Date: Thu, 24 Feb 2000 17:51:52 -0600 From: "Jeffrey J. Mountin" <jeff-ml@mountin.net> To: Stuart Henderson <sthen@naiad.eclipse.net.uk> Cc: security@FreeBSD.ORG Subject: Re: FWTK for SMTP Message-ID: <3.0.3.32.20000224175152.007e07a0@207.227.119.2> In-Reply-To: <20000224203503.K54067@naiad.eclipse.net.uk> References: <20000224205144.A31621@nsfws7.ansf.alcatel.fr> <20000224114310.PVOW28348.mta04.onebox.com@onebox.com> <200002241429.GAA11133@cwsys.cwsent.com> <20000224205144.A31621@nsfws7.ansf.alcatel.fr>
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At 08:35 PM 2/24/00 +0000, Stuart Henderson wrote: >> >> Anti-spam Patches do exist : check http://www.fwtk.org/fwtk/patches/patches.html#2.2 > >Check correct operation of your server after applying >these patches. Specifically, check that smapd doesn't do >this... > >20:24> /usr/home/sthen:naiad$ telnet ##### 25 >Trying #####... >Connected to #####. >Escape character is '^]'. >220 ##### SMTP/smap Ready. >helo naiad.eclipse.net.uk >250 (naiad.eclipse.net.uk) pleased to meet you. >mail from: <> >Connection closed by foreign host. >[status 1] That's nasty. Why doesn't it send back a 5xx error for an empty envelope value? A lot of mailer-daemon error messages are sent with a blank like this and without an error code... Should see how much the code has improved. Last time I looked a newer version the coding style still left a bit to be desired, IMO. Jeff Mountin - jeff@mountin.net Systems/Network Administrator FreeBSD - the power to serve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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