Symptoms of the rr.nu Wordpress Virus: Wordpress-based websites infected with the virus are redirecting visitors to a fake virus-scan website. The URL looks like http://*.rr.nu. When you check the files on your server, the following line is inserted into your .php...
internet security
Security basics with IPTables
When on the internet, there's always concerns of security. If you're listening on some services but not others, you need to modify the Linux firewall to allow this. Also, if there's undesirable clients accessing ports and hacking, IPTables is an effective...