Someone might attack on your system. You can drop attacker IP using IPtables. However, you can use route command to null route unwanted traffic. A null route (also called as blackhole route) is a network route or kernel routing table entry that goes nowhere. Matching packets are dropped (ignored) rather than forwarded, acting as a [...]
My ISP provided me 5 free email ID, each with 1 GB size. However, one of the POP3 account has been spammed with over 2500+ spam messages. Getting those entire messages will not just waste my time but bandwidth too. Sample shell script to delete all emails from POP3 server So here is small shell [...]
Almost a year ago, I wrote about Linux MRTG configuration how-to. However, some user seems to confused with MRTG, most users would like to see how much traffic actually generated by ADSL/Cable service provider on daily and monthly basis.