What are ping and traceroute, really?
We often use ‘ping’ in conversation. What exactly is it, anyway?
No, the Internet was not ‘down’
The 8 June 2021 disruption wasn’t an infrastructure issue.
What is ‘M of N’ in public/private key signing?
How many pieces of a treasure map need to be shared so one person alone can’t get the treasure?
The IETF is not the ‘standards police’
A recent IETF draft warns of Atlanteans bearing eels. Believe it or not, it’s actually making a decent point.
Trust, but verify: An engaged community is the best defence
The discovery of bad code deliberately inserted into the Linux kernel shows the value of an active community.
Spoofing packets: What is it, and why do people do it?
Spoofed packets allow senders to hide their source address. How do they work and why do they do it?
Starlink’s high-speed satellite Internet: What’s the catch?
Low earth orbit satellite-powered Internet could be a game-changer for remote areas, but what happens when people in more populated areas want it?
Using DASH to identify economies by suspicious traffic
APNIC has a tool which looks at malicious traffic. So let’s take a deep dive!
Is RDAP ready to replace whois?
Whois is old and clunky. In many ways, RDAP already fulfils many of its functions. So are we ready to replace it?
How do we count ASNs?
Now that we know what it means to be an ASN, how do we count them?