Initial vpn experience in linux

The initial vpn experience in linux-Linux Enterprise Application-Linux server application information. The following is a detailed description. I am idle, and I have a vpn service in the company's Intranet, so that I can easily log on to the company's intranet elsewhere. Next, I will send my operation steps:

Rpm-ivh dkms-2.0.5-1.noarch.rpm

Rpm-ivh kernel_ppp_mppe-0.0.5-2dkms.noarch.rpm

Rpm-Uvh ppp-2.4.3-5.rhel4.i386.rpm

Rpm-ivh pptpd-1.3.0-0.i386.rpm

Vi/etc/pptpd. conf

Vi/etc/ppp/options.ppt pd

Vi/etc/ppp/chap-secrets

Echo "1">/proc/sys/net/ipv4/ip_forward

Iptables-t nat-a postrouting-s 192.168.138.0/24-j MASQUERADE

Attached ptions.ppt pd and pptpd. conf files

[Options.ppt pd]
# Enable authentication
Lock
Auth
Debug

# It is equivalent to the domain used for authentication. enter the name of the VPN Server here.
Name pptpd

# Reject pap Authentication
Refuse-pap

# Reject chap authentication
Refuse-chap

# Reject mschap Authentication
Refuse-mschap

# Reject eap Authentication
Refuse-eap

# Using mschap-v2 authentication methods
Require-mschap-v2

# Requires 128-bit MPPE Encryption
Require-mppe-128

# Stateless, stateful mppe-stateful
Nomppe-stateful

# The DNS parameters allocated after the VPN Client is connected successfully
Ms-dns 202.106.46.151

# The WINS parameter assigned after the VPN Client is connected successfully
# Ms-dns 202.106.46.151

# Enable ARP proxy
Proxyarp


[Pptpd. conf]

# Specify the PPP service program
Ppp/usr/sbin/pppd

# Specify option Configuration
Option/etc/ppp/options.ppt pd

# Specify a local IP Address
Localip 10.10.234.23

# Specify the assigned remote IP Address
Remoteip 192.168.138.231-235

# Specify the subnet mask
# Netmask 255.255.255.0