*filter | |
# Allows all loopback (lo0) traffic and drop all traffic to 127/8 that doesn't use lo0 | |
-A INPUT -i lo -j ACCEPT | |
-A INPUT ! -i lo -d 127.0.0.0/8 -j REJECT | |
# Accepts all established inbound connections | |
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT | |
# Allows all outbound traffic | |
# You can modify this to only allow certain traffic | |
-A OUTPUT -j ACCEPT | |
# Allows HTTP and HTTPS connections from anywhere (the normal ports for websites) | |
-A INPUT -p tcp --dport 80 -j ACCEPT | |
-A INPUT -p tcp --dport 443 -j ACCEPT | |
# Allows SSH connections | |
# | |
# THE -dport NUMBER IS THE SAME ONE YOU SET UP IN THE SSHD_CONFIG FILE | |
# | |
-A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT | |
# Allow ping | |
-A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT | |
# log iptables denied calls | |
-A INPUT -m limit --limit 5/min -j LOG --log-prefix "iptables denied: " --log-level 7 | |
# Reject all other inbound - default deny unless explicitly allowed policy | |
-A INPUT -j REJECT | |
-A FORWARD -j REJECT | |
COMMIT |
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