( Alucard | 2016. 12. 11., v – 19:55 )

Egy kis IPTABLES még maradt: szerintetek mit nem szeret a 21. sorban?

*filter

#  Allow all loopback (lo0) traffic and drop all traffic to 127/8 that doesn't use lo0
-A INPUT -i lo -j ACCEPT
-A INPUT -d 127.0.0.0/8 -j REJECT

#  Accept all established inbound connections
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

#  Allow all outbound traffic - you can modify this to only allow certain traffic
-A OUTPUT -j ACCEPT

#  Allow HTTP and HTTPS connections from anywhere (the normal ports for websites and SSL).
-A INPUT -p tcp --dport 80 -j ACCEPT
-A INPUT -p tcp --dport 443 -j ACCEPT

#  Allow SSH connections
-A INPUT -p tcp -m state --state NEW --dport 85 -j ACCEPT

#  Allow Samba connection
-A RH-Firewall-1-INPUT -p udp -m udp -s x.x.x.x/24 --dport 137 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -m udp -s x.x.x.x/24 --dport 138 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp -s x.x.x.x/24 --dport 139 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp -s x.x.x.x/24 --dport 445 -j ACCEPT

#  Allow DLNA connection
-A INPUT -s 192.168.1.203/24 -p tcp -m tcp --dport 8200 -j ACCEPT
-A INPUT -s 192.168.1.203/24 -p udp -m udp --dport 1900 -j ACCEPT

#  Allow Transmission connection
-A INPUT -m state --state RELATED,ESTABLISHED -p udp --dport 51413 -j ACCEPT
-A OUTPUT -p udp --sport 51413 -j ACCEPT

#  Allow ping
-A INPUT -p icmp --icmp-type echo-request -j ACCEPT

#  Log iptables denied calls
-A INPUT -m limit --limit 5/min -j LOG --log-prefix "iptables denied: " --log-level 7

#  Drop all other inbound - default deny unless explicitly allowed policy
-A INPUT -j DROP
-A FORWARD -j DROP

COMMIT

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Debian GNU/Linux