iptables

Administration tool for IPv4/IPv6 packet filtering and NAT

Block IP address

   1 cat /var/log/auth.log | grep Failed
   2 iptables -A INPUT -s 14.39.42.133 -j DROP
   3 iptables -L
   4 apt install whois
   5 whois 14.39.42.133 

iptables (last edited 2023-09-29 08:58:08 by vitor)