from outside does not get 220, telnet from inside works >> >>> Trying ::1... >>> Connected to localhost.xxxxxxxxx.com. >>> Escape character is '^]'. >>> 220 email.xxxxxxxxx.com ESMTP Sendmail 8.13.8/8.13.8; Mon, 12 May 2008 10:01:39 -0400 (EDT) >>> >>> >>> >>> But if I try the same thing from 'outside' the firewall I get: >>> >>> %telnet email.xxxxxxxxxxxx.com 25 >>> Trying 67.x.x.x... >>> Connected to email.xxxxxxxxxxx.com. >>> Escape character is '^]'. >>> Connection closed by foreign host. >>> >>> >> sendmail try to connect to port auth of remote machine. your firewall >> probably blocks it just by dropping packets, so it tries until timeout >> >> telnet from outside, wait few minutes and you will get a prompt. >> >> change your firewall rules to fix it >> _______________________________________________ > > > You get the prize. > > We have a Cisco ASA, and everything works on port 587, but port 25 has cisco's 'Application Inspection' or something that I need to figure out how to turn off. > assuming its the same as for a pix (been a while since I used a cisco firewall ;) then it should be no fixup smtp (its one of the first things I used to turn off ;) vince > Thanks for the attention. > > _________________________________________________________________ > Make Windows Vista more reliable and secure with Windows Vista Service Pack 1. > http://www.windowsvista.com/SP1?WT.mc_id=hotmailvistasp1banner_______________________________________________ > 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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