Still struggling to make it work from outside...
14:28:36 pptp,info TCP connection established from 22.111.333.44
14:28:36 pptp,ppp,info <pptp-0>: waiting for call...
14:28:36 pptp,debug,packet sent Set-Link-Info to 22.111.333.44
14:28:36 pptp,debug,packet peers-call-id=26080
14:28:36 pptp,debug,packet send-accm=0xffffffff
14:28:36 pptp,debug,packet receive-accm=0xffffffff
14:28:37 pptp,ppp,debug <22.111.333.44>: LCP timer
14:28:37 pptp,ppp,debug,packet <22.111.333.44>: sent LCP ConfReq id=0x1
14:28:37 pptp,ppp,debug,packet <mru 1460>
14:28:37 pptp,ppp,debug,packet <magic 0x623a72f5>
14:28:37 pptp,ppp,debug,packet <auth mschap2>
14:28:38 pptp,ppp,debug <22.111.333.44>: LCP timer
14:28:38 pptp,ppp,debug,packet <22.111.333.44>: sent LCP ConfReq id=0x2
14:28:38 pptp,ppp,debug,packet <mru 1460>
14:28:38 pptp,ppp,debug,packet <magic 0x623a72f5>
14:28:38 pptp,ppp,debug,packet <auth mschap2>
14:28:39 pptp,ppp,debug <22.111.333.44>: LCP timer
14:28:39 pptp,ppp,debug,packet <22.111.333.44>: sent LCP ConfReq id=0x3
14:28:39 pptp,ppp,debug,packet <mru 1460>
14:28:39 pptp,ppp,debug,packet <magic 0x623a72f5>
14:28:39 pptp,ppp,debug,packet <auth mschap2>
14:28:42 pptp,ppp,debug <22.111.333.44>: LCP timer
14:28:42 pptp,ppp,debug <22.111.333.44>: LCP timeout sending ConfReq
14:28:42 pptp,ppp,debug <22.111.333.44>: LCP lowerdown
14:28:42 pptp,ppp,info <pptp-0>: terminating...
14:28:42 pptp,ppp,info <pptp-0>: terminating...
14:28:42 pptp,ppp,debug <22.111.333.44>: LCP lowerdown
14:28:42 pptp,ppp,debug <22.111.333.44>: LCP down event in starting state
14:28:42 pptp,ppp,info <pptp-0>: disconnected
14:28:42 pptp,ppp,info <pptp-0>: disconnected