Christian on Little Snitch, Security —
The short answer is: We don’t recommend upgrading now because there are several bugs related to networking and firewalls in the 15.0 release. We expect most of them to be fixed in 15.1. If you have already upgraded or if you want to upgrade for…
Norbert on Little Snitch, Security —
UPDATE: Spoke too soon… The problem discussed here turned out to be specific to Little Snitch 6.1 and not a general issue in macOS. It has already been fixed in Little Snitch 6.1.1. See the end of the article for details. DNS Encryption 101 When…
Christian on Little Snitch, Security —
There has been some discussion recently about the bypassing of Little Snitch by the first datagram of a three-way TCP handshake. The facts: When a deny-rule for a domain is set in Little Snitch, and a TCP connection is made to that domain, a TCP SYN…
SSusanne on Little Snitch —
Everyone has heard of them, blocklists, blacklists, denylists. But what are they? In short, a blocklist is a database of Internet servers known for spreading spam, malware or unwanted advertisements. If a blocklist is installed on your computer,…
Norbert on Little Snitch —
Update: Apple has released macOS 11.2 on February 1, 2021, removing the controversial ContentFilterExclusionList. It seems that Apple is willing to admit mistakes. The unfortunate hole in the wall that raised a lot of privacy and security concerns…
Norbert on Little Snitch —
Apple on Privacy: Privacy is a fundamental human right. At Apple, it’s also one of our core values. Your devices are important to so many parts of your life. What you share from those experiences, and who you share it with, should be up to you. We…
Norbert on Little Snitch —
You probably came here because your Mac showed a message telling you that software from “Objective Development Software GmbH” (Little Snitch) loaded a system extension that will no longer be compatible with a future version of macOS and that you…
Marco on Mac, Little Snitch —
The initial release of macOS Catalina caused trouble for a lot of Little Snitch users. Updating an existing version of Little Sntich would almost always lead to a dreaded “Version Mismatch” error being shown after restarting your Mac. We…
Christian on Mac, Little Snitch, Developer —
Update on October 30, 2019: This issue is fixed in macOS 10.15.1. In this article we’d like to outline some technical details about how the installation of a kernel extension works on macOS Catalina, about potential pitfalls in this process, what…
Christian on Mac, Security, Little Snitch, Developer —
This blog post targets fellow software developers. It’s a story of how it could happen that we shipped a version of Little Snitch with a serious vulnerability and, more importantly, what we can learn from it. It all began with a security…
Norbert on Little Snitch —
In February 2019, security experts from Trend Micro published an article about a new variety of malware. This particular attempt gained additional attention because it was the first time that cybercriminals tried to run an .exe file (Windows…
Marco on Little Snitch —
A security vulnerability was recently disclosed by Josh Pitts, a security researcher at [Okta]. This vulnerability affects third-party macOS apps that check the code signatures of other apps by tricking them into treating a maliciously crafted fat…
Marco on Little Snitch —
A new major upgrade for Little Snitch 4 is now available! 🎉 We’ve been hard at work to get many new features into this version and we think with all the new features, you’re really going to like it! A big thank you goes out to our awesome…
Christian on Little Snitch —
In a WWDC session, David Schinazi has mentioned that Network Kernel Extensions (NKEs) ”will be deprecated”. He asked developers to transition to the Network Extension (NE) framework and approach Apple to report any problems with this. This…
Marco on Little Snitch —
Say hello to the public beta version of Little Snitch 4! Update: The public beta of has concluded. Little Snitch 4 is available.
Norbert on Little Snitch —
We’ve been receiving a number of questions regarding Little Snitch being mentioned in the CIA Vault 7 documents that were made public on WikiLeaks. The published documents don’t provide any indications that surveillance agencies were able to…
Johannes on Little Snitch —
The Protagonists Gatekeeper is a security feature of macOS. Among other things it makes sure that apps that are in quarantine (= were downloaded from the internet or received via AirDrop) are temporarily moved to a private location when launched,…
Manfred on Micro Snitch, Little Snitch, LaunchBar —
You asked, we listened. It was a repeated request, so we’ve updated our shop and are happy to announce that we now officially accept Bitcoin as an alternative currency. With this post I would like to introduce you to the new payment option. In…
Marco on LaunchBar, Little Snitch, Micro Snitch —
Apple will release OS X El Capitan shortly and we were busy over the summer to make sure our apps are ready for it. LaunchBar 6.5 added two beautiful themes that use the new San Francisco system font. Among many bug fixes and improvements, it also…
Marco on Little Snitch —
If you’re an iOS developer, this will make you very happy: Little Snitch 3.5 greatly improves support for iOS Simulator apps in every regard. First and foremost, apps and processes that run in iOS Simulator are now easily recognizable by their…
Marco on LaunchBar, Little Snitch —
Two days ago, Apple released OS X Mavericks for free on the Mac App Store. That’s great news for all Mac users. We have even more good news for our customers: Little Snitch 3.3 and LaunchBar 5.6, both released earlier this month, are ready for OS…
Marco on Little Snitch —
Those of you who pay close attention to Little Snitch’s version numbering might have wondered why there’s no Little Snitch 3.2, but a Little Snitch 3.3. If you payed really close attention over the last few months, you might even wonder why…
Marco on Little Snitch —
We just released Little Snitch 3.3 with a lot of improvements and a brand new welcome window that automatically opens after you restart your Mac to complete Little Snitch’s update: New users can find a concise overview of Little Snitch’s…
Marco on Little Snitch —
Two days ago, Apple announced the next major version of its Mac operating system at WWDC, dubbed OS X Mavericks. Developers got early access to it to make sure their apps are ready for it when it’s publicly released on the App Store this fall. If…
Marco on Little Snitch —
Have you ever opened up your MacBook in a coffee shop and got a bad feeling that you’re exposing too much information to an unknown network? Or did you ever burn through your mobile phone’s data plan way too fast because you hooked it up via…Archive