Which ports do you need to open on a firewall to allow

hi, i just bought a new cisco router4321, when i try to port forward vpn ports by using following command: ip nat inside source static tcp 1723 public_ip LanVPNSvr_IP 1723 got a message "port 1723 is being used by the system", and i need to forward all following vpn ports, please help me with the right commands, thank you in advance:) PPTP connection refused ? 1723 TCP - not listening Nov 12, 2012 Mikrotik PPTP VPN Server Firewall Configuration - YouTube Jun 06, 2014 pptp Archives - Networking HowTos

How to set up VPN server with port forwarding? | Official

VPN PPTP Free Indonesia | pptp-indonesia.listvpn.net The Best Premium Free PPTP VPN Indonesia with hostname server pptp-indonesia.listvpn.net on port 1723 which is suitable for use on all devices, such as Android, Windows, Linux, Mac, iOS and others VPN PPTP Free Singapore | sggs-sg.pptpvpn.net The Best Premium Free PPTP VPN Singapore with hostname server sggs-sg.pptpvpn.net on port 1723 which is suitable for use on all devices, such as Android, …

hi, i just bought a new cisco router4321, when i try to port forward vpn ports by using following command: ip nat inside source static tcp 1723 public_ip LanVPNSvr_IP 1723 got a message "port 1723 is being used by the system", and i need to forward all following vpn ports, please help me with the right commands, thank you in advance:)

cisco router4321: how to port forward vpn ports to hi, i just bought a new cisco router4321, when i try to port forward vpn ports by using following command: ip nat inside source static tcp 1723 public_ip LanVPNSvr_IP 1723 got a message "port 1723 is being used by the system", and i need to forward all following vpn ports, please help me with the right commands, thank you in advance:) PPTP connection refused ? 1723 TCP - not listening Nov 12, 2012 Mikrotik PPTP VPN Server Firewall Configuration - YouTube Jun 06, 2014 pptp Archives - Networking HowTos