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<blockquote data-quote="loqk" data-source="post: 725480" data-attributes="member: 109160">try ping rather than telnet <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />i'm not 100% sure, but port forwarding should be used to connect to things outside your network to things inside your network.the outside just sees your router's ip address when it sends stuff to you, and then the router passes the items to the correct computers.it knows which computer to send it to because that computer sent the request for the information.if a new request comes in from the internet, that wasn't asked for by a computer on your network, the router doesn't know who to send it to.port forwarding is used to tell the router which computer to use in that case.if you are having problems with your ports inside the network, that should be settings in your router's firewall, or the firewall on one of the computers.try turning them off (the firewalls, not the routers) and see if that fixes it.&nbsp; if it does, port forwarding isn't your problem, your firewall is.remember to turn your firewalls back on as soon as you finish testing though.i had a problem with clients not talking to the server properly, but mediaportal would open fine and would show the recording light correctly.i then couldn't see any tv listings, channels, or video.i tried all my firewall settings to no avail.i finally found out that it was my comodo secure dns server causing the probelm.&nbsp; i set the dns settings in the tcp/ip setting of my network to automatic, and my computers talk to each other fine again <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="loqk, post: 725480, member: 109160"] try ping rather than telnet :-) i'm not 100% sure, but port forwarding should be used to connect to things outside your network to things inside your network. the outside just sees your router's ip address when it sends stuff to you, and then the router passes the items to the correct computers. it knows which computer to send it to because that computer sent the request for the information. if a new request comes in from the internet, that wasn't asked for by a computer on your network, the router doesn't know who to send it to. port forwarding is used to tell the router which computer to use in that case. if you are having problems with your ports inside the network, that should be settings in your router's firewall, or the firewall on one of the computers. try turning them off (the firewalls, not the routers) and see if that fixes it. if it does, port forwarding isn't your problem, your firewall is. remember to turn your firewalls back on as soon as you finish testing though. i had a problem with clients not talking to the server properly, but mediaportal would open fine and would show the recording light correctly. i then couldn't see any tv listings, channels, or video. i tried all my firewall settings to no avail. i finally found out that it was my comodo secure dns server causing the probelm. i set the dns settings in the tcp/ip setting of my network to automatic, and my computers talk to each other fine again :-) [/QUOTE]

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