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VPN set up issues

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  • 15-01-2008 12:06am
    #1
    Fenster
    Closed Accounts Posts: 4,763 ✭✭✭


    I'm currently helping to set up a smallish VPN. The hardware we're using is a SnapGear SG560. It's VPN server is PoPToP running on Redhat Linux. The problem we're having right now is that it's consistently denying connections seemingly at random. I've personally looked at it and tried to connect via Linux, OS X and Windows from both inside and outside the network, and have been consistently declined. Here is a a sample of the log:
    Jan 14 14:34:55 pptpd[13158]: GRE: read(fd=6,buffer=145a8,len=4096) from PTY failed: status = -1 error = Error 5 
Jan 14 14:34:55 pptpd[13158]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7) 
Jan 14 14:34:55 pptpd[13158]: CTRL: Client **.**.**.**.** control connection finished 
Jan 14 14:34:55 pptpd[13158]: CTRL: Couldn't write packet to client. 
Jan 14 14:34:55 last message repeated 1 time(s) 
Jan 14 14:34:55 pptp_callmgr[13157]: Control connection closed by peer 
Jan 14 14:34:55 pptp_callmgr[13157]: closing 6 (inet)  
Jan 14 14:34:55 pptp[13184]: Trying host **.**.**.**.** ... 
Jan 14 14:34:55 pptp[13184]: Connect succeeded

    It seems like we open a connection, but the server cannot complete it? This is really my first time experimenting with a VPN, and I'm admittedly a little lost. I've looked into PoPToP's documentation, but it mostly seems to revolve around basic installation, which doesn't help me much right now.

    Barring miraculous divine intervention, where or what should I do?


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