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How to block ssh port in iptables

Hai.....

I am new for Iptables, i don' t know to block ssh port in iptables....!!!! please guide me block ssh port in iptables.

isaac
asked Aug 29, 2017
2 Answer
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I am also very interested in this question.

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douglasking
answered Feb 14, 2023
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Hai, First add the iptables rule for trusted ip's like bellow

#  iptables -A INPUT -p tcp -s ipaddress --dport 22 -j ACCEPT

Next add the rule for block other ip's

#  iptables -A INPUT -p tcp --dport 22 -j DROP

and save new iptables rules.

#  iptables -save
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piraisudanrajendran
answered Aug 29, 2017
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