How to stop Small #DDOS attacks (Some basic security advice)
▻http://rockdio.org/ayudatech/how-to-stop-small-ddos-attacks-some-basic-security-advice
This is a more or less step by step guide intended for begginers to help stabilize the linux server and prevent further attacks.
There are some basic settings you should have already implemented in your linux server as part of security 101 but this is not always the case and also it is not enough.
Questions and Answers:
– Limiting the ammount of concurrent connections from the same IP address to your Server.
– Identifying the offending IP.
– And kill the Ongoing TCP Connections with TCPKILL.
– Or use Cutter to kill the connections on any port/Network interface.
– Drop it With #Iptables.
– Make the DROP Persistant after a reboot. (iptables save and restore)
– Basic Iptables-save trouble shoot.
– Stop Start Iptables