FreeBSD7.1下的VPN拨号连接
一直以来想做个在linux下的VPN客户端拨号，但是因为水平太菜，从来没 成功过，最近因为工作需要，又要面对这个历史难题，起先用centos系统拨号经历了无数次失败，无奈下只好改用FreeBSD的，不过刚开始的时候也不 是一帆风顺的，期间也遇到了不少的问题，目前虽然能拨上VPN服务器了，但是无法修改默认路由，还不能算是圆满完成，不过还是先要在这记录下的，哈哈！也 希望有大侠能帮忙解答下吧！
[root@yang ~]#cd /usr/ports/net/pptpclient 通过ports方式安装PPTP客户端
[root@yang /usr/ports/net/pptpclient]# ls
Makefile distinfo files pkg-descr pkg-plist
[root@yang /usr/ports/net/pptpclient]# make install clean
[root@yang /]# pp
ctl pppd pppstats pptp
[root@yang /]# ls /etc/ppp/
ppp.conf ppp.conf.bak
[root@yang /]# cd /etc/ppp/ 修改ppp.conf文件如下
[root@yang /etc/ppp]# vi ppp.conf
yang:
set authname administrator VPN账号 （服务器为日文版2003）
set authkey yang VPN账号密码
set timeout 0
set ifaddr 0 0
add 12.12.12.0/32 HISADDR VPN服务器为客户端提供的IP地址段
alias enable yes
[root@yang /]# ping 192.168.0.24 测试连通性和VPN服务是否启动
PING 192.168.0.24 (192.168.0.24): 56 data bytes
64 bytes from 192.168.0.24: icmp_seq=0 ttl=128 time=4.239 ms
64 bytes from 192.168.0.24: icmp_seq=1 ttl=128 time=1.504 ms
^C
--- 192.168.0.24 ping statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 1.504/2.872/4.239/1.367 ms
[root@yang /]# telnet 192.168.0.24 1723
Trying 192.168.0.24...
Connected to 192.168.0.24.
Escape character is '^]'
Connection closed by foreign host.
[root@yang /]# pptp 192.168.0.24 yang & 开始拨号
[1] 1122
[root@yang /]# /bin/ip: not found 这个信息是为什么还不知道呢！
/bin/ip: not found
Loading /lib/libalias_cuseeme.so
Loading /lib/libalias_ftp.so
Loading /lib/libalias_irc.so
Loading /lib/libalias_nbt.so
Loading /lib/libalias_pptp.so
Loading /lib/libalias_skinny.so
Loading /lib/libalias_smedia.so
[root@yang /]# ifconfig
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1398
inet 12.12.12.20 --> 12.12.12.12 netmask 0xffffffff
Opened by PID 1122
[root@yang ~]# ping 12.12.12.12
PING 12.12.12.12 (12.12.12.12): 56 data bytes
64 bytes from 12.12.12.12: icmp_seq=0 ttl=128 time=10.338 ms
64 bytes from 12.12.12.12: icmp_seq=1 ttl=128 time=9.520 ms
^C
--- 12.12.12.12 ping statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 9.520/9.929/10.338/0.409 ms
[root@yang ~]# tail -f /var/log/ppp.log 查看日志记录，在信息中可以看到修改路由失败，郁闷啊！使用手工方式修改的路由的时候，也是报同样的错误，网络不可达！
Aug 3 17:47:56 yang ppp[1122]: Phase: Using interface: tun0
Aug 3 17:47:56 yang ppp[1122]: Phase: deflink: Created in closed state
Aug 3 17:47:56 yang ppp[1122]: Warning: The alias command is deprecated
Aug 3 17:47:56 yang ppp[1122]: Phase: PPP Started (direct mode).
Aug 3 17:47:56 yang ppp[1122]: Phase: bundle: Establish
Aug 3 17:47:56 yang ppp[1122]: Phase: deflink: closed -> opening
Aug 3 17:47:56 yang ppp[1122]: Phase: deflink: Connected!
Aug 3 17:47:56 yang ppp[1122]: Phase: deflink: opening -> carrier
Aug 3 17:47:57 yang ppp[1122]: Phase: deflink: carrier -> lcp
Aug 3 17:47:58 yang ppp[1122]: Phase: bundle: Authenticate
Aug 3 17:47:58 yang ppp[1122]: Phase: deflink: his = CHAP 0x81, mine = none
Aug 3 17:47:58 yang ppp[1122]: Phase: Chap Input: CHALLENGE (16 bytes from POE MDB-HA8XCFGV)
Aug 3 17:47:58 yang ppp[1122]: Phase: Chap Output: RESPONSE (administrator)
Aug 3 17:47:58 yang ppp[1122]: Phase: Chap Input: SUCCESS (S=65B11770FA9DFE478 069D35C3C5966FB9BB258CC)
Aug 3 17:47:58 yang ppp[1122]: Phase: deflink: lcp -> open
Aug 3 17:47:58 yang ppp[1122]: Phase: bundle: Network
Aug 3 17:47:58 yang ppp[1122]: Phase: deflink: IPV6CP protocol reject closes I PV6CP !
Aug 3 17:48:01 yang last message repeated 2 times
Aug 3 17:48:01 yang ppp[1122]: Warning: ff02:6::/32: Change route failed: errn o: Network is unreachable
Aug 3 17:48:01 yang ppp[1122]: Warning: ff02:6::/32: Change route failed: errn o: Network is unreachable
Aug 3 17:48:04 yang ppp[1122]: Phase: deflink: IPV6CP protocol reject closes I PV6CP !
Aug 3 17:48:10 yang last message repeated 2 times
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