237 Results for:IPv6

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How to create and add an SPF record for email authentication

By Peter Loshin 01 Sep 2022

Learn how to create Sender Policy Framework records to list authenticated mail servers for an email domain to fight spam, phishing, email forgery and other malicious email. Read More

6 steps for rapid geographic network segmentation

By Johna Till Johnson 27 Apr 2023

When segmenting network operations in certain parts of the world, modular network design and geographic domain definition are two vital elements to consider. Read More

Testing IoT for interoperability, security and reliability

11 Jun 2021

IoT developers may miss some basic security and performance measures for IoT devices in the rush to push products out to customers, which is why testing before release is critical. Read More

Buyer's Guide: Tips for small companies on IPv6 migration

By Bob Tarzey 21 Feb 2012

There is no rush to switch from IPv4 to IPv6, but there is no harm in being prepared for IPv6. We look at the practical issues for SMEs. Read More

World IPv6 Day coming June 8 - what should you be doing?

01 Jun 2011

On 8 June, 2011, a number of large networks will offer their content over IPv6 for a 24-hour “test flight”. Read More

Learn to perform a DNS backup and restore

By Mike Kanakos 10 Aug 2022

DNS outages cause connectivity issues that prevent basic tasks from executing properly. Understand how to perform a restore for a DNS zone, which is not always intuitive. Read More

What does the 0.0.0.0 IP address mean and why is it used?

By Jessica Scarpati 15 Jul 2021

One of a few special-purpose addresses, IP address 0.0.0.0 has several applications in networking. It stands in as a placeholder address, identifies a default route and more. Read More

Ciprian Popoviciu

Nephos6

Ciprian Popoviciu is president, CEO and founder of Nephos6, a consultancy specializing in IPv6 and cloud computing.Read More

Ministry of Defence hoarding £38.5m worth of unused IPv4 addresses

By Alex Scroxton 28 Oct 2015

A Freedom of Information request by network control specialist Infoblox has revealed that the MoD is hoarding millions of pounds worth of unused IPv4 addresses, while the UK government remains woefully unprepared ... Read More

How to use Nmap to scan for open ports

By Sharon Shea, Packt Publishing 27 Jan 2022

One of Nmap's primary functions is conducting port scans. In this walkthrough, learn how to launch a default scan, along with other options that affect Nmap port scan behavior. Read More