Can you add a Date-Header please ??? I am filtering my around 1700 Mails (Lists) each day and only yours give me permanetly Errors !!!
Michelle Konzack Systemadministrator Am hat P.Ook geschrieben: > >The logs are from a firewall box serving a small student net. I'll investigate if >people in this net are using services from 'speedera', as all the ips seems to belong >to that company. > >Thank you very much for your help. >Bye. > > MA.Varó > >> -------Mensaje original------- >> De: "Andy Coates" <[EMAIL PROTECTED]> >> Fecha: 10/10/102 23:55:22 >> >> > El 10 de oct de 2002, a las 09:31 +0000, P. Ook escribio: >> > > Hi all, >> > > >> > > I've found 'synchronized pings' in my logs from several >> > hosts all around the world. >> > > Today they where 11 hosts more or less doing ping to my >> > Debian box at the same time >> > > (11 pings in the same second). Sure this is not a DOS >> > attack, almost for my server, >> > > but i can't understand why they are pinging me all at the >> > same time, three o more >> > > times a day. Any ideas? >> > > >> > > Searching in the logs I found pings from same of theese >> > hosts a month ago, but in that >> > > days they were only 3-5 hosts pinging me at the same time... >> > > >> > > Thank you very much in advance. >> > ------ Fin de mensaje original ------ >> > >> > Hi!! >> > >> > These could be what people said "smurf attack". Take a look at: >> >> If it was a smurf attack, you'd see pings from hosts on the same subnet >> (since the idea is one echo results in more than one reply). Since >> they're all different in his logs, this basically rules smurf out. >> >> If you check the IPs, they all belong to one company (SPEEDERA) who >> specialise in content delivery. I'm guessing someone in your network >> (or even yourself) is viewing some sort of media they distribute, and >> one of the techniques for finding the closest distribution point to you >> could be a simple ping test. >> >> Akamai do it if I recall, and these people seem very similar. They >> usually welcome requests to stop testing, since some people do get >> annoyed. >> >> HTH, >> Andy. >> >> >> >______________________________________________________ >Consigue tu e-mail gratuito en Lycos. Entra en http://www.lycos.es >Consigue tu propio Hosting y Dominio al mejor precio: http://webcenter.lycos.es/ >Elvis vs JXL ya a la venta http://www.lycos.es/webguides/especial/elvis/ > > > ########## Get the Power of Debian/GNU-Linux ##########
