Which Email Protocol do I choose? IMAP or POP3? Email is, by far, the most common means of online communication these days. Believe it or not, email dates back nearly 50 years and has seen little change in that time. An email sent in the early 1970s would look much as it would today. The […]
[vc_row][vc_column][vc_column_text]Typically, managing servers and websites require a fair bit of knowledge, plus a good familiarity with the command line. For some, this can be a bit daunting – and that’s where control panels come in. A control panel collects most of the functions and tools needed to manage a server in one interface and presents […]
[vc_row][vc_column][vc_column_text]What is a blacklist? At a fundamental level, a blacklist is just a list of IP addresses that have been flagged for engaging in some type of undesired activity. This undesired activity can include email spam, botnet attacks, and several other types of malicious activity. There are numerous blacklists that are compiled and maintained by […]
While working as a sysadmin over the years, you truly start to understand the importance of security patches. On a semi-daily basis I see compromised servers that have landed in an unfortunate situation due to lack of security patching or insecure program execution (e.g. running a program as root unnecessarily). In this blog post I’ll […]
If you’re running a Linux server and you value uptime and stability, this server maintenance guide will help keep you on track. It’s best to perform maintenance and checks on a regular basis for various reasons. It’s not fun being a sysadmin and finding out that a downtime causing issue could have been easily prevented. […]
Qubes OS is a distribution of Linux with security as its focus, and it does it very well. At its core it’s based on Fedora and utilizes the Xen hypervisor to achieve security by isolation. Qubes can take a bit to get used to and it has its quirks but generally works quite well and […]
I’ve always found peer-to-peer applications interesting. Central points of failure aren’t fun! Protocols like BitTorrent are widely used and well known. However, there’s something relatively new and uses BitTorrent-like technology, except it’s much more impressive. What is IPFS? The InterPlanetary File System (IPFS) is one that caught my eye during research. It’s basically a peer-to-peer, […]
Privacy and security can be difficult to achieve, especially for your entire organization. It involves many factors and can be difficult to manage from the top. While you may not want to, or don’t have the ability to manage every aspect of your organization’s members there are some things you can do. One of the […]
If the data you store on your server or other service is important to you, likely you’d prefer it not ending up in the hands of others. If so you should use the power of cryptography. There are many options to choose from whether you’re running Windows, Linux or BSD but we’ll be focusing on […]