{"version":"1.0","provider_name":"Hatena Blog","title":"EC2\u306bNAT\u30b5\u30fc\u30d0\u69cb\u7bc9","width":"100%","blog_url":"https://pandazx.hatenablog.com/","url":"https://pandazx.hatenablog.com/entry/2017/07/14/114543","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpandazx.hatenablog.com%2Fentry%2F2017%2F07%2F14%2F114543\" title=\"EC2\u306bNAT\u30b5\u30fc\u30d0\u69cb\u7bc9 - pandazx&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"type":"rich","author_name":"pandazx","provider_url":"https://hatena.blog","categories":["linux","AWS"],"blog_title":"pandazx's blog","published":"2017-07-14 11:45:43","author_url":"https://blog.hatena.ne.jp/pandazx/","description":"\u672c\u6587 Amazon\u304b\u3089\u306fNAT Gateway\u3068\u3044\u3046\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u304a\u91d1\u304c\u5c11\u3057\u304b\u304b\u308b\u3002 \u305d\u3053\u3067\u81ea\u524d\u3067\u7528\u610f\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3059\u308b\u3002 OS\uff1aAmazon Linux NAT\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a NAT\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308bEC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u30d1\u30d6\u30ea\u30c3\u30afIP\u304c\u3042\u308a\u3001\u5916\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u3068\u3059\u308b\u3002 \u4ee5\u4e0b\u3092\u8a2d\u5b9a\u3002IP\u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u3059\u308b\u90e8\u5206\u306f\u9069\u5b9c\u3001\u8aad\u307f\u66ff\u3048\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3002 # NAT\u306e\u30ed\u30b0\u3092\u51fa\u529b\u3059\u308b\u5834\u5408\u3002\u30ed\u30b0\u306f /var/log/messages \u306b\u51fa\u529b\u3055\u308c\u308b sudo iptables -t nat -A POSTROUTING -j LOG # \u8a2d\u5b9a sudo iptables -t nat -A PO\u2026"}