Date: Wed, 9 Jun 1999 14:34:46 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Peter Kok <peter@sweda.com.hk> Cc: freebsd <freebsd-questions@FreeBSD.ORG> Subject: Re: dmesg Message-ID: <Pine.BSF.4.03.9906091424450.3005-100000@resnet.uoregon.edu> In-Reply-To: <375B9067.4F4C5DFF@sweda.com.hk>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 7 Jun 1999, Peter Kok wrote: > i would like to know the meaning of the following message > > system:> dmesg > flood from 202.40.222.141 on 202.40.219.228:9080. Sending cookies. > Warning: possible SYN flood from 202.40.222.141 on 202.40.219.228:9080. > Sending cookies > Warning: possible SYN flood from 202.40.222.136 on 202.40.219.228:9080. > Sending cookies > fcntl_setlk() called by process 10092 (addits) with broken flock() > emulation > send_head NULL in tcp_retransmit_time Someone's attempting to DoS your computer. The machine recognizes this and is attemting to protect itself by issuing cookies to the responses to track their origin. I don't know what that fcntl_setlk() function call is about though. You should contact the owner of 202.40.222.141 or 202.40.222.136 and inform them their system is disrupting network traffic. Doug White Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve http://gladstone.uoregon.edu/~dwhite | www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.03.9906091424450.3005-100000>