安裝 DockOVPN 的 OpenVPN Docker 方案

Alpine 3.19 需要執行以下指令

modprobe ip_tables
echo 'ip_tables' >> /etc/modules

執行後需要重新開機

  • 因應維護管理設定 OpenVPN Server 的方便性, 預計將以下目錄或設定檔掛載出來
    • /opt/Dockovpn → ./Dockovpn
    • /opt/Dockovpn_data → ./Dockovpn_data
    • /etc/openvpn/server.conf → ./Dockovpn/config/server.conf
  • VPN Server : vpn.ichiayi.com
  • docker-compose.yml
    version: '3'
    services:
        dockovpn:
            image: alekslitvinenk/openvpn:v1.13.0
            cap_add:
                - NET_ADMIN
            ports:
                - 80:8080/tcp
                - 1194:1194/udp
                - 5555:5555/tcp
            environment:
                - HOST_ADDR=vpn.ichiayi.com
                - HOST_TUN_PORT=1194
            container_name: dockovpn
            #volumes:
            #    - ./Dockovpn:/opt/Dockovpn
            #    - ./Dockovpn_data:/opt/Dockovpn_data
            #    - ./Dockovpn/config/server.conf:/etc/openvpn/server.conf
            restart: always

    第一次執行時, volumes 部分必須要註解起來, 否則會出錯

  • 第一次啟動

    docker compose up -d

  • 啟動後將 Dockovpn 與 Dockovpn_data 複製出來

    docker cp dockovpn:/opt/Dockovpn .
    docker cp dockovpn:/opt/Dockovpn_data .

  • 將 Dockovpn 內的 genclient.sh 與 functions.sh 用 github 最新版本取代

    wget https://github.com/dockovpn/dockovpn/raw/master/scripts/genclient.sh -O ./Dockovpn/genclient.sh
    wget https://github.com/dockovpn/dockovpn/raw/master/scripts/functions.sh -O ./Dockovpn/functions.sh

  • 依照實際需要修改 server.conf

    vi ./Dockovpn/config/server.conf

    port 1194
    proto udp
    dev tun
    
    cipher AES-256-GCM
    auth SHA512
    
    keepalive 10 120
    
    persist-key
    persist-tun
    
    crl-verify /etc/openvpn/crl.pem
    
    ca /etc/openvpn/ca.crt
    dh /etc/openvpn/dh.pem
    tls-auth /etc/openvpn/ta.key 0
    key /etc/openvpn/MyReq.key
    cert /etc/openvpn/MyReq.crt
    
    ifconfig-pool-persist ipp.txt
    status openvpn-status.log
    verb 4
    management 0.0.0.0 5555
    
    server 10.8.0.0 255.255.255.0
    push "redirect-gateway def1 bypass-dhcp"
    #push "dhcp-option DNS 1.1.1.1"
    #push "dhcp-option DNS 8.8.8.8"
    push "route 192.168.11.0 255.255.255.0"
    push "route 172.16.0.0 255.255.255.0"
    push "route 172.16.1.0 255.255.255.0"
    push "route 172.16.2.0 255.255.255.0"
    push "route 172.16.12.0 255.255.255.0"
    
    #duplicate-cn
    #ncp-ciphers AES-256-GCM:AES-256-CBC
    #tls-server
    #tls-version-min 1.2
  • 將 vloumes 掛上, 重啟 dockovpn

    vi ./docker-compose.yml

    :
            container_name: dockovpn
            volumes:
                - ./Dockovpn:/opt/Dockovpn
                - ./Dockovpn_data:/opt/Dockovpn_data
                - ./Dockovpn/config/server.conf:/etc/openvpn/server.conf
            restart: always
    docker compose up -d
如果不想要 client 將 openvpn server 當 default gateway

vi Dockovpn/config/server.conf

將 redirect-gateway 註解掉

:
#push "redirect-gateway def1 bypass-dhcp"
:
如果想要讓 openvpn server 服務 Listen 在 TCP/443
  1. 修改 docker-compose.yml 將 port 由 1194:1194/udp 改成 443:443/tcp
            :
            ports:
                - 80:8080/tcp
                - 443:443/tcp
                - 5555:5555/tcp
            environment:
                - HOST_ADDR=vpn.ichiayi.com
                - HOST_TUN_PORT=443
            :
  2. 修改 Dockovpn/config/server.conf 內 port 與 proto 的設定
    port 443
    proto tcp
    dev tun
    :
  3. 修改 Dockovpn/config/client.ovpn 內 proto 的設定
    :
    proto tcp
    :
  4. 重新啟動 docker compose

    docker compose up -d

如果想要將 openvpn server 的 VPN IP 由預設 10.8.0.0/24 改成其他的網段 Exp. 10.9.0.0/24
  1. 更新 Dockovpn/start.sh (用這檔案取代 https://github.com/tryweb/dockovpn/blob/master/scripts/start.sh)1)

    wget https://github.com/tryweb/dockovpn/raw/master/scripts/start.sh -O ./Dockovpn/start.sh

  2. 修改 docker-compose.yml 增加環境變數 OVPN_IP_NET=10.9.0.0/24
            :
            environment:
                - HOST_ADDR=vpn.ichiayi.com
                - HOST_TUN_PORT=443
                - HOST_TUN_PROTO=tcp
                - OVPN_IP_NET=10.9.0.0/24
            :
  3. 修改 Dockovpn/config/server.conf 內 server 的設定
    :
    server 10.9.0.0 255.255.255.0
    :
  4. 重新啟動 docker compose

    docker compose up -d

  • Exp. 新增 test1

    docker exec dockovpn ./genclient.sh n test1

  • 可以在 ./Dockovpn_data/clients 目錄看到建立 test1

    ls -lt ./Dockovpn_data/clients

  • Exp. 刪除 test1

    docker exec dockovpn ./rmclient.sh test1
    rm -rf ./Dockovpn_data/clients/test1

  • 可以在 ./Dockovpn_data/pki/index.txt 看到被廢止憑證註記 R

    cat ./Dockovpn_data/pki/index.txt

  • cat ./Dockovpn/openvpn-status.log

  • 安裝 openvpn.py

    apk add --update --no-cache python3
    ln -sf python3 /usr/bin/python
    mkdir -p /opt/openvpn-snmp-stats/db
    cd /opt/openvpn-snmp-stats
    wget https://raw.githubusercontent.com/tryweb/-openvpn-snmp-stats/alpine3/openvpn.py
    chmod a+x openvpn.py

    安裝後可以先執行驗證 Exp.

    openvpn-61:~# /opt/openvpn-snmp-stats/openvpn.py
    {"errorString": "", "error": 0, "version": 1, "data": {"tun0": {"iv9614": {"minutes_since_last_handshake": 506, "bytes_rcvd": 106350, "bytes_sent": 78677}, "jonathan_pixel5": {"minutes_since_last_handshake": 535, "bytes_rcvd": 23584, "bytes_sent": 37931}, "jonathan": {"minutes_since_last_handshake": 536, "bytes_rcvd": 7086888, "bytes_sent": 41041820}, "UNDEF": {"minutes_since_last_handshake": 495, "bytes_rcvd": 0, "bytes_sent": 0}}}}

  • 設定 snmpd.conf

    vi /etc/snmp/snmpd.conf

    :
    
    extend wireguard /opt/openvpn-snmp-stats/openvpn.py
    service snmpd restart

  • tech/dockovpn.txt
  • 上一次變更: 2024/04/15 12:31
  • jonathan