Postfix is one of the most common email servers in the world due to it’s performance, easy setup and configuration. Postfix supports TLS 1.2 as of version 2.6 and TLS 1.3 in version 3.4 and later. This article will show […]
If you have users accessing mail on your system, then you probably have Dovecot running. It is one of the best POP and IMAP servers (IMHO). It is easy to configure and get setup but also have some very advanced […]
Is your system running out of disk space and you don’t know where it all went. It might be systemd. Systemd creates Journal Logs that can add up quickly. Here is the information to trim them down.
Every year it seems like more and more network devices get installed on our networks. Switches, router, firewall, access points are just a few of the devices that get installed. Each of them has a configuration file that gets setup […]
Wondering what SSL encryption and protocols a site is using. Cipherscan is free and work well. You can find it here: Cipherscan
I currently backup my FreeBSD servers using tar. Tar works very well for backups but does not have encryption capabilities built into the client. I now have a need to make sure that all my tape backups are encrypted. In comes OpenSSL to handle […]
There are a number of reasons why it may be an advantage to sync the data in a directory (or the whole disk) from one server to another. This technique has been used to backup one server to another, sync […]
What is NTP? NTP stands for Network Time Protocol. It is a set of software programs that are used to keep accurate time on computers. It accomplishes this by referring to other time sources and then using some intelligent algorithms […]
When I am upgrading a system or moving some services from one server to anyother, there is always a need to keep the production data in sync with the new development server. Sure you can make a snapshot of […]
Postfix is an excellent email server that is available as a port for FreeBSD. My mail server is running in a Shaw cable modem as every now and they Shaw skrews up and starts blocking generic outbound SMTP cnnections from […]
