Ken Ambrose wrote:
> 
> While we're on this topic...  I'm tyring to get PoPToP running on my work
> machine, and failing (maybe).  I guess the real problem is client-side --
> the documentation on how to set up the pptp client is sparse at best (the
> entire "USING" file is 19 lines long, and amazingly uninformative).  Maybe
> I'm just lacking the experience that would make it all obvious, but when I
> try to kick off pptp, I use:
> 
> pptp ip.address.of.host
> 
> and it seems to work -- pppd gets kicked off, happy things are said... but
> ppp0 never comes up, nor gets an IP, and finally dies with
> 
> LCP: timeout sending Config-Requests

This is usually because there is a firewall between the client and
server that is either blocking or NATing the traffic. If it is a NAT
situation, then you need the VPN Masquerade patch for linux
(http://www.wolfenet.com/~jhardin). If it is just blocing the traffic,
then you need to open up port 1723 for tcp and protocol 47 (GRE).

> Then, when I try to kick it off to try some other command-line syntax, I
> get:
> 
> warn[open_unixsock:pptp_callmgr.c:308]: Call manager for 64.65.199.186 is already 
>running.

You need to rm /var/run/pptp/*
 
> lsof | grep socket
> 
> doesn't show anything apparent, and there aren't any pppd nor pptp
> processes showing.  Any of you VPN gurus got any pointers?  (And, yes, I'm
> reasonably sure that my PoPToP/pppd server is configured properly, though,
> obviously, not certain.  PoPToP has great documentation, though, so I'm
> fairly confident; the client side, OTOH, has me grasping at straws.)

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