i guess it's just a timeout issue. maybe the host unknown[218.50.224.49] is trying to send you a large file.
hth. 'jopoy Mensahe ni Charles Nierva... > this is my log in maillog > > Jul 28 16:13:00 server postfix/smtpd[1523]: disconnect > from unknown[218.50.224.49] > Jul 28 16:13:03 server postfix/smtpd[1532]: connect > from unknown[211.189.199.215] > Jul 28 16:13:11 server postfix/smtpd[1381]: connect > from unknown[211.189.233.164] > Jul 28 16:13:12 server postfix/smtpd[1379]: connect > from unknown[210.101.56.241] > Jul 28 16:13:20 server postfix/smtpd[1524]: timeout > after EHLO from unknown[218.239.200.249] > Jul 28 16:13:20 server postfix/smtpd[1524]: disconnect > from unknown[218.239.200.249] > Jul 28 16:13:21 server postfix/smtpd[1521]: connect > from unknown[218.239.200.249] > Jul 28 16:13:22 server postfix/smtpd[1382]: timeout > after EHLO from unknown[211.189.226.183] > Jul 28 16:13:22 server postfix/smtpd[1382]: disconnect > from unknown[211.189.226.183] > Jul 28 16:13:29 server postfix/smtpd[1378]: connect > from unknown[218.239.246.235] > > Im not sure about this, Is this a flooding attack or > somewhat a DOS? > how will i lessen/limit this process because it eats > up my cpu resources? > > any idea about this log? > > TIA > > ===== > ========== > Charles Nierva > Davao City, Philippines > Registered Linux User #279469 > > __________________________________ > Do you Yahoo!? > Yahoo! SiteBuilder - Free, easy-to-use web site design software > http://sitebuilder.yahoo.com > -- > Philippine Linux Users' Group (PLUG) Mailing List > [EMAIL PROTECTED] (#PLUG @ irc.free.net.ph) > Official Website: http://plug.linux.org.ph > Searchable Archives: http://marc.free.net.ph > . > To leave, go to http://lists.q-linux.com/mailman/listinfo/plug > . > Are you a Linux newbie? To join the newbie list, go to > http://lists.q-linux.com/mailman/listinfo/ph-linux-newbie -- Jopoy C. Solano Systems Administrator MIS/Internet Tel# Local 164 YM:jopoysolano ----------------------- University of Baguio General Luna Road Baguio City Philippines 2600 Phone: +63(74)442-3540 Fax: +63(74)442-3071 http://www.ubaguio.edu -- Philippine Linux Users' Group (PLUG) Mailing List [EMAIL PROTECTED] (#PLUG @ irc.free.net.ph) Official Website: http://plug.linux.org.ph Searchable Archives: http://marc.free.net.ph . To leave, go to http://lists.q-linux.com/mailman/listinfo/plug . Are you a Linux newbie? To join the newbie list, go to http://lists.q-linux.com/mailman/listinfo/ph-linux-newbie
