Questions about Renewing before TLS-ALPN-01 Revocations
UPDATE 08 February 2022: The rate limit adjustments have been reverted to normal conditions. You can read about our rate limits here. UPDATE 29 January 2022: We completed the revocation of approximately 2.7 million certificates validated with the TLS-ALPN-01 method. If a subscriber did not renew and replace their certificate before revocation, clients may see warnings and errors. Affected subscrib
Changes to TLS-ALPN-01 challenge validation
We have made two changes to the way that our TLS-ALPN-01 challenge validation works. These changes will only affect clients that specifically use TLS-ALPN-01; for example, it is not a default choice in Certbot. First, we now guarantee that our client which reaches out to conduct the “acme-tls/1†handshake will negotiate TLS version 1.2 or higher. If your ACME client or integration only supports a
Let's Encryptã®DST Root X3ルート証明書ã®2021å¹´9月30æ—¥ã®æœŸé™åˆ‡ã‚Œã«ä¼´ã†CRL発行ã®äºˆæƒ³ãŒå¤–ã‚ŒãŸä»¶ã®ãŠè©«ã³
Let's Encryptã§ã“ã‚Œã¾ã§é•·ã使用ã•ã‚Œã¦ããŸIdentrust社発行ã®DST Root X3ルート証明書ãŒã€æ—¥æœ¬æ™‚é–“2021å¹´9月30æ—¥23時1分15秒ã«æœŸé™åˆ‡ã‚Œã«ãªã‚Šã¾ã—ãŸã€‚ DST Root X3ルートèªè¨¼å±€ãŒå®šæœŸç™ºè¡Œã™ã‚‹CRL(証明書失効リスト)ãŒã©ã†ãªã‚‹ã‹ã€ãšã£ã¨æ°—ã«ãªã£ã¦ãŠã‚Šã€å¹¾ã¤ã‹ã®å ´æ‰€ã§äºˆæƒ³ã‚’紹介ã•ã›ã¦ã‚‚らã„ã¾ã—ãŸãŒã€ãã®äºˆæƒ³ã¯å¤–ã‚Œã¦ã—ã¾ã„ã¾ã„ã—ãŸã€‚ãŠé¨’ãŒã›ã—ã¦ã™ã¿ã¾ã›ã‚“ã§ã—ãŸã€‚ãã®è´–罪ã¨ã—ã¦ã€ã“ã®ãƒ–ãƒã‚°ã‚’書ã“ã†ã¨æ€ã„ã¾ã™ã€‚ ã©ã‚“ãªäºˆæƒ³ã‚’ã—ã¦ã€ã©ã†å¤–ã—ãŸã‹(ç°¡å˜ã«) 一般ã«ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ãŒæœŸé™åˆ‡ã‚Œã«ãªã‚‹ã¨é€Ÿã‚„ã‹ã«ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã«ç´ã¥ã秘密éµã‚’ã€Œç ´å£Šã€ã—ã€ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ãŒä¸æ£åˆ©ç”¨ã•ã‚Œãªã„よã†ã«ã—ã¾ã™ã€‚éµã‚’ç ´å£Šã—ã¦ã—ã¾ã†ã¨ã€CRL(証明書発行リスト)も発行ã§ããªããªã‚‹ã®ã§ã€ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ãŒæœŸé™åˆ‡ã‚Œã«ãªã‚‹å‰ã«ã€ä»Šå¾Œã®ä¸é–“CA証明書ã®æ¤œè¨¼ã§å›°ã‚‰ãªã„よã†ã«(Let's Encrypt
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ç§ã‚‚大変有り難ã利用ã•ã›ã¦ã‚‚らã£ã¦ã„ã‚‹ã€ã¿ã‚“ãªå¤§å¥½ãLet's Encryptã¯ã„ã‚ã‚“ãªæ–¹ã®å¯„付ã®ãŠã‹ã’ã§ç„¡æ–™ã§åˆ©ç”¨ã§ãã‚‹SSLサーãƒãƒ¼è¨¼æ˜Žæ›¸ã®ç™ºè¡Œã‚µãƒ¼ãƒ“スã§ã™ãŒã€ä½•ã‚„らルートèªè¨¼å±€ã®ç§»è¡ŒãŒè©±é¡Œã«ãªã£ã¦ã„ã‚‹ã®ã§ã€ã¡ã‚‡ã£ã¨èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ å•é¡Œã®æ¦‚è¦ã¯ã€ã“ã¡ã‚‰ã®ãƒ–ãƒã‚°ã§ã¨ã¦ã‚‚詳ã—ã解説ã•ã‚Œã¦ãŠã‚Šã€ã¨ã¦ã‚‚å‚考ã«ãªã‚Šã¾ã—ãŸã€‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ å…¬å¼ã‹ã‚‰å‡ºã¦ã„る説明ã ã¨ã€å‡ºã¦ãる証明書ã®é–¢ä¿‚ãŒã‚ã‹ã‚Šã«ããã€å›³ã‚‚ã¡ã‚‡ã£ã¨é–“é•ã£ã¦ã„ãŸã®ã§ã€åˆ¥ã®å›³ã‚’èµ·ã“ã—ã¾ã—ãŸã€‚ç°¡å˜ã«ã¯ã€DST Root X3ルート証明書ãŒæœŸé™åˆ‡ã‚Œã‚’è¿Žãˆãã†ãªã®ã§ã€æ–°ã—ã„ISRG Root X1ルートèªè¨¼å±€ã«ç§»è¡Œã—ãŸã„ã‚ã‘ã§ã™ã€‚ certbotを使ã£ã¦ã„る㨠/etc/letsencrypt/archive/ドメイン/ ã«ç™ºè¡Œã•ã‚ŒãŸè¨¼æ˜Žæ›¸ã€ãƒã‚§ãƒ¼ãƒ³ã€ç§˜å¯†éµã®å±¥æ´ãŒæ®‹ã‚Šã¾ã™ãŒã€ãã®æ™‚æœŸã‚’é ¼ã‚Šã«ã©ã†ãªã£ã¦ã„ãŸã®ã‹è¦‹ã¦ã¿ã¾ã™ã€‚ 2020
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tl;dr é©šãã¹ããƒãƒƒã‚¯ã«ã‚ˆã‚Šæ—§Androidも引ã続ã証明書エラーãªãサイトを閲覧ã§ããã†ã§ã™ ã„よã„よ5/4ã«æ¨™æº–ã®è¨¼æ˜Žæ›¸ãƒã‚§ãƒ¼ãƒ³ãŒåˆ‡ã‚Šæ›¿ã‚ã‚Šã¾ã™ å‰å›žã¾ã§ã®ãŠã•ã‚‰ã„ Android7.1以å‰ã§Let's Encrypt証明書ã®ã‚µã‚¤ãƒˆãŒè¦‹ã‚‰ã‚Œãªããªã‚‹ Let's Encryptã®è¨¼æ˜Žæ›¸åˆ‡æ›¿å‘¨ã‚Šãã®å¾Œ Let's Encryptã¯ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã‚’自身(ISRG)ã®èªè¨¼å±€ã®ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸(ISRG Root X1)ã«åˆ‡ã‚Šæ›¿ãˆã‚ˆã†ã¨ã—ã¦ã„ã¾ã™ã€‚ç¾åœ¨ã¯ã€IdenTrustã®ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸(DST Root CA X3)ãŒä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚ æ£ç¢ºã«è¨€ã†ã¨ã€ISRGã¯æ–°ã—ã„èªè¨¼å±€ãªã®ã§ãã®ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã®æ™®åŠçŽ‡ã‚‚当然低ãã€ä¸é–“証明書ã¯IdenTrustã®ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã§ã‚¯ãƒã‚¹ã‚µã‚¤ãƒ³ã•ã‚Œã¦ãŠã‚Šã€ãã‚ŒãŒæ¨™æº–ã§ä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚標準ãŒDSTã«ãªã£ã¦ã„ã‚‹ã ã‘ã§ã€ISRGã®ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã®ãƒã‚§ãƒ¼ãƒ³ã®è¨¼æ˜Žæ›¸ã‚‚指定ã™ã‚Œã°ä»Šã§
The Next Gen Database Servers Powering Let's Encrypt
Let’s Encrypt helps to protect a huge portion of the Web by providing TLS certificates to more than 235 million websites. A database is at the heart of how Let’s Encrypt manages certificate issuance. If this database isn’t performing well enough, it can cause API errors and timeouts for our subscribers. Database performance is the single most critical factor in our ability to scale while meeting s
AMDã®ã‚µãƒ¼ãƒãƒ¼å‘ã‘CPU「EPYCã€ãŒLet’s Encryptã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒãƒ¼ã«æŽ¡ç”¨ã•ã‚Œã‚‹
ç„¡æ–™ã®SSL証明書を発行ã™ã‚‹Let’s EncryptãŒã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒãƒ¼ã«AMDã®ã‚µãƒ¼ãƒãƒ¼å‘ã‘CPU「EPYCã€ã‚’採用ã—ãŸã“ã¨ã‚’明らã‹ã«ã—ã¾ã—ãŸã€‚Googleã®ã‚¯ãƒ©ã‚¦ãƒ‰ã‚µãƒ¼ãƒ“スやコンテンツデリãƒãƒªãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’æä¾›ã™ã‚‹Cloudflareã«è¿½å¾“ã™ã‚‹å½¢ã§ã‚ã‚Šã€ã‚µãƒ¼ãƒãƒ¼æ¥ç•Œã¸ã®AMDã®é€²å‡ºãŒåŠ 速ã—ã¦ã„ã¾ã™ã€‚ The Next Gen Database Servers Powering Let's Encrypt - Let's Encrypt - Free SSL/TLS Certificates https://letsencrypt.org/2021/01/21/next-gen-database-servers.html Let’s Encryptã¯å®‰å…¨ãªã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆé€šä¿¡ã«ä¸å¯æ¬ ãªSSL証明書を無料ã§ç™ºè¡Œã—ã¦ã„ã‚‹èªè¨¼å±€ã§ã™ã€‚2å„„3000万以上ã®ã‚¦ã‚§ãƒ–サイトãŒLet’s Encry
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ç„¡æ–™ã§ã‚¦ã‚§ãƒ–サーãƒãƒ¼å‘ã‘ã®SSL/TLS証明書を発行ã—ã¦ã„ã‚‹èªè¨¼å±€Let's EncryptãŒã€ã€Œå…¨ä¸–ç•Œã«å˜åœ¨ã™ã‚‹Androidデãƒã‚¤ã‚¹ã®3分ã®1ã§ã€Let's Encryptã®è¨¼æ˜Žæ›¸ãŒä½¿ãˆãªããªã‚‹ã€ã¨è¦å‘Šã—ã¾ã—ãŸã€‚ Standing on Our Own Two Feet - Let's Encrypt - Free SSL/TLS Certificates https://letsencrypt.org/2020/11/06/own-two-feet.html Let's Encrypt warns about a third of Android devices will from next year stumble over sites that use its certs • The Register https://www.theregister.com/2020/11/06/
ãƒãƒªãƒãƒƒãƒ—ï¼ãŒç„¡æ–™SSL証明書ã«å¯¾å¿œã—ã¾ã—ãŸ!!!1 - Pepabo Tech Portal
ホスティング事æ¥éƒ¨ã® CTL(Chief Technical Lead)ã®@pyamaã§ã™ã€‚本記事ã§ã¯å…ˆæ—¥ç››å¤§ã«ãƒªãƒªãƒ¼ã‚¹ã„ãŸã—ã¾ã—ãŸãƒãƒªãƒãƒƒãƒ—ã®ç„¡æ–™ç‹¬è‡ªSSL機能ã®è£å´ã«ã¤ã„ã¦é–¢ã‚ã£ãŸãƒ¡ãƒ³ãƒãƒ¼ã®ãƒªãƒ¬ãƒ¼å½¢å¼ã§ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ Let's Encryptæä¾›ã®èƒŒæ™¯ ãƒãƒªãƒãƒƒãƒ—ï¼ã®ãƒ‡ã‚£ãƒ¬ã‚¯ã‚¿ãƒ¼ã‚’ã—ã¦ã„ã¾ã™@fuchinoã§ã™ã€‚ãƒãƒªãƒãƒƒãƒ—ï¼ã®ãƒªãƒ–ランディングプãƒã‚¸ã‚§ã‚¯ãƒˆã‚„プãƒãƒ¢ãƒ¼ã‚·ãƒ§ãƒ³ã€ãƒ—ãƒãƒ€ã‚¯ãƒˆå‘¨ã‚Šã€ã‚¤ãƒ™ãƒ³ãƒˆãªã©ã‚’担当ã™ã‚‹ã€ãƒ‡ã‚£ãƒ¬ã‚¯ã‚¿ãƒ¼ã¨ã„ã†åã®ä½•ã§ã‚‚屋ã§ã™ã€‚ Let's Encryptæä¾›ã®èƒŒæ™¯ã«ã¤ã„ã¦ã€å°‘ã—書ã‹ã›ã¦ã„ãŸã ãã¾ã™ã€‚ 2014å¹´ã”ã‚ã‹ã‚‰ã€æ€¥æ¿€ã«ç‹¬è‡ªSSLã®éœ€è¦ãŒå¢—åŠ ã—ã¾ã—ãŸã€‚GoogleãŒå¸¸æ™‚SSL化ã¸ã®å–り組ã¿ã‚’強化ã—ã€æŽ¨å¥¨ã—ãŸã“ã¨ãŒå¤§ããªç†ç”±ã§ã™ã€‚2016å¹´ã€Let's EncryptãŒæ£å¼ã«æ供開始ã•ã‚Œã¦ã‹ã‚‰ã¯ã€ãã®æµã‚Œã¯ä¸€æ°—ã«åŠ 速ã—ã¾ã™ã€‚ ãƒãƒªãƒãƒƒãƒ—ï¼ã§ã¯ã€ã‚‚ã¨ã‚‚ã¨
Wildcard Certificates Coming January 2018
Update, March 13, 2018 Wildcard certificate support is live. Let’s Encrypt will begin issuing wildcard certificates in January of 2018. Wildcard certificates are a commonly requested feature and we understand that there are some use cases where they make HTTPS deployment easier. Our hope is that offering wildcards will help to accelerate the Web’s progress towards 100% HTTPS. Let’s Encrypt is curr
複数ã®Webアプリを1サーãƒãƒ¼ã®Dockerを使ã£ã¦SSL対応ã®ã‚µãƒ–ドメインã§ç°¡å˜ã«é‹ç”¨ã™ã‚‹ | QUARTETCOM TECH BLOG
ã¯ã˜ã‚㫠本エントリーã®ã‚´ãƒ¼ãƒ«ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªçŠ¶æ…‹ã§ã™ã€‚ （ã»ã¼ï¼‰Dockerã ã‘ã—ã‹ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã¦ã„ãªã„サーãƒãƒ¼ãŒ1ã¤ã‚ã‚‹ ãã®ã‚µãƒ¼ãƒãƒ¼ã®Dockerã§è¤‡æ•°ã®WebアプリãŒãƒ›ã‚¹ãƒˆã•ã‚Œã¦ã„ã‚‹ å„Webアプリã¯Docker Composeã§æ§‹æˆç®¡ç†ã•ã‚Œã¦ã„ã¦ã€ã‚¢ãƒ—リã”ã¨ã« docker-compose up ã™ã‚‹ã ã‘ã§å‹•ã docker-compose up ã—ãŸå„Webアプリã«ã¯ã€æŒ‡å®šã—ãŸã‚µãƒ–ドメインãŒè‡ªå‹•ã§å‰²ã‚Šå½“ã¦ã‚‰ã‚Œã¦ã€Let’s Encrypt ã§å–å¾—ã—ãŸSSL証明書ãŒé©ç”¨ã•ã‚Œã‚‹ ã“ã®çŠ¶æ…‹ã«ãªã‚‹ã¾ã§ã«å¿…è¦ãªä½œæ¥ã‚’ã§ãã‚‹ã ã‘ä¸å¯§ã«è§£èª¬ã—ã¦ã„ãã¾ã™ã€‚ã‚„ã‚„é•·ããªã‚Šã¾ã™ãŒã€ãœã²æœ€å¾Œã¾ã§ãŠä»˜ãåˆã„ãã ã•ã„。 目次 Ubuntu 16.04ã®ã‚µãƒ¼ãƒãƒ¼ã‚’用æ„ã™ã‚‹ サーãƒãƒ¼ã«Dockerをインストールã™ã‚‹ 一般ユーザーを作る Dockerをインストール Docker Composeをインストール
Let's Encrypt 㧠DNS-01を利用ã—ãŸSSL証明書ã®å–得方法 - Qiita
DNS-01 æ–¹å¼ Let’s Encryptã§ï¼³ï¼³ï¼¬è¨¼æ˜Žæ›¸ã‚’å–å¾—ã™ã‚‹æ–¹æ³•ã§ã€WEBサーãƒãŒ1ã¤ã®ã¿ç¨¼åƒã•ã›ã¦ã„る時ã¯HTTP-01æ–¹å¼ã¨ã—ã¦æ²¢å±±ç´¹ä»‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ è² è·åˆ†æ•£ã•ã›ã¦ã„ã‚‹å ´åˆãªã©ã§ã¯ã€ãƒ‰ãƒ¡ã‚¤ãƒ³ç¢ºèªãŒå‡ºæ¥ã¾ã›ã‚“。 ãã“ã§ã€Let’s Encryptã§ã¯ã€ãƒ‰ãƒ¡ã‚¤ãƒ³èªè¨¼æ–¹å¼ã«ã‚ˆã‚‹ç¢ºèªæ–¹æ³•ã¨ã—ã¦ã€ï¼¤ï¼®ï¼³âˆ’ï¼ï¼‘æ–¹å¼ãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ Let’s Encryptã®Automatic Certificate Management Environment(ACME)ã®ä»•æ§˜ã«ã¯ã€ãƒ‰ãƒ¡ã‚¤ãƒ³èªè¨¼æ–¹å¼ï¼ˆDNS-01）ãŒã‚ã‚Šã¾ã™ã®ã§ã€è©³ã—ã„仕様ã«ã¤ã„ã¦ã¯ã‚µã‚¤ãƒˆã‚’確èªã—ã¦ä¸‹ã•ã„。 ã“ã“ã§ã¯ã€ã‚µã‚¯ãƒƒã¨èªè¨¼ã¨ï¼³ï¼³ï¼¬è¨¼æ˜Žæ›¸ã®ç”Ÿæˆæ–¹æ³•ã ã‘を説明ã—ã¾ã™ã€‚ ※ Apacheã‚„Nginxãªã©ã®ï¼³ï¼³ï¼¬è¨¼æ˜Žæ›¸ã®è¨å®šæ–¹æ³•ã¯å‰²æ„›ã—ã¦ã¾ã™ã€‚ インストール＆セットアップ ç¾æ™‚点ã§ã€DNS-01æ–¹å¼ã®ã‚¹ã‚¯ãƒªãƒ—トãŒã€å…¬å¼ã§ç”¨æ„ã•ã‚Œ
Introducing Internationalized Domain Name (IDN) Support - Let's Encrypt
Let’s Encrypt is pleased to introduce support for issuing certificates that contain Internationalized Domain Names (IDNs). This means that our users around the world can now get free Let’s Encrypt certificates for domains containing characters outside of the ASCII set, which is built primarily for the English language. We’re excited about this feature because our goal is to serve the entire Web, i
HTTPSã®Webサーãƒã‚’è¨å®šã—㟠(h2o + Let's Encrypt) - ã¯ã“ã¹ã«ã£ã ♨
最近ã€ãƒã‚¤ãƒ‘フォーマンスブラウザãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚ングをèªã‚“ã§ã„ã¦ã€HTTPSã«ã¤ã„ã¦ã¡ã‚‡ã£ã¨å‹‰å¼·ã—ã¦ã„ã¾ã™ã€‚勉強ã«ã‚ãŸã£ã¦ã¯ã€å®Ÿéš›ã«è©¦ã›ã‚‹å ´æ‰€ãŒã‚ã£ãŸã‚‰ä¾¿åˆ©ãã†ãªã®ã§ã€è‡ªåˆ†ã®ã•ãらVPSã«HTTPSã®Webサーãƒã‚’è¨ç½®ã—ã¦ã¿ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ã“ã®æ¬¡ã¯HTTP2ã®å®Ÿé¨“ã‚‚ã—ãŸã„ã®ã§ã€å…ˆé€²çš„ãªHTTP2ã®æ©Ÿèƒ½ãŒå®Ÿè£…ã•ã‚Œã¦ã„ãã†ãªh2oを使ã£ã¦ã¿ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ 環境 今回ã®ä½œæ¥ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªç’°å¢ƒã§ã‚„ã‚Šã¾ã—ãŸã€‚ $ uname -a Linux douzemille 4.4.0-36-generic #55-Ubuntu SMP Thu Aug 11 18:01:55 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENA
Defending Our Brand [Updated]
Update, June 24 2016 We have confirmed that Comodo submitted Requests for Express Abandonment for all three trademark registration applications in question. We’re happy to see this positive step towards resolution, and will continue to monitor the requests as they make their way through the system. We’d like to thank our community for their support. Some months ago, it came to our attention that C
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TLS Simply and Automatically for Europe’s Largest Cloud Customers - Let's Encrypt
Let's Encrypt を使ã£ãŸ SSL è¨å®š for Amazon Linux - Qiita
GitHub - srvrco/getssl: obtain free SSL certificates from letsencrypt ACME server Suitable for automating the process on remote servers.
Linux Journal June 2016, #266 - Linux Journal Store
Acmesmith (http2study8)
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