Open Firewall Ports in Ubuntu

Open Firewall Ports in Ubuntu

How to open firewall ports in Ubuntu 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 open anything that isn’t absolutely necessary. I treat all networks as “zero trust” networks and every zone as a DMZ. How do I open tcp port # 22? To…

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macOS Security Update to StorageKit

macOS Security Update to StorageKit

macOS Security Update There is a macOS security update to StorageKit. This vulnerability was announced on the MacAdmins Slack earlier and has been addressed by Apple. See information below released by Apple Product Security. APPLE-SA-2017-10-05-1 macOS High Sierra 10.13 Supplemental Update macOS High Sierra 10.13 Supplemental Update is now available and addresses the following: StorageKit Available for: macOS High Sierra 10.13 Impact: A local attacker may gain access to an encrypted APFS volume Description: If…

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How to check Linux OS and version using CLI

How to check Linux OS and version using CLI

How to check Linux OS and version using CLI These notes are a personal reference on how to check Linux OS and version using CLI. I reserve the right to be slightly inaccurate and will update this as it become functionally helpful to do so. Kernel Version If you want kernel version information, use uname. For example: $ uname -a Or type the following command: $ uname -mrs Distribution Information If you want distribution information,…

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