컨테이너가 아닌 네이티브 설치는 다음 포스트를 참조
openVPN 서버구축 #1. 개요
openVPN 서버구축 #2. 서버 설치 및 설정
docker-compose.yaml 생성
version: '2'
services:
openvpn:
cap_add:
- NET_ADMIN
image: kylemanna/openvpn
container_name: openvpn
ports:
- "1194:1194/udp"
restart: always
volumes:
- ./openvpn-data/conf:/etc/openvpn #.openvpn-data/conf 디렉토리를 생성해야 한다.
설정파일 및 인증서 초기화
docker-compose run --rm openvpn ovpn_genconfig -u udp://VPN.YOUR_HOST.NAME # 아래는 수행 결과 reating network "vpn_default" with the default driver Pulling openvpn (kylemanna/openvpn:)... ....중략.... Creating vpn_openvpn_run ... done Processing PUSH Config: 'block-outside-dns' Processing Route Config: '192.168.254.0/24' Processing PUSH Config: 'dhcp-option DNS 8.8.8.8' Processing PUSH Config: 'dhcp-option DNS 8.8.4.4' Processing PUSH Config: 'comp-lzo no' Successfully generated config Cleaning up before Exit ...
docker-compose run --rm openvpn ovpn_initpki # 아래는 수행 결과 Creating vpn_openvpn_run ... done init-pki complete; you may now create a CA or requests. Your newly created PKI dir is: /etc/openvpn/pki Using SSL: openssl OpenSSL 1.1.1g 21 Apr 2020 Enter New CA Key Passphrase: CA_KEY의_Passphrase Re-Enter New CA Key Passphrase: CA_KEY의_Passphrase Generating RSA private key, 2048 bit long modulus (2 primes) ................................+++++ ......................................................+++++ e is 65537 (0x010001) You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Common Name (eg: your user, host, or server name) [Easy-RSA CA]:vpn.haedongg.net CA creation complete and you may now import and sign cert requests. Your new CA certificate file for publishing is at: /etc/openvpn/pki/ca.crt Using SSL: openssl OpenSSL 1.1.1g 21 Apr 2020 Generating DH parameters, 2048 bit long safe prime, generator 2 This is going to take a long time ..............................................................+...........................................+.......................................................... ...중략... ........................................................+..+....................+................................................................+....+..++*++*++*++* DH parameters of size 2048 created at /etc/openvpn/pki/dh.pem Using SSL: openssl OpenSSL 1.1.1g 21 Apr 2020 Generating a RSA private key .............+++++ ............................+++++ writing new private key to '/etc/openvpn/pki/easy-rsa-74.akeLei/tmp.JBdIKe' ----- Using configuration from /etc/openvpn/pki/easy-rsa-74.akeLei/tmp.BfJlok Enter pass phrase for /etc/openvpn/pki/private/ca.key: Check that the request matches the signature Signature ok The Subject's Distinguished Name is as follows commonName :ASN.1 12:'vpn.haedongg.net' Certificate is to be certified until Jul 30 00:51:51 2025 GMT (825 days) Write out database with 1 new entries Data Base Updated Using SSL: openssl OpenSSL 1.1.1g 21 Apr 2020 Using configuration from /etc/openvpn/pki/easy-rsa-149.FPcifA/tmp.cjaMHC Enter pass phrase for /etc/openvpn/pki/private/ca.key: 위_11_12_라인에서_입력했던_Passphrase An updated CRL has been created. CRL file: /etc/openvpn/pki/crl.pem
디렉토리 권한 변경
sudo chown -R $(whoami): ./openvpn-data
서버 프로세스 실행
docker-compose up -d openvpn
클라이언트 사용자 생성 및 인증서 생성
# 비밀번호화 함께 생성 docker-compose run --rm openvpn easyrsa build-client-full 사용자_이름 # 비밀번호 없이 생성 docker-compose run --rm openvpn easyrsa build-client-full 사용자_이름 nopass # 인증서 파일 출력, 이 파일을 클라이언트 사용자에게 전달하면 된다. docker-compose run --rm openvpn ovpn_getclient 사용자_이름 > 사용자_이름.ovpn
클라이언트 사용자 제거
# Keep the corresponding crt, key and req files. docker-compose run --rm openvpn ovpn_revokeclient $CLIENTNAME # Remove the corresponding crt, key and req files. docker-compose run --rm openvpn ovpn_revokeclient $CLIENTNAME remove
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