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【備忘録】IPTablesを使用したport開放

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IPTablesを使用してport開放を行う

ufwでのport開放ができなかったので、備忘録として書いておきます。

動作環境

・Ubuntu18.04LTS

#実際にやったコマンド
今回は8080を開ける場合とします。

#8080の開放
$ iptables -I INPUT -p tcp -m tcp --dport 8080 -j ACCEPT

#設定の保存
$ sudo iptables-save -c

#reboot
$ reboot

これで適当にnmapかなんかで、

$ sudo nmap -sS -sU -Pn -p 1-65535 <IP Address>

と実行し、自分が開けたいportが開いているかを確認できます。

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