Date: Mon, 18 May 1998 15:13:39 -0400 From: Jared Mauch <jared@puck.nether.net> To: "J.A. Terranson" <sysadmin@mfn.org> Cc: freebsd-security@FreeBSD.ORG Subject: Re: hub.freebsd.org IDENT requests Message-ID: <19980518151339.E3376@puck.nether.net> In-Reply-To: <01BD824B.7FB9C100@w3svcs.mfn.org>; from J.A. Terranson on Mon, May 18, 1998 at 10:55:38AM -0500 References: <01BD824B.7FB9C100@w3svcs.mfn.org>
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My favorite is this:
May 18 01:47:59 puck sendmail[26336]: NOQUEUE: Null connection from hub.FreeBSD.ORG [204.216.27.18]
May 18 09:02:21 puck sendmail[31482]: NOQUEUE: Null connection from hub.FreeBSD.ORG [204.216.27.18]
I get these periodically. The only way you get these is if
someone connects to your smtp port and then does a "QUIT" without
doing anything else.
- Jared
On Mon, May 18, 1998 at 10:55:38AM -0500, J.A. Terranson wrote:
> * Cross posted to freebsd-security *
>
> hub.freebsd.org (and *only* hub.freebsd.org!) attempts an IDENT
> sequence when talking to our mailservers - the port 113 kind. These
> are *always* rejected (but the mail still gets accepted [obviously]).
>
> Why does your machine do this, i.e., what protocol is it trying
> to exec? AFAIK, SMTP does not support 113 authentication (plz correct
> me if I am mistaken)
>
>
> Very Truly Yours,
>
> J.A. Terranson
> sysadmin@mfn.org
>
>
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