Hi everybody,

I am writing because one week ago we decided to buy a new company router and we chose Vigor 3900 model. However, in spite it was set up and it is working fine, we aren't able to open some needed ports. No firewall rules have been set up in the router and even so, when we do a TCP or UDP port scanner these packets are shown as filtered. (All ports are closed)

Furthermore, I would like to attached the following information regarding port redirection: (NAT -> Port Redirection)

Profile Enable WAN Profile Use IP Alias Alias Private IP Protocol Port Redirection Mode Public Port Start Public Port End Private Port
1 Mail_server True All 192.168.1.1 TCP One-to-One 465 465
2 VPN_AH True All 192.168.1.1 TCP One-to-One 50 50
3 VPN_ESP True All 192.168.1.1 TCP One-to-One 51 51
4 VPN_IKE True All 192.168.1.1 UDP One-to-One 500 500
5 VPN_IKE2 True All 192.168.1.1 UDP One-to-One 4500 4500

As you can see, the only ports we do need to have opened are related with our Gmail servers and VPN connection.

Finally, I will be glad to answer any further questions which can help you to solve this issue. I would appreciate any help or idea.

Thank you in advance for your replies.

Hi Josec,

Did you get this resolved? I am in a similar situation.