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  • 使用免费SSL证书让网站支持HTTPS访问

    安装Let’s Encrypt

    安装非常简单直接克隆就可以了

    # git clone https://github.com.cnpmjs.org/letsencrypt/letsencrypt
    # cd letsencrypt/
    # ll
    

    生成通配符证书

    期间需要根据提示设置DNS TXT记录,用作你对判断你是否拥有域名使用权

    ./certbot-auto certonly  -d   *.zisefeizhu.com --manual --preferred-challenges dns --server https://acme-v02.api.letsencrypt.org/directory
    
    参数 说明
    certonly 表示安装模式,Certbot 有安装模式和验证模式两种类型的插件
    –manual 表示手动安装插件,Certbot 有很多插件,不同的插件都可以申请证书,用户可以根据需要自行选择
    -d 为那些主机申请证书,如果是通配符,输入 *.leixf.cn(可以替换为你自己的一级域名)
    –preferred-challenges dns 使用 DNS 方式校验域名所有权
    –server Let’s Encrypt ACME v2 版本使用的服务器不同于 v1 版本,需要显示指定

    输出结果

    作为依赖被升级:
      cpp.x86_64 0:4.8.5-44.el7            e2fsprogs.x86_64 0:1.42.9-19.el7 e2fsprogs-libs.x86_64 0:1.42.9-19.el7 krb5-libs.x86_64 0:1.15.1-50.el7 libcom_err.x86_64 0:1.42.9-19.el7
      libffi.x86_64 0:3.0.13-19.el7        libgcc.x86_64 0:4.8.5-44.el7     libgomp.x86_64 0:4.8.5-44.el7         libselinux.x86_64 0:2.5-15.el7   libselinux-python.x86_64 0:2.5-15.el7
      libselinux-utils.x86_64 0:2.5-15.el7 libss.x86_64 0:1.42.9-19.el7     openssl-libs.x86_64 1:1.0.2k-19.el7   python.x86_64 0:2.7.5-90.el7     python-libs.x86_64 0:2.7.5-90.el7
    
    完毕!
    Creating virtual environment...
    Installing Python packages...
    Installation succeeded.
    Saving debug log to /var/log/letsencrypt/letsencrypt.log
    Plugins selected: Authenticator manual, Installer None
    Enter email address (used for urgent renewal and security notices)
    

    接下来需要按要求输入指令

    Saving debug log to /var/log/letsencrypt/letsencrypt.log
    Plugins selected: Authenticator manual, Installer None
    Enter email address (used for urgent renewal and security notices)
     (Enter 'c' to cancel): linkun@zisefeizhu.com
    
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Please read the Terms of Service at
    https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf. You must
    agree in order to register with the ACME server at
    https://acme-v02.api.letsencrypt.org/directory
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    (A)gree/(C)ancel: A
    
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Would you be willing, once your first certificate is successfully issued, to
    share your email address with the Electronic Frontier Foundation, a founding
    partner of the Let's Encrypt project and the non-profit organization that
    develops Certbot? We'd like to send you email about our work encrypting the web,
    EFF news, campaigns, and ways to support digital freedom.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    (Y)es/(N)o: N
    Obtaining a new certificate
    Performing the following challenges:
    dns-01 challenge for zisefeizhu.com
    
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    NOTE: The IP of this machine will be publicly logged as having requested this
    certificate. If you're running certbot in manual mode on a machine that is not
    your server, please ensure you're okay with that.
    
    Are you OK with your IP being logged?
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    (Y)es/(N)o: Y
    
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Please deploy a DNS TXT record under the name
    _acme-challenge.zisefeizhu.com with the following value:
    
    JM-pzw0Cf7GKfqu_2tyIA-rmfWptxabEFPEP5gSlLEQ
    
    Before continuing, verify the record is deployed.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Press Enter to Continue
    

    这里有几个需交互的提示

    • 是否同意 Let’s Encrypt 协议要求=>需要同意
    • 是否分享你的邮箱
    • 询问是否对域名和机器(IP)进行绑定=>需要同意

    需要注意的地方:

    Please deploy a DNS TXT record under the name
    _acme-challenge.zisefeizhu.com with the following value:
    
    JM-pzw0Cf7GKfqu_2tyIA-rmfWptxabEFPEP5gSlLEQ
    
    Before continuing, verify the record is deployed.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Press Enter to Continue
    

    要求配置 DNS TXT 记录,从而校验域名所有权,也就是判断证书申请者是否有域名的所有权。

    上面输出要求给 _acme-challenge.leixf.cn 配置一条 TXT 记录,在没有确认 TXT 记录生效之前不要回车执行。

    我用的是阿里云的域名服务器,控制台具体操作如下所示:

    云解析DNS --> 域名解析 --> 解析设置 --> 记录类型(TXT) --> 主机记录(_acme-challenge) --> 解析线路(默认) --> 记录值(JM-pzw0Cf7GKfqu_2tyIA-rmfWptxabEFPEP5gSlLEQ)

    确认生效

     dig _acme-challenge.zisefeizhu.com
    
    ; <<>> DiG 9.10.6 <<>> _acme-challenge.zisefeizhu.com
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4648
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
    
    ;; OPT PSEUDOSECTION:
    ; EDNS: version: 0, flags:; udp: 4096
    ;; QUESTION SECTION:
    ;_acme-challenge.zisefeizhu.com.  IN      A
    
    ;; AUTHORITY SECTION:
    zisefeizhu.com.           600     IN      SOA     dns25.hichina.com. hostmaster.hichina.com. 2019121120 3600 1200 86400 360
    
    ;; Query time: 265 msec
    ;; SERVER: 192.168.0.1#53(192.168.0.1)
    ;; WHEN: Mon Nov 23 10:51:21 CST 2020
    ;; MSG SIZE  rcvd: 118
    

    回车执行,输出如下

    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Press Enter to Continue
    Waiting for verification...
    Cleaning up challenges
    
    IMPORTANT NOTES:
     - Congratulations! Your certificate and chain have been saved at:
       /etc/letsencrypt/live/zisefeizhu.com/fullchain.pem
       Your key file has been saved at:
       /etc/letsencrypt/live/zisefeizhu.com/privkey.pem
       Your cert will expire on 2021-02-21. To obtain a new or tweaked
       version of this certificate in the future, simply run certbot-auto
       again. To non-interactively renew *all* of your certificates, run
       "certbot-auto renew"
     - If you like Certbot, please consider supporting our work by:
    
       Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
       Donating to EFF:                    https://eff.org/donate-le
    

    看到这个界面内容的话,证书安装成功了。

    查看证书过期时间

    # ./certbot-auto certificates
    Certificate Name: zisefeizhu.com
        Serial Number: 3041ed1be0505aaa20c9c192744c3ed28f3
        Domains: *.zisefeizhu.com
        Expiry Date: 2021-02-21 01:55:54+00:00 (VALID: 89 days)
        Certificate Path: /etc/letsencrypt/live/zisefeizhu.com/fullchain.pem
        Private Key Path: /etc/letsencrypt/live/zisefeizhu.com/privkey.pem
    

    验证

    # yum install nginx
    

    取消证书

    可以使用一下命令取消刚刚生成的密匙,也就是以上的反操作:

    certbot revoke --cert-path /etc/letsencrypt/live/leixf.cn/cert.pem
    certbot delete --cert-name leixf.cn
    

    证书路径:

    /etc/letsencrypt/live/zisefeizhu.com/
    

    k8s使用

    image

    tls.crt --> /etc/letsencrypt/live/zisefeizhu.com/fullchain.pem

    tls.key --> /etc/letsencrypt/live/zisefeizhu.com/privkey.pem

    crt.sh

    kubectl create secret tls zisefeizhu-cn-crt --key tls.key --cert tls.crt -n zisefeizhu
    

    nginx-ingress.yaml

    apiVersion: extensions/v1beta1
    kind: Ingress
    metadata:
      name: nginx-test
      namespace: realihub
      annotations:
        kubernetes.io/ingress.class: "kong"
      labels:
        app: nginx-test
    spec:
      tls:
        - hosts:
            - "*.zisefeizhu.com"
          secretName: hub-zisefeizhu-com-crt
      rules:
        - host: test.zisefeizhu.com
          http:
            paths:
              - path: /
                backend:
                  serviceName: nginx-test
                  servicePort: 80
    

    参考文档:

    https://github.com/jaywcjlove/handbook/blob/master/CentOS/使用免费SSL证书让网站支持HTTPS访问.md

    https://leixf.cn/archives/142

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  • 原文地址:https://www.cnblogs.com/zisefeizhu/p/14047801.html
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