Great Circle Associates List-Managers
(June 1998)
 

Indexed By Date: [Previous] [Next] Indexed By Thread: [Previous] [Next]

Subject: Sendmail and IDENT protocol delays...
From: Mike Nolan <nolan @ celery . tssi . com>
Date: Wed, 24 Jun 1998 00:05:49 -0500 (CDT)
To: list-managers @ GreatCircle . com (List Managers)
Reply-to: nolan @ tssi . com

Chuq Von Rospach wrote:
> 
> Well, this week my firewall admin called to ask why my server was
> beating its head against the firewall. Seems I was flooding his logs
> with attempts to connect to various sites via port 113, which the
> firewall had plugged.
> 
> Port 113 is the IDENT port. It turns out that sendmail, starting about
> version 8.6, started attempting to do validations through IDENT, and
> this is turned on by default (IMHO, that's a mis-feature. It ought to
> be off by default). sendmail will send out the IDENT request and wait
> for a response.

Maybe unsuccessful attempts don't register, but I've got 8.8.8 on my
external firewall system and I get a boatload of IDENT calls logged every
day.  
--
Mike Nolan

Indexed By Date Previous: Re: Sendmail and IDENT protocol delays...
From: Ken Hooper <bighouse @ type2 . com>
Next: Re: Sendmail and IDENT protocol delays...
From: Chuq Von Rospach <chuqui @ plaidworks . com>
Indexed By Thread Previous: Re: Sendmail and IDENT protocol delays...
From: Chuq Von Rospach <chuqui @ plaidworks . com>
Next: Re: Sendmail and IDENT protocol delays...
From: Todd Vierling <tv @ pobox . com>

Google
 
Search Internet Search www.greatcircle.com