Linux İşletim Sistemleri için Ssh Üzerinde Port Açma ve Kapatma

Merhaba arkadaşlar bir çoğunuzun işine yarayacağını düşündüğüm port açma ve kapatma komutu ile sizde gerekli olan işinize yarayan protları açıp kapatabileceksiniz.

Port Açma :

Kod:

iptables -A INPUT -p tcp --dport <PORTNUMARASI> -j ACCEPT
iptables -A INPUT -p udp --dport <PORTNUMARASI> -j ACCEPT

Port Kapama :

Dışardan içeriye gelen istekleri kapatmak için :

Kod:

i

ptables -A INPUT -p tcp --dport <PORTNUMARASI> -j REJECT
iptables -A INPUT -p udp --dport <PORTNUMARASI> -j REJECT

İçerden dışarıya giden istekleri kapatmak için :

Kod:

iptables -A OUTPUT -p tcp --dport <PORTNUMARASI> -j REJECT
iptables -A OUTPUT -p udp --dport <PORTNUMARASI> -j REJECT

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