Disabling TLS 1.0 and 1.1 in Postfix
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
Unix
Disabling TLS 1.0 and 1.1 in Dovecot
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
Clear Systemd Journal Logs
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
Oxidized – Network Configuration Tool
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.
What SSL protocols is a site using.
Wondering what SSL encryption and protocols a site is using. Cipherscan is free and work well. You can find it here: Cipherscan
Encrypted Backup and Restore
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
Sync’ing content between two servers.
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
Setting up an NTP Time Server
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
Keep systems in sync with rsync
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
Setting a Smarthost in Postfix
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