{"provider_url":"https://hatena.blog","height":"190","blog_title":"OpenTecMemo \uff0f \u30aa\u30fc\u30d7\u30f3\u30c6\u30c3\u30af\u30e1\u30e2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fopentec.hateblo.jp%2Fentry%2F2018%2F04%2F30%2F000000\" title=\"VPN\u30dd\u30fc\u30c8\u30c6\u30b9\u30c8(CentOS6\u3067) - OpenTecMemo \uff0f \u30aa\u30fc\u30d7\u30f3\u30c6\u30c3\u30af\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"yum install nc # iptables\u306b\u8ffd\u52a0vi /etc/sysconfig/iptables-A INPUT -m state --state NEW -m udp -p udp --dport 500 -j ACCEPT-A INPUT -m state --state NEW -m udp -p udp --dport 4500 -j ACCEPT service iptables restart # servernc -lu 4500 # client \u9069\u5f53\u306a\u6587\u5b57\u3092Enter\u3067\u9001\u308b\u3002nc -u server\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP 4500","author_url":"https://blog.hatena.ne.jp/root-2004/","image_url":null,"type":"rich","width":"100%","url":"https://opentec.hateblo.jp/entry/2018/04/30/000000","title":"VPN\u30dd\u30fc\u30c8\u30c6\u30b9\u30c8(CentOS6\u3067)","author_name":"root-2004","categories":["Network"],"published":"2018-04-30 00:00:00","version":"1.0","provider_name":"Hatena Blog","blog_url":"https://opentec.hateblo.jp/"}