Handy Testing Resources
SSH https://sshcheck.com/ SSL https://www.ssllabs.com/ssltest/ SPF/DKIM: https://www.appmaildev.com/en/dkim
SSH https://sshcheck.com/ SSL https://www.ssllabs.com/ssltest/ SPF/DKIM: https://www.appmaildev.com/en/dkim
Further to the previous article regarding “Single User Mode” it’s worth noting that depending on your system you may require the root password to do even this. So if you’ve really, REALLY lost the root password then these handy dandy instructions just for you! 🙂
There are times when you’ll want to limit access and block whole countries. Why? Because there are times when it’s necessary. Here’s a script that builds a script…. It downloads the IP ranges from www.ipdeny.com, works through a list of two letter country codes to create a bash script that will: Delete an existing iptables … [Read more…]