CentOS Linux 6.5网络及VPN Client配置

网络配置：

/etc/sysconfig/network

NETWORKING=yes

NETWORKING_IPV6=yes

HOSTNAME=localhost.localdomain

GATEWAY=192.168.5.1

/etc/sysconfig/network-scripts/ifcfg-eth0

# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]

DEVICE=eth0//用于设置网络接口的名称

BOOTPROTO=static//用于设置网络接口是配置为静态地址（static）还是配置为dhcp；

BROADCAST=192.168.5.255

HWADDR=00:0C:29:D1:42:3F

IPADDR=192.168.5.247 //设置网络接口地址

GATEWAY=192.168.5.1 //设置网络接口的默网关

IPV6ADDR=

IPV6PREFIX=

NETMASK=255.255.255.0 //设置网络接口的子网掩码

NETWORK=192.168.5.0

ONBOOT=yes

# iwconfig       列举无线网卡, 一般为"wlan0"

编辑 /etc/sysconfig/wpa_supplicant

INTERFACE="-iwlan0"

编辑 /etc/wpa_supplicant/wpa_supplicant.conf

wpa_passphrase ESSID PASSWORD >> /etc/wpa_supplicant/wpa_supplicant.conf

network={

ssid="NETWORKSSID"

scan_ssid=1

key_mgmt=WPA-PSK

psk="NETWORKPSK"

}

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VPN配置

1. 安装工具

# yum install ppp

# yum install pptp

# yum install pptp-setup

2. VPN配置

# pptpsetup --create vpn_company  --server vpn.company.com --user vpn_user

--password vpn_pass --encrypt

3. 检查配置结果

# cat /etc/ppp/chap-secrets

vpn_user vpn_company "vpm_pass" *

# cat /etc/ppp/peers/vpn_company

pty "pptp vpn.company.com --nolaunchpppd"

lock

refuse-eap

noauth

nobsdcomp

nodeflate

name vpn_user

remotename vpn_company

ipparam vpn_company

require-mppe-128

4. 注册内核模块

# modprobe ppp_mppe

5. 连接VPN

# pppd call vpn_company

6. 检查连接状态

检查日志 /var/log/messages

7. 断开连接

# killall pppd