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2. DNS blocking - Wikipedia

   en.wikipedia.org/wiki/DNS_blocking

   DNS blocking. Domain Name System blocking, or DNS blocking / filtering, is a strategy for making it difficult for users to locate specific domains or websites on the Internet. It was first introduced in 1997 as a means to block spam email from known malicious IP addresses. [1]

3. Split-horizon DNS - Wikipedia

   en.wikipedia.org/wiki/Split-horizon_DNS

   In computer networking, split-horizon DNS (also known as split-view DNS, split-brain DNS, or split DNS) is the facility of a Domain Name System (DNS) implementation to provide different sets of DNS information, usually selected by the source address of the DNS request. This facility can provide a mechanism for security and privacy management by ...

4. Phishing - Wikipedia

   en.wikipedia.org/wiki/Phishing

   Clone phishing is a type of attack where a legitimate email with an attachment or link is copied and modified to contain malicious content. The modified email is then sent from a fake address made to look like it's from the original sender. The attack may appear to be a resend or update of the original email.

5. dnsmasq - Wikipedia

   en.wikipedia.org/wiki/Dnsmasq

   dnsmasq is a lightweight, easy to configure DNS forwarder, designed to provide DNS (and optionally DHCP and TFTP) services to a small-scale network. It can serve the names of local machines which are not in the global DNS . dnsmasq's DHCP server supports static and dynamic DHCP leases, multiple networks and IP address ranges.

6. IE Domain Registry - Wikipedia

   en.wikipedia.org/wiki/IE_Domain_Registry

   IE Domain Registry. The . IE is the domain name registry for the .ie country code top-level domain. Their work includes protecting, supporting and promoting the web presence of all .ie domain names. They administer and manage the .ie namespace in the public interest. Founded in 1991, they spun out of UCD and became a private company in July ...

7. Internet of things - Wikipedia

   en.wikipedia.org/wiki/Internet_of_things

   The Internet of things (IoT) describes devices with sensors, processing ability, software and other technologies that connect and exchange data with other devices and systems over the Internet or other communications networks. The Internet of things encompasses electronics, communication, and computer science engineering.