There can be a thin line between a VPN working perfectly and one that's falling down on the job. Learn how to tell the ...

Want to see if your VPN is changing your IP address? Not all VPNs are reliable, so we recommend checking your VPN. We explain how to check your VPN IP address online. Ever wondered if your VPN is ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

An Internet Protocol address, also known as an IP address, is a unique number that identifies a device connected to the internet. It's a numeric label that is assigned to your internet and defines how ...

Linux provides two very useful tools for diagnosing network troubles: arp and ip neigh. $ arp Address HWtype HWaddress Flags Mask Iface fruitfly ether 7c:67:a2:cf:9f:ef CM enp0s25 Comtrend.Home ether ...

If a computer is unable to configure a valid Internet Protocol address, it can't connect to a network. If you plug a laptop directly into a modem with an Ethernet cable and receive a "No Valid IP ...