Last week, I wrote a post on the Playpen warrant currently being litigated in federal courts around the country. My post included a section, “Retrieving IP Addresses is Clearly a Search,” that said ...

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Often when you're working on a computer, you need to connect to other computers to run software or check data on them. This could involve connecting to a business server used by your work team or ...

How to find a hostname via public IP address? In order to find the hostname of a computer with a public IP address, you have to pass the address to the Domain Name System (DNS) server. Here are the ...

Cloud security company Zscaler is offering a web tool businesses can use to check whether their IP address is being used for spamming or DDoS attacks. IPAbuseCheck offers a simple lookup which checks ...

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve to ...

Every device connected to a network has an IP address. It is a unique identifier that locates your computer or Mac on the network. Your Mac connects to the internet through a network or router; which ...