PPTP失败~

soulmoon

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安装了dkms,系统也自带ppp,也安装了pptpd.rpm,可运行pptp出现一对提示..
   [root@localhost /]# pptp               
pptp version 1.7.2                     
Copyright (C) 2000  Free Software Foundation

This program comes with ABSOLUTELY NO WARRANTY; for details see source.
This is free software, and you are welcome to redistribute it under certain
conditions; see source for details.

Usage:
  pptp <hostname> [<pptp options>] [[--] <pppd options>]

Or using pppd's pty option:
  pppd pty "pptp <hostname> --nolaunchpppd <pptp options>"

Available pptp options:
  --version        Display version number and exit
  --phone <number>      Pass <number> to remote host as phone number
  --nolaunchpppd        Do not launch pppd, for use as a pppd pty
  --quirks <quirk>      Work around a buggy PPTP implementation
                        Currently recognised values are BEZEQ_ISRAEL only
  --debug               Run in foreground (for debugging with gdb)
  --sync                Enable Synchronous HDLC (pppd must use it too)
  --timeout <secs>      Time to wait for reordered packets (0.01 to 10 secs)
  --nobuffer            Disable packet buffering and reordering completely
  --idle-wait           Time to wait before sending echo request
  --max-echo-wait               Time to wait before giving up on lack of reply
  --logstring <name>    Use <name> instead of 'anon' in syslog messages
  --localbind <addr>    Bind to specified IP address instead of wildcard
  --loglevel <level>    Sets the debugging level (0=low, 1=default, 2=high)
  --test-type <type>    Damage the packet stream by reordering
  --test-rate <n>               Do the test every n packets
[root@localhost /]# ^C

voostar

Usage:
pptp <hostname> [<pptp options>] [[--] <pppd options>]

Or using pppd's pty option:
pppd pty "pptp <hostname> --nolaunchpppd <pptp options>"

这不是有提示么？