1 Message
Unfamiliar devices connecting to home network
I noticed not too long after having my router that an unfamiliar device would keep connecting to my network even after forgetting the device and resetting the password. Fast forward a couple months and now it seems that there is 3 new unfamiliar devices that keep doing the same thing. I also noticed that at random times my devices will not have access to the internet or will significantly slower than usual. Does this mean that my router has been hacked? And how do I prevent them from joining again?
EG
Expert
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110.4K Messages
1 year ago
First. Is this a Comcast rented gateway device? If so, check to see if the MoCA feature in it is enabled. If it is, and if you do not have a PoE (Point of Entry) MoCA filter installed on the coax line, yours and your neighbor's gateway devices will be able to connect like one big network. Disable it if you aren't using it. If you are, install a POE MoCA filter on the input port of the first splitter off of the street drop to keep the signal in your premises and to keep the neighbor's signals out. Your neighbors should also have PoE filters installed.
To disable MoCA on your device go to the gateway login http://10.0.0.1
Default login info is:
Username: admin (all lowercase)
Password: password
Once in you will find the drop-down on the left of the screen that is labeled “Connections”.
Click the drop down---> click MoCA---> right side of screen click “disable”---> save changes.
Bear in mind that we've seen many posts here that the MoCA feature gets turned back on with their overnight re-boots / updates for the device. The best policy is to be sure to use that PoE filter ! Amazon has them: https://www.amazon.com/SNLP-1GCW-Filter-Eliminate-Multi-Room-Interference/dp/B07SLD9QPH
Or you may be able to get one for free at your local Comcast / Xfinity store. Or book a tech to come out and install one for you.
If the MoCA feature is not being used on your home network, you can put the PoE filter right at the back of your gateway device instead.
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XfinityJohnG
Official Employee
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1.7K Messages
1 year ago
Thank you for reaching out to us here @user_37zgmo. If you have attempted to follow the instructions for that POE Moca Filter and you are still seeing an unfamiliar device connected to your service you can reach out to the customer security team at the https://internetsecurity.xfinity.com/help/report-abuse/ site to have them look into that for you.
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