马上要搬出学校，而学校的资源大多是对教育网开放，考虑到以后的小区多半是电信的adsl接入，没办法，就想到了架个vpn服务器，当然首先想到的是在freebsd上架设。用goolge搜索了一下，发现搞得人还真多，心情马上好了一截。下面是我的步骤：
1、安装mpd(都说mpd对windows支持最好)，很简单
cd /usr/local/ports/net/mpd/
make all install clean
default:
load vpn
vpn:
load client1
#load client2
client1:
new -i ng0 pptp1 pptp1
set ipcp ranges x.x.x.x/32 y.y.y.y1/32
load pptp_def
client2:
new -i ng1 pptp2 pptp2
set ipcp ranges x.x.x.x/32 y.y.y.y2/32
load pptp_def
pptp_def:
set iface disable on-demand
set iface enable proxy-arp
set iface idle 1800
set bundle enable multilink
set link yes acfcomp protocomp
set link no pap chap
set link enable chap
set link keep-alive 10 60
set link mtu 1460
set ipcp yes vjcomp
set ipcp dns x.x.x.y
set bundle enable compression
set ccp yes mppc
set ccp yes mpp-e40
set ccp yes mpp-e128
set ccp yes mpp-stateless
open
3、配置/usr/local/etc/mpd/mpd.links
pptp1:
set link type pptp
set pptp self 对外提供vpn服务的ip
set pptp enable incoming
set pptp disable originate
pptp2:
set link type pptp
set pptp self 对外提供vpn服务的ip
set pptp enable incoming
set pptp disable originate
4、编写启动脚本/usr/local/etc/rc.d/mpd.sh
case $1 in
start)
[ -x /usr/local/sbin/mpd ] &&
/usr/local/sbin/mpd -b &&
echo -n ' mpd'
;;
stop)
killall mpd && echo -n ' mpd'
;;
*)
echo "Usage: `basename $0` {start|stop}" <&2
exit 64
;;
esac
exit 0
5、编辑用户/口令文件 /usr/local/etc/mpd/mpd/secret 很简单，照着例子作
