鍵認証を必要としない簡単なVPN接続
環境 CentOS5.9 x86_64
# wget http://poptop.sourceforge.net/yum/beta/packages/pptpd-1.3.4-2.rhel5.x86_64.rpm
# rpm -vhi pptpd-1.3.4-2.rhel5.x86_64.rpm
# yum whatprovides "libpcap.so.0.9.4"
# yum install libpcap
# wget http://poptop.sourceforge.net/yum/beta/packages/ppp-2.4.4-14.1.rhel5.x86_64.rpm
# rpm -vhi ppp-2.4.4-14.1.rhel5.x86_64.rpm
# rpm -vhi pptpd-1.3.4-2.rhel5.x86_64.rpm
# diff /etc/pptpd.conf{,.org}
----
96,97c96,97
< localip 192.168.0.1
< remoteip 192.168.0.100-169
---
> #localip 192.168.0.1
> #remoteip 192.168.0.234-238,192.168.0.245
----
diff /etc/ppp/options.pptpd{,.org}
変更なし
/etc/init.d/pptpd start
クライアント側では、暗号化して接続にチェックを入れる