Sometimes you really want to know where an IP is coming from. Whether you are doing abuse or threat hunts, or just want to know who owns that IP blocked by fail2ban for spamming your SSH server. Each IP belongs to a specifc Autonomous System. An autonomous system (AS) is a very large network or group of networks with a single routing policy. Each AS is assigned a unique ASN, which is a number that identifies the AS....
I’ve been writing a lot of Go code for the past few years and I have really come to appreciate the code generation patterns that Go developers use. In this case, the excellent Moq library to generate test doubles for unit tests. No third-party code is necessary to use these test doubles, which is an unusual joy nowadays with masses of transitive dependencies frequently required for anything interesting. One thing that has been bugging me for a while with moq is that in its documentation and generated code it calls these test doubles mocks when they are clearly stubs....