Joe has switched his parents over to Comcast for internet access and TV, and he”s having a hard time opening ports through the router for their alarm system. What can he do? Rich says to try what Xfinity recommends here – https://www.xfinity.com/support/articles/port-forwarding-xfinity-wireless-gateway. If that doesn”t work, then it may be that the port forwarding capability of Xfinity is limited. Rich also says to make sure the firmware is updated.
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Why can't my mobile phone do wifi calling?
Gary has a Motorola G5 plus mobile phone with T-Mobile and after his phone updated, his WiFi calling option won”t connect. Leo says the culprit is that the update broke that feature, and it is only a matter of time before Motorola puts out a fix. Leo says that his router may also have an issue with it. He may need to log into the router through the browser and reenable port forwarding or open port option with UDP enabled.
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Why can't I connect to my wireless devices with my router?
Bret from Fort Worth, TX
Bret is having issues accessing wireless cameras due to blocked ports on his router. Leo says what he wants to do is “port forwarding,” and it may be that he”ll want to use a higher, five digit port to connect to them. The lower port numbers may either be reserved or in use, like 8080. He should try going higher. He”ll also need to use ports that his devices understand. So Bret should look in his manual to see what ports the device supports.
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Why can't I use my Nest Cam with my network?
Frank is having trouble installing his Nest Cam. It won”t work unless he turns off his firewall. Leo says that”s not good. But it”s the nature of a firewall, as it blocks a conversation between incoming and outgoing traffic. That”s why Leo recommends using a router instead. He can also use the DMZ feature, where he could allow the Nest Cam to bypass protection. Leo doesn”t recommend it, but it can be one option.
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Will we start getting location based text message ads like China is doing?
Alan went to China and wanted to report his experience getting by the great Firewall of China. He used alternate ports with remote desktop and TeamViewer to skirt China”s blocking restrictions, and it worked great. Leo says it sounds like China just blocked standard ports used for RDP and not something more sophisticated like Deep Packet Inspection. He was able to use Google and Facebook through his T-Mobile Smartphone. It was a little slow, granted, because it uses a slower EDGE connection for free digital roaming.
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How secure is port forwarding for running a Minecraft server?
Thomas from Vancouver, BC CAN
Thomas wants to host a Minecraft server for his friends. Is port forwarding secure? Port forwarding is where you tell the router to send traffic coming in from a specific port to a certain machine. This limits a little bit of the potential damage from opening up a server to the outside world, but it will ultimately depend on that Minecraft server to be secure. It”s important that Thomas keeps his Minecraft server secure and up to date. If someone can figure out how to get around his network via the server, he could infect his network.
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How can I open up my router for ham radio with EchoLink?
Lenny from San Juan, Puerto Rico
Lenny is a Ham (KP4XN) and wants to know what Leo thinks of EchoLink. Leo says he”s used it before. It”s a system that uses the internet to connect one operator to another. It uses ham radios that transmit to a repeater station which goes over the internet to an other repeater station where it comes off the internet and through a radio tower.
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How can I access a webcam online?
Walt bought a Foscam security camera that he wants to access online. Leo says that Foscam has a built in web server, so he can navigate to it online. It”s inside his personal network, though. His choices are to DMZ (or port forward) the Foscam which would open up a port for the Foscam to be accessed. The downside is that TimeWarner may change the personal and public address from time to time. That”s where noISP comes in.
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Why won't Apple's Face Time work on my network?
Rick from Sacramento, CA
Leo says that it may be a firewall issue that”s blocking the Facetime”s inbound connection. Check out Apple”s Knowledgebase article HT4245 on how to open the right port (called port forwarding).
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