centos配置openvpn账号密码登录

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vim /etc/openvpn/checkpsw.sh

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#!/bin/sh
###########################################################
# checkpsw.sh (C) 2004 Mathias Sundman
#
# This script will authenticate OpenVPN users against
# a plain text file. The passfile should simply contain
# one row per user with the username first followed by
# one or more space(s) or tab(s) and then the password.

PASSFILE="/etc/openvpn/psw-file"
LOG_FILE="/etc/openvpn/openvpn-password.log"
TIME_STAMP=`date "+%Y-%m-%d %T"`

###########################################################

if [ ! -r "${PASSFILE}" ]; then
  echo "${TIME_STAMP}: Could not open password file \"${PASSFILE}\" for reading." >> ${LOG_FILE}
  exit 1
fi

CORRECT_PASSWORD=`awk '!/^;/&&!/^#/&&$1=="'${username}'"{print $2;exit}' ${PASSFILE}`

if [ "${CORRECT_PASSWORD}" = "" ]; then
  echo "${TIME_STAMP}: User does not exist: username=\"${username}\", password=\"${password}\"." >> ${LOG_FILE}
  exit 1
fi

if [ "${password}" = "${CORRECT_PASSWORD}" ]; then
  echo "${TIME_STAMP}: Successful authentication: username=\"${username}\"." >> ${LOG_FILE}
  exit 0
fi

echo "${TIME_STAMP}: Incorrect password: username=\"${username}\", password=\"${password}\"." >> ${LOG_FILE}
exit 1

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chmod 755 /etc/openvpn/checkpsw.sh

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cat /etc/openvpn/psw-file
abcdocker 123456
abc 123456
test test


#前面为用户名，后面为密码。 中间使用空格分开

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cat >>/etc/openvpn/server.conf<<EOF
script-security 3
auth-user-pass-verify /etc/openvpn/checkpsw.sh via-env    #指定用户认证脚本
username-as-common-name
verify-client-cert none
EOF

#在service.conf最后一行添加

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client
dev tun
proto tcp
remote 192.168.0.11 1194
resolv-retry infinite
nobind
persist-key
persist-tun
ca ca.crt
;cert cyh.crt      #注释
;key cyh.key      #注释
tls-auth ta.key 1
cipher AES-256-CBC
comp-lzo
verb 3
auth-user-pass              #使用用户名密码登录openvpn服务器


#主要是注释crt和key路径，以及添加一行auth-user-pass