Debian\u306eiptables-persistent\u306e\u5b9f\u4f53\u304cnetfilter-persistent\u3068\u3044\u3046systemd\u306eservice\u306b\u306a\u3063\u305f\u306e\u3067service\u30b3\u30de\u30f3\u30c9\u306b\u3088\u308b\u7ba1\u7406\u306b\u79fb\u884c\u3057\u305f\u306e\u3060\u304c\u3001\u3069\u3046\u3082\u3061\u3083\u3093\u3068\u52d5\u3044\u3066\u3044\u306a\u3044\u3002\u30ed\u30b0\u3092\u898b\u308b\u3068\u3001\u6642\u6298\u3001netfilter-persistent\u306e\u8d77\u52d5\u6642\u306eip6tables\u306e\u30eb\u30fc\u30eb\u8aad\u307f\u8fbc\u307f\u3067\u30a8\u30e9\u30fc\u3067\u5b9f\u884c\u3067\u304d\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u3002\u305d\u3046\u306a\u308b\u3068\u3001\u30b5\u30fc\u30d3\u30b9\u304c\u30aa\u30d5\u306b\u3055\u308c\u3066\u3001\u6b21\u306b\u518d\u8d77\u52d5\u3057\u305f\u3068\u304d\u306b\u306fIPv4\u306e\u30eb\u30fc\u30eb\u307e\u3067\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u3068\u3044\u3046\u60c5\u3051\u306a\u3044\u3053\u3068\u306b\u306a\u308b\u3002\u3044\u308d\u3044\u308d\u8abf\u3079\u3066\u3082\u540c\u3058\u3088\u3046\u306a\u30c8\u30e9\u30d6\u30eb\u306b\u56f0\u3063\u3066\u308b\u4eba\u306f\u3044\u308b\u3082\u306e\u306e\u3001\u5358\u7d14\u306a\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3042\u308b\u304c\u6545\u306b\u89e3\u6c7a\u3067\u304d\u305f\u4eba\u3092\u898b\u3064\u3051\u3089\u308c\u306a\u304b\u3063\u305f\u3002<\/p>\n
\u3053\u306e\u307e\u307e\u3067\u306f\u5371\u967a\u6975\u307e\u308a\u306a\u3044\u306e\u3067\u3001\u3082\u3068\u3082\u3068\u3042\u3093\u307e\u308a\u4f7f\u3044\u52dd\u624b\u306e\u3044\u3044\u308f\u3051\u3067\u306f\u306a\u3044iptables-persistent\u3092\u3053\u306e\u969b\u898b\u9650\u3063\u3066\u3001\u6700\u8fd1\u53f0\u982d\u3057\u3066\u304d\u305f\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306aiptables\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u3042\u308bufw(Uncomplicated FireWall)\u306b\u79fb\u884c\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n
\u3055\u3066\u3001\u307e\u305a\u306fiptables-persistent\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002\u3059\u308b\u3068\u3001netfilter-persistent\u3092apt autoclean\u3067\u9664\u53bb\u3059\u308b\u69d8\u306b\u8a00\u308f\u308c\u308b\u306e\u3067\u3001\u3053\u308c\u3082\u5b9f\u884c\u3059\u308b\u3002iptables\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304c\u306a\u304f\u306a\u3063\u3066\u307e\u3063\u3055\u3089\u306b\u306a\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u5ff5\u306e\u305f\u3081\u4e00\u5ea6\u518d\u8d77\u52d5\u3057\u3066iptables\u306b(sshguard\u3092\u9664\u3044\u3066)\u4f55\u3082\u30eb\u30fc\u30eb\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u306b\u3057\u305f\u3089\u3001ufw\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n
apt-get install ufw<\/p>\n
\u3055\u3066\u3001\u8a2d\u5b9a\u306f\u7c21\u5358(sudo\u3067\u7ba1\u7406\u8005\u6a29\u9650\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068)\u3002\u307e\u305a\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5168\u63a5\u7d9a\u3092\u7981\u6b62\u306b\u3057\u3066\u304a\u304f\u3002<\/p>\n
ufw default deny<\/p>\n
\u3067\u3001\u5fc5\u8981\u306a\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u30dd\u30fc\u30c8\u3092\u958b\u3051\u3066\u3044\u304f\u3002\u7279\u306bssh\u306b\u3064\u3044\u3066\u306f\u5fc5\u305a\u958b\u3051\u3066\u304a\u304b\u306a\u3044\u3068ufw\u3092\u6709\u52b9\u306b\u3057\u305f\u6642\u306bssh\u63a5\u7d9a\u3067\u304d\u306a\u304f\u306a\u308b\u306e\u3067\u6ce8\u610f\u3002ufw\u306f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u306f\u30a2\u30d7\u30ea\u540d\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u5fc5\u8981\u306a\u30dd\u30fc\u30c8\u3092\u5168\u90e8\u958b\u3051\u3066\u304f\u308c\u308b\u3002\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306fOpenSSH\u3068WWW\u3068Postfix\u3092\u52d5\u304b\u3057\u3066\u308b\u306e\u3067\u3001\u3053\u308c\u3089\u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n
ufw allow OpenSSH<\/p>\n
ufw allow WWW<\/p>\n
ufw allow Postfix<\/p>\n
avahi\u306b\u3088\u308bmDNS\u306e\u540d\u524d\u89e3\u6c7a\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u4ee5\u4e0b\u3082\u6307\u5b9a\u3002<\/p>\n
ufw allow Bonjour<\/p>\n
\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u30a2\u30d7\u30ea\u306b\u3064\u3044\u3066\u306f\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067IPv4\u3068IPv6\u306e\u4e21\u65b9\u306e\u30eb\u30fc\u30eb\u304c\u81ea\u52d5\u7684\u306b\u767b\u9332\u3055\u308c\u308b\u306e\u3067\u4fbf\u5229\u3002<\/p>\n
transmission-daemon\u306e\u30a6\u30a7\u30d6\u8a2d\u5b9a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3082\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u3060\u3051\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u30de\u30cb\u30e5\u30a2\u30eb\u3067\u767b\u9332\u3059\u308b\u3002\u3053\u3044\u3064\u306fIPv4\u3067\u3057\u304b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u660e\u793a\u7684\u306bIPv4\u3067\u306e\u30eb\u30fc\u30eb\u3092\u767b\u9332\u3059\u308b\u3002<\/p>\n
ufw allow proto tcp from 192.168.xxx.0\/24 to any port 9091<\/p>\n
\u4ee5\u4e0a\u3001\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001ufw\u3092\u6709\u52b9\u306b\u3059\u308b\u3002<\/p>\n
ufw enable<\/p>\n
ssh\u306b\u3088\u308b\u63a5\u7d9a\u304c\u3076\u3063\u305f\u5207\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3088\u3068\u3044\u3046\u8b66\u544a\u304c\u51fa\u308b\u304c\u3001\u3061\u3083\u3093\u3068\u8a31\u53ef\u3057\u3066\u3042\u308b\u306e\u3067\u305d\u306e\u307e\u307e\u5b9f\u884c\u3059\u308b\u3002<\/p>\n
\u518d\u8d77\u52d5\u3057\u3066\u3082\u6b63\u3057\u304f\u8a2d\u5b9a\u304c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092iptables\/ip6tables –list\u3067\u78ba\u8a8d\u3057\u3066\u304a\u3053\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Debian\u306eiptables-persistent\u306e\u5b9f\u4f53\u304cnetfilter-persistent\u3068\u3044\u3046systemd\u306eservice\u306b\u306a\u3063\u305f\u306e\u3067service\u30b3\u30de\u30f3\u30c9\u306b\u3088\u308b\u7ba1\u7406\u306b\u79fb\u884c\u3057\u305f\u306e\u3060\u304c\u3001\u3069\u3046\u3082\u3061\u3083\u3093\u3068\u52d5\u3044\u3066\u3044 … “Debian Stretch ufw\u306b\u3088\u308biptables\u8a2d\u5b9a” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-301","post","type-post","status-publish","format-standard","hentry","category-2"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4j6YI-4R","jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts\/301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/comments?post=301"}],"version-history":[{"count":1,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts\/301\/revisions"}],"predecessor-version":[{"id":302,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts\/301\/revisions\/302"}],"wp:attachment":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/media?parent=301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/categories?post=301"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/tags?post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}