Are you running PopTop on CentOS as a VPN Server?If so, what's in your pptpd.conf file?What does the pptpd log say when it refuses the connection?FYI: you d... [by vonskippy]
on 04/30/2012 – Made popular on 04/30/2012
Situation is this: Client C connects to pptpd VPN server V. C is listening on port 80 (webserver). How should pptpd on V be configured so connecting to V:80 would actually connect to C:80? Server is running ubuntu 12.04 OS.
error gating when tried to connect with server throw VPN PPTP
Dec 18 08:29:33 ks368776 pppd: In file /etc/ppp/pptpd-options: unrecognized option 'require-mppe-stateful'
Dec 18 08:29:33 ks368776 pptpd: GRE: read(fd=6,buffer=80504c0,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs