More log questions: May 12 15:38:05 kathweb named[2936]: wrong ans. name (www.merck.com != iserv.merck.com) May 12 15:38:05 kathweb named[2936]: wrong ans. name (www.merck.com != iserv.merck.com) Whats that mean? - Kath ----- Original Message ----- From: <[EMAIL PROTECTED]> To: "Kath" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Saturday, May 12, 2001 10:54 AM Subject: Re: [techtalk] Re: Log output (Whoops) > Kath wrote: > > > Sorry, stupid Outlook has some kind of shortcut key to autosend or > > something... > > > > here is the log: > > > > May 12 09:15:55 kathweb kernel: IP_MASQ:reverse ICMP: failed checksum > > from 61.11.12.152! > > May 12 09:21:48 kathweb kernel: IP_MASQ:reverse ICMP: failed checksum > > from 61.11.12.152! > > If there's only a few, it means that there's some sort of minor > glitch between source and destination. > > If there's a lot, it *MIGHT* mean someone's trying a man-in-the-middle > attack. > > All it really means is that some packets were bad - the checksum > (a means of verifying packet correctness) didn't match with what > it should have been. > > > > Jenn V. > -- > "Do you ever wonder if there's a whole section of geek culture > you miss out on by being a geek?" - Dancer. > > [EMAIL PROTECTED] Jenn Vesperman http://www.simegen.com/~jenn/ > > > _______________________________________________ > techtalk mailing list > [EMAIL PROTECTED] > http://www.linux.org.uk/mailman/listinfo/techtalk > _______________________________________________ techtalk mailing list [EMAIL PROTECTED] http://www.linux.org.uk/mailman/listinfo/techtalk