+++ title = "WindowsサーバのIISにLet's Encryptで取得したワイルドカードSSL証明書をインポートする" date = 2019-05-11T23:49:43+08:00 Description = "WindowsサーバのIISにLet's Encryptで取得したワイルドカードSSL証明書をインポートする方法を調べたのでまとめています" Tags = [] Categories = ["Windows", "iis", "インフラ"] image="" +++ WindowsサーバのIISにLet's Encryptで取得したワイルドカードSSL証明書をインポートする方法を調べたのでまとめした。 ## 環境 - `Windows 2016` - `IIS 10` ## 必要なもの いろいろと試行錯誤したのですが、どうやらIISに対してSSL証明書を登録するためには、IISからCSRを作成する必要があるようです。しかし、Let's Encryptを用いてSSL証明書を取得する場合、どのようなCSRで証明書を取得しているのかわかりません。その結果、IISにSSL証明書を登録することができません。 この問題を解決するために、[PKISharp/win\-acme](https://github.com/PKISharp/win-acme)を利用します。このツールを利用することで、IISに自動的にLet's Encryptから取得したSSL証明書を登録することができます。 ## 操作ログ [PKISharp/win\-acme](https://github.com/PKISharp/win-acme)をダウンロード後、以下のように操作することでワイルドカードSSL証明書をIISに登録できました。 なお、手動でDNSに`txt`レコードを登録、削除を間に挟んでいることに注意ください。 ``` C:\Users\Administrator\Desktop\win-acme.v2.0.3.206>wacs.exe [INFO] A simple Windows ACMEv2 client (WACS) [INFO] Software version 2.0.3.206 (RELEASE) [INFO] IIS version 10.0 [INFO] Please report issues at https://github.com/PKISharp/win-acme N: Create new certificate M: Create new certificate with advanced options L: List scheduled renewals R: Renew scheduled S: Renew specific A: Renew *all* O: More options... Q: Quit Please choose from the menu: M [INFO] Running in mode: Interactive, Advanced 1: Single binding of an IIS site 2: SAN certificate for all bindings of an IIS site 3: SAN certificate for all bindings of multiple IIS sites 4: Manually input host names : Which kind of certificate would you like to create?: 4 Enter comma-separated list of host names, starting with the common name: *.holiday88sg.com [INFO] Target generated using plugin Manual: *.holiday88sg.com Suggested FriendlyName is '[Manual] *.holiday88sg.com', press enter to accept or type an alternative: 1: [dns-01] CNAME the record to a server that supports the acme-dns API 2: [dns-01] Manually create record 3: [dns-01] Run script to create and update records : Abort How would you like to validate this certificate?: 2 1: Elliptic Curve key 2: Standard RSA key pair What kind of CSR would you like to create?: 2 1: IIS Central Certificate Store 2: Windows Certificate Store 3: Write .pem files to folder (Apache, ngnix, etc.) How would you like to store this certificate?: 2 1: Create or update https bindings in IIS 2: Do not run any installation steps 3: Run a custom script C: Abort Which installer should run for the certificate?: 2 [INFO] Authorize identifier: xxx.com [INFO] Authorizing xxx.com using dns-01 validation (Manual) Domain: xxx.com Record: _acme-challenge.xxx.com Type: TXT Content: "2n6Q9rawV9C1sCAzVhpIQqpgJh1EtSDMIaz2zYus7sc" Note 1: Some DNS control panels add quotes automatically. Only one set is required. Note 2: Make sure your name servers are synchronised, this may take several minutes! Please press enter after you've created and verified the record [INFO] Answer should now be available at _acme-challenge.xxx.com [WARN] Preliminary validation failed, found (null) instead of 2n6Q9rawV9C1sCAzVhpIQqpgJh1EtSDMIaz2zYus7sc [INFO] Authorization result: valid Domain: xxx.com Record: _acme-challenge.xxx.com Type: TXT Content: "2n6Q9rawV9C1sCAzVhpIQqpgJh1EtSDMIaz2zYus7sc" Please press enter after you've deleted the record [INFO] Requesting certificate [Manual] *.xxx.com [INFO] Installing certificate in the certificate store [INFO] Adding certificate [Manual] *.xxx.com 2019/5/11 8:06:48 to store WebHosting [INFO] Installing with None... Do you want to replace the existing task? (y/n*) - yes [INFO] Deleting existing task win-acme renew (acme-v02.api.letsencrypt.org) from Windows Task Scheduler. [INFO] Adding Task Scheduler entry with the following settings [INFO] - Name win-acme renew (acme-v02.api.letsencrypt.org) [INFO] - Path C:\Users\Administrator\Desktop\win-acme.v2.0.3.206 [INFO] - Command wacs.exe --renew --baseuri "https://acme-v02.api.letsencrypt.org/" [INFO] - Start at 09:00:00 [INFO] - Time limit 02:00:00 Do you want to specify the user the task will run as? (y/n*) - yes Enter the username (Domain\username): Administrator Enter the user's password: ********* [INFO] Adding renewal for [Manual] *.holiday88sg.com [INFO] Next renewal scheduled at 2019/7/5 8:06:48 N: Create new certificate M: Create new certificate with advanced options L: List scheduled renewals R: Renew scheduled S: Renew specific A: Renew *all* O: More options... Q: Quit Please choose from the menu: q ``` ## 参考 - [Legoの使い方メモ \| His greatness lies in his sense of responsibility](https://blog.kazu634.com/labs/infra/2019-04-14_how_to_use_lego/)