Hi-te, Za sajalenie naposledak se otkriha dosta vulnerabilities - za obobshten list pogledni:
http://lwn.net/2002/0131/security.php3 W obshti linii ako smiatash che systemata e hack-nata potarsi za rootkit-owe i t.n. Razreshi dostap do SSH (dosta exploits w ssh naposledak :( samo ot IP-ta ot koito ti se wrazwash i t.n. Dobra ideia e da pusnesh script koito da srawniawa prez wreme za promeneni file-owe (/bin /etc ...) i da prashta mail ako nameri takiwa - az si napisah edin mnogo elementaren sas md5, znam che ima i programka na perl (zabrawih i imeto - freshmeat) deto prawi check za promeneni file-owe i atributi na file-owe ... Waobshte wsichko koeto shte ti pomogne da saberesh info ako stane problem. Kato osnowna ideia e da zabranish dostapa na wsichki oswen tezi koito triabwa da imat dostap (tcpwrappers, iptables ...) Emo On Saturday 02 February 2002 07:14 pm, you wrote: > Hi All, > > I stumbled into a problem on a server I'm running. It appears that the > $HOSTNAME enviroment on the system has changed to an > ip:193.137.206.26 . namerih tozi ip i v secure loga sshd did not resive > authentication string from ip 193.137.206.26. koeto za men znachi che ili > se e opital da se logne ili me e port scaniral > > uspiah da prosledia tova ip do subneta na niakakav universitet v > pourtugalia ?? (.pt) mat.uc.pt > > znachi mashinata e RedHat 7.2 , imam pusnati ssh, apache (http,https), > pop3,imap (chrez courier imap), i smtp (qmail/tcpserver), mysql > vsichki patchove ot red hat sa instalirani i gi podnoviavam redovno kogato > se poiaviat. > > Pri nalichnata po gore informatsia zapochvat da mi zvaniat kambanki v > glavata no machinata e kritichna, i parvo che niamam fizicheski dostap do > neia, vtoro ne moga da spara nishto ot gore prebroenite servises. Niakoi > moje li da mi pomogne s ideia savet. > > Yavor > > > =========================================================================== > A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) > http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora =========================================================================== A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
