Fount ddos attack on ubuntu server
netstat -nputw
given outout
Local Address Foreign Address State PID/Program name
55.57.72.37:59792 123.166.137.95:25000 SYN_SENT 2890/ip6tablesu.sh
I found on internet that 123.166.137.95
is China's ip address
How should I block outbound traffic to that address?