{"id":10107,"date":"2026-10-27T18:18:23","date_gmt":"2026-10-27T09:18:23","guid":{"rendered":"https:\/\/staging.millenvpn.jp\/?post_type=vpn-glossary-item&#038;p=10107"},"modified":"2026-10-30T13:02:14","modified_gmt":"2026-10-30T04:02:14","slug":"vpn-protocol","status":"publish","type":"vpn-glossary-item","link":"https:\/\/millenvpn.jp\/en\/vpn-glossary\/vpn-protocol\/","title":{"rendered":"VPN protocol"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A VPN protocol is a set of communication rules and mechanisms that establish a VPN connection and protect and transfer communications. Authentication methods, encryption methods, and methods for establishing connections all vary depending on the protocol and its implementation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some of the most common VPN protocols include WireGuard, OpenVPN, and IKEv2\/IPsec. Each has differences in terms of communication speed, supported environments, and flexibility in settings, and the appropriate method depends on the device and network environment used.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When choosing a VPN service, it is important to check not only the protocol used but also the actual security measures, communication quality, and the devices available.<\/p>","protected":false},"excerpt":{"rendered":"<p>VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001VPN\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u901a\u4fe1\u3092\u4fdd\u8b77\u30fb\u8ee2\u9001\u3059\u308b\u305f\u3081\u306e\u901a\u4fe1\u898f\u7d04\u3084\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u65b9\u6cd5\u3001\u6697\u53f7\u5316\u306e\u65b9 [&hellip;]<\/p>\n","protected":false},"author":11,"template":"","meta":{"_acf_changed":false,"_lightning_design_setting":[],"footnotes":""},"class_list":["post-10107","vpn-glossary-item","type-vpn-glossary-item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>VPN\u30d7\u30ed\u30c8\u30b3\u30eb | VPN\u7528\u8a9e\u96c6 | MillenVPN<\/title>\n<meta name=\"description\" content=\"VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001VPN\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u901a\u4fe1\u3092\u4fdd\u8b77\u30fb\u8ee2\u9001\u3059\u308b\u305f\u3081\u306e\u901a\u4fe1\u898f\u7d04\u3084\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u65b9\u6cd5\u3001\u6697\u53f7\u5316\u306e\u65b9\u5f0f\u3001\u63a5\u7d9a\u306e\u78ba\u7acb\u65b9\u6cd5\u306a\u3069\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u305d\u306e\u5b9f\u88c5\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/millenvpn.jp\/en\/vpn-glossary\/vpn-protocol\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VPN\u30d7\u30ed\u30c8\u30b3\u30eb | VPN\u7528\u8a9e\u96c6 | MillenVPN\" \/>\n<meta property=\"og:description\" content=\"VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001VPN\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u901a\u4fe1\u3092\u4fdd\u8b77\u30fb\u8ee2\u9001\u3059\u308b\u305f\u3081\u306e\u901a\u4fe1\u898f\u7d04\u3084\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u65b9\u6cd5\u3001\u6697\u53f7\u5316\u306e\u65b9\u5f0f\u3001\u63a5\u7d9a\u306e\u78ba\u7acb\u65b9\u6cd5\u306a\u3069\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u305d\u306e\u5b9f\u88c5\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/millenvpn.jp\/en\/vpn-glossary\/vpn-protocol\/\" \/>\n<meta property=\"og:site_name\" content=\"MillenVPN\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-30T04:02:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/millenvpn.jp\/wp-content\/uploads\/2025\/08\/ogp.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1215\" \/>\n\t<meta property=\"og:image:height\" content=\"637\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@millenvpn\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/vpn-glossary\\\/vpn-protocol\\\/\",\"url\":\"https:\\\/\\\/millenvpn.jp\\\/vpn-glossary\\\/vpn-protocol\\\/\",\"name\":\"VPN\u30d7\u30ed\u30c8\u30b3\u30eb | VPN\u7528\u8a9e\u96c6 | MillenVPN\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/#website\"},\"datePublished\":\"2026-10-27T09:18:23+00:00\",\"dateModified\":\"2026-10-30T04:02:14+00:00\",\"description\":\"VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001VPN\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u901a\u4fe1\u3092\u4fdd\u8b77\u30fb\u8ee2\u9001\u3059\u308b\u305f\u3081\u306e\u901a\u4fe1\u898f\u7d04\u3084\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u65b9\u6cd5\u3001\u6697\u53f7\u5316\u306e\u65b9\u5f0f\u3001\u63a5\u7d9a\u306e\u78ba\u7acb\u65b9\u6cd5\u306a\u3069\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u305d\u306e\u5b9f\u88c5\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/vpn-glossary\\\/vpn-protocol\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/millenvpn.jp\\\/vpn-glossary\\\/vpn-protocol\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/vpn-glossary\\\/vpn-protocol\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"MillenVPN\",\"item\":\"https:\\\/\\\/millenvpn.jp\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"VPN\u30d7\u30ed\u30c8\u30b3\u30eb\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/#website\",\"url\":\"https:\\\/\\\/millenvpn.jp\\\/\",\"name\":\"MillenVPN\",\"description\":\"\u6708\u984d396\u5186\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\",\"publisher\":{\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/millenvpn.jp\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/#organization\",\"name\":\"\u30a2\u30ba\u30dd\u30b1\u30c3\u30c8\u682a\u5f0f\u4f1a\u793e\",\"alternateName\":\"AzPocket, Inc.\",\"url\":\"https:\\\/\\\/millenvpn.jp\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/millenvpn.jp\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/azpocket-logo-black.png\",\"contentUrl\":\"https:\\\/\\\/millenvpn.jp\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/azpocket-logo-black.png\",\"width\":190,\"height\":36,\"caption\":\"\u30a2\u30ba\u30dd\u30b1\u30c3\u30c8\u682a\u5f0f\u4f1a\u793e\"},\"image\":{\"@id\":\"https:\\\/\\\/millenvpn.jp\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/millenvpn\",\"https:\\\/\\\/www.azpocket.co.jp\\\/\",\"https:\\\/\\\/page.line.me\\\/095evled\",\"https:\\\/\\\/www.youtube.com\\\/@millenvpn5733\",\"https:\\\/\\\/www.instagram.com\\\/millenvpn\\\/\",\"https:\\\/\\\/www.threads.net\\\/@millenvpn\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"VPN Protocol | VPN Glossary | MillenVPN","description":"A VPN protocol is a set of communication rules and mechanisms that establish a VPN connection and protect and transfer communications. Authentication methods, encryption methods, and methods for establishing connections all vary depending on the protocol and its implementation.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/millenvpn.jp\/en\/vpn-glossary\/vpn-protocol\/","og_locale":"en_US","og_type":"article","og_title":"VPN\u30d7\u30ed\u30c8\u30b3\u30eb | VPN\u7528\u8a9e\u96c6 | MillenVPN","og_description":"VPN\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001VPN\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u901a\u4fe1\u3092\u4fdd\u8b77\u30fb\u8ee2\u9001\u3059\u308b\u305f\u3081\u306e\u901a\u4fe1\u898f\u7d04\u3084\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u65b9\u6cd5\u3001\u6697\u53f7\u5316\u306e\u65b9\u5f0f\u3001\u63a5\u7d9a\u306e\u78ba\u7acb\u65b9\u6cd5\u306a\u3069\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u305d\u306e\u5b9f\u88c5\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002","og_url":"https:\/\/millenvpn.jp\/en\/vpn-glossary\/vpn-protocol\/","og_site_name":"MillenVPN","article_modified_time":"2026-10-30T04:02:14+00:00","og_image":[{"width":1215,"height":637,"url":"https:\/\/millenvpn.jp\/wp-content\/uploads\/2025\/08\/ogp.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_site":"@millenvpn","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["WebPage","ItemPage"],"@id":"https:\/\/millenvpn.jp\/vpn-glossary\/vpn-protocol\/","url":"https:\/\/millenvpn.jp\/vpn-glossary\/vpn-protocol\/","name":"VPN Protocol | VPN Glossary | MillenVPN","isPartOf":{"@id":"https:\/\/millenvpn.jp\/#website"},"datePublished":"2026-10-27T09:18:23+00:00","dateModified":"2026-10-30T04:02:14+00:00","description":"A VPN protocol is a set of communication rules and mechanisms that establish a VPN connection and protect and transfer communications. Authentication methods, encryption methods, and methods for establishing connections all vary depending on the protocol and its implementation.","breadcrumb":{"@id":"https:\/\/millenvpn.jp\/vpn-glossary\/vpn-protocol\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/millenvpn.jp\/vpn-glossary\/vpn-protocol\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/millenvpn.jp\/vpn-glossary\/vpn-protocol\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"MillenVPN","item":"https:\/\/millenvpn.jp\/"},{"@type":"ListItem","position":2,"name":"VPN\u30d7\u30ed\u30c8\u30b3\u30eb"}]},{"@type":"WebSite","@id":"https:\/\/millenvpn.jp\/#website","url":"https:\/\/millenvpn.jp\/","name":"MillenVPN","description":"Enhanced security for \u00a5396\/month","publisher":{"@id":"https:\/\/millenvpn.jp\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/millenvpn.jp\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/millenvpn.jp\/#organization","name":"Azpocket Corporation","alternateName":"AzPocket, Inc.","url":"https:\/\/millenvpn.jp\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/millenvpn.jp\/#\/schema\/logo\/image\/","url":"https:\/\/millenvpn.jp\/wp-content\/uploads\/2026\/03\/azpocket-logo-black.png","contentUrl":"https:\/\/millenvpn.jp\/wp-content\/uploads\/2026\/03\/azpocket-logo-black.png","width":190,"height":36,"caption":"\u30a2\u30ba\u30dd\u30b1\u30c3\u30c8\u682a\u5f0f\u4f1a\u793e"},"image":{"@id":"https:\/\/millenvpn.jp\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/millenvpn","https:\/\/www.azpocket.co.jp\/","https:\/\/page.line.me\/095evled","https:\/\/www.youtube.com\/@millenvpn5733","https:\/\/www.instagram.com\/millenvpn\/","https:\/\/www.threads.net\/@millenvpn"]}]}},"_links":{"self":[{"href":"https:\/\/millenvpn.jp\/en\/wp-json\/wp\/v2\/vpn-glossary-item\/10107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/millenvpn.jp\/en\/wp-json\/wp\/v2\/vpn-glossary-item"}],"about":[{"href":"https:\/\/millenvpn.jp\/en\/wp-json\/wp\/v2\/types\/vpn-glossary-item"}],"author":[{"embeddable":true,"href":"https:\/\/millenvpn.jp\/en\/wp-json\/wp\/v2\/users\/11"}],"version-history":[{"count":2,"href":"https:\/\/millenvpn.jp\/en\/wp-json\/wp\/v2\/vpn-glossary-item\/10107\/revisions"}],"predecessor-version":[{"id":10164,"href":"https:\/\/millenvpn.jp\/en\/wp-json\/wp\/v2\/vpn-glossary-item\/10107\/revisions\/10164"}],"wp:attachment":[{"href":"https:\/\/millenvpn.jp\/en\/wp-json\/wp\/v2\/media?parent=10107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}