Sendmail Logs

[Julian Field]

The "nocol" monitoring system will produce logs like this. Someone might be
running that to check if your systems are up and running. Pretty harmless
so long as they don't do it too much and waste your bandwidth/cpu.

At 17:58 24/10/2002, you wrote:
>This should probably go to a Sendmail list, so could someone recommend a
>good sendmail list please.  But . . .
>
>I keep getting the following in my logs:
>
>Oct 24 09:47:14 yoda sendmail[26342]: NOQUEUE: [63.123.249.67] did not
>issue MAIL/EXPN/VRFY/ETRN during connection to MTA
>Oct 24 09:48:49 yoda sendmail[26380]: NOQUEUE:
>1-1-242.customer.bct.cmailinc.com [130.94.244.242] did not issue
>MAIL/EXPN/VRFY/ETRN during connection to MTA
>Oct 24 09:56:35 yoda sendmail[26707]: NOQUEUE: [63.123.249.67] did not
>issue MAIL/EXPN/VRFY/ETRN during connection to MTA
>
>LogCheck 1.1.1 reports this as a possible security violation.  Should I
>be concerned?
>
>Steve Evans
>SDSU Foundation
>(619) 594-0653

--
Julian Field                Teaching Systems Manager
jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
Tel. 023 8059 2817          University of Southampton
                             Southampton SO17 1BJ