Force a user off the system
slay USERNAME
Linux Security
“Yes, I’m paranoid — but am I paranoid enough?” ― David Foster Wallace, Infinite Jest Hardening Public Servers Install system accounting On Debian based systems run ‘apt-get install acct’ then you can use commands lastcomm and sa to see who ran various comands. Also a log file will be writen to /var/log/account/pacct Remove compilers from production severs use the command ‘apt-get –purge remove gcc’ Setup remote logging See http://www.thegeekstuff.com/2012/01/rsyslog-remote-logging/ to find out how Install fail2ban Linux.com has a good intro to fail2ban http://www.linux.com/learn/tutorials/469597-weekend-project-keep-out-repeat-offenders-with-fail2ban-on-linux
My New Book on Squid Proxy Server (A Beginner’s Guide)
I have not blogged since a long time mainly because I was a bit busy authoring a book Squid Proxy Server 3.1: Beginner’s Guide for Packt Publications. The book is an introductory guide to Squid (especially the new features in Squid-3 series) covering both the basic aspects as well as the in dept details for …