https://community.bt.com/t5/Home-setup-Wi-Fi-network/Firewall/m-p/2455681#M217622 <P>Ask Solis what port(s) they need opening you then need to port forward those ports to the internal IP address of your inverter.</P><P>However, it seems a bit strange that they need to initiate the connection as they will need to know your public IP address to do so.</P><P>Normally the inverter would initiate the connection and thus port forwarding wouldn't be required.</P> Tue, 17 Feb 2026 08:01:00 GMT licquorice 2026-02-17T08:01:00Z https://community.bt.com/t5/Home-setup-Wi-Fi-network/Firewall/m-p/2455679#M217621 <P><SPAN>Hello I'm trying to get my Solis Inverter updated. Solis say they can't access My system remotely because a firewall is stopping them. How would I give them access? Thanks</SPAN></P> Tue, 17 Feb 2026 07:02:22 GMT https://community.bt.com/t5/Home-setup-Wi-Fi-network/Firewall/m-p/2455679#M217621 Forele 2026-02-17T07:02:22Z https://community.bt.com/t5/Home-setup-Wi-Fi-network/Firewall/m-p/2455681#M217622 <P>Ask Solis what port(s) they need opening you then need to port forward those ports to the internal IP address of your inverter.</P><P>However, it seems a bit strange that they need to initiate the connection as they will need to know your public IP address to do so.</P><P>Normally the inverter would initiate the connection and thus port forwarding wouldn't be required.</P> Tue, 17 Feb 2026 08:01:00 GMT https://community.bt.com/t5/Home-setup-Wi-Fi-network/Firewall/m-p/2455681#M217622 licquorice 2026-02-17T08:01:00Z