UPWORK/ODESK guru: Tips and Tricks for clients

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PPTP VPN and GRE on VPS with Openvz

without comments

Sometimes PPTPd would work and sometimes won’t.
When you see in the logs:

GRE: xmit failed from decaps_hdlc: Operation not permitted
CTRL: PTY read or GRE write failed (pty,gre)=(6,7)

We tell iptables to open the INPUT chain of the filter for the GRE protocol.

iptables -t filter -A INPUT -p gre -j ACCEPT

Written by spectre

August 4th, 2012 at 12:03 pm

Posted in Tips and Tricks

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