Linux 如何開放埠號

sudo vim /etc/sysconfig/iptables

# sample configuration for iptables service

# you can edit this manually or use system-config-firewall
# please do not ask us to add additional ports/services to this default configuration
*filter
:input accept [0:0]
:forward accept [0:0]
:output accept [0:0]
-a input -m state --state related,established -j accept
-a input -p icmp -j accept
-a input -i lo -j accept
-a input -p tcp -m state --state new -m tcp --dport 22 -j accept
-a input -j reject --reject-with icmp-host-prohibited
-a forward -j reject --reject-with icmp-host-prohibited
commit

-a input -p tcp -m state --state new -m tcp --dport 埠號 -j accept

-a input -p tcp -m state --state new -m tcp --dport 5005 -j accept

# sample configuration for iptables service

# you can edit this manually or use system-config-firewall
# please do not ask us to add additional ports/services to this default configuration
*filter
:input accept [0:0]
:forward accept [0:0]
:output accept [0:0]
-a input -m state --state related,established -j accept
-a input -p icmp -j accept
-a input -i lo -j accept
-a input -p tcp -m state --state new -m tcp --dport 22 -j accept
-a input -p tcp -m state --state new -m tcp --dport 5005 -j accept
-a input -j reject --reject-with icmp-host-prohibited
-a forward -j reject --reject-with icmp-host-prohibited
commit

sudo systemctl restart iptables

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