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PPTP VPN

AleeLb

Dears, 

i've problem in the PPTP VPN. i configure the PPTP vpn with my local domain IP and i add my users then i configure firewall rules.

and when i try to test it doesn't work at all and it gives me on the log the below error

2016:06:13-14:32:20 utm pppd-pptp[13270]: pppd 2.4.5 started by (unknown), uid 0

2016:06:13-14:32:20 utm pppd-pptp[13270]: Starting negotiation on /dev/pts/0
2016:06:13-14:32:20 utm pptpd[13269]: GRE: Bad checksum from pppd.
2016:06:13-14:32:20 utm pptpd[13269]: GRE: xmit failed from decaps_hdlc: Operation not permitted
2016:06:13-14:32:20 utm pptpd[13269]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
2016:06:13-14:32:20 utm pptpd[13269]: CTRL: Reaping child PPP[13270]
2016:06:13-14:32:20 utm pppd-pptp[13270]: Modem hangup
2016:06:13-14:32:20 utm pppd-pptp[13270]: Connection terminated.
2016:06:13-14:32:20 utm pppd-pptp[13270]: Exit.
2016:06:13-14:32:20 utm pptpd[13269]: CTRL: Client 154.118.42.233 control connection finished
any suggestion
thank you


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  • 0

    Check the following.

    1. In the Windows VPN settings, under Security > Type of VPN ensure that PPTP is set

    2. Under the data encryption section. Ensure "Optional encryption (connect even if no encryption" is checked.

    3. Check the Firewall logs, filtering on your remote clients public IP to see if any traffic is being dropped. If so, maybe you need to create firewall rules for those services. 

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  • 0

    Check the following.

    1. In the Windows VPN settings, under Security > Type of VPN ensure that PPTP is set

    2. Under the data encryption section. Ensure "Optional encryption (connect even if no encryption" is checked.

    3. Check the Firewall logs, filtering on your remote clients public IP to see if any traffic is being dropped. If so, maybe you need to create firewall rules for those services. 

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