How to open firewall ports in Ubuntu These notes are a personal reference on how to check open firewall ports in Ubuntu using CLI. I reserve the right to be slightly inaccurate and will update this as it become functionally helpful to do so.   Use the ufw command to open firewall ports in Ubuntu. The syntax is as follows: sudo ufw allow port See the examples below and apply specific ports for the services you need to open. Remember, you don’t want to…

iOS 11 addresses important security updates. Launching today at noon, CST, iOS 11 has some amazing new features that have been well documented elsewhere. In addition to new features, iOS 11 contains security updates as well.   Reposted from APPLE-SA-2017-09-19-1 iOS 11 iOS 11 is now available and addresses the following: Exchange ActiveSync Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker in a privileged network position may be able to erase a device during Exchange…