Feb 22 05:41:41 [pptpd] CTRL: Client 10.3.175.225 control connection started
Feb 22 05:41:41 [pptpd] CTRL: Starting call (launching pppd, opening GRE)
Feb 22 05:41:41 [pppd] Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
Feb 22 05:41:41 [pppd] The remote system is required to authenticate itself
Feb 22 05:41:41 [pppd] but I couldn't find any suitable secret (password) for it to use to do so.
Feb 22 05:41:41 [pptpd] GRE: read(fd=6,buffer=6075a0,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
Feb 22 05:41:41 [pptpd] CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
Feb 22 05:41:41 [pptpd] CTRL: Client 10.3.175.225 control connection finished