gistfile1.txt

# Dropping incoming connections that don't have explecit rules bellow
:INPUT DROP [68:4456]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [1628:151823]
 
# Allow established connections for both public and private connections
-A INPUT -i eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT
 
# Opening ports wide open for FTP(21), SSH/SFTP(22), SMTP(25), HTTP(80), POP3(110), IMAP(143), HTTPS(443), and MySQL(3306), 
-A INPUT -p tcp -m tcp --dport 21 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 25 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 110 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 143 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 443 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 3306 -j ACCEPT

# Commmiting the rules to the firewall
COMMIT