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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Avoid using Ethernet with tvOS if DFS Wifi Channels are Used

Avoid using Ethernet with tvOS if DFS Wifi Channels are Used

Avoid using Ethernet with tvOS if DFS wifi channels are used Normally, when deploying Apple TVs, you want to connect them to the network via ethernet. Like all hard and fast rules, there is one big range of exceptions. Apple TV should be connected to the network over Wi-Fi instead of Ethernet when using DFS channels on the Wi-Fi network and peer-to-peer AirPlay is desired.   Dynamic Frequency Selection Channels When a DFS–enabled radio is…

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MDM Payloads for tvOS

MDM Payloads for tvOS

Apple allows certain MDM payloads for tvOS. Though, currently these devices can be managed with MDM, the functions are somewhat limited. We have a list of additional set up procedures (click here) based on our deployment of over 450 Apple TVs across our school district. These go hand in hand with MDM payloads listed below. MDM Payloads for tvOS Pre Stage Enrollment LDAP Authentication   AirPlay Disable AirPlay Require Passcode on first AirPlay pairing Disable…

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iOS 11 Addresses Important Security Updates

iOS 11 Addresses Important Security Updates

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…

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Password Headaches (Part I)

Password Headaches (Part I)

  Reach for the Tylenol; which password did I use here again? Is this a site where I can answer security questions? Get a text message? Or do I have to reset completely? And – oh, no – if I have to reset completely, does it have to be utterly different from any one I’ve used in the last twelve months? How does a regular person go about solving the password puzzle? Is there even…

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Apple iWork Has Awesome New Features | Pages, Keynote, Numbers

Apple iWork Has Awesome New Features | Pages, Keynote, Numbers

Apple Pages, Keynote, Numbers Have Awesome New Features Apple has announced some awesome new features in Pages, Keynote and Numbers. The information below is copied from Apple’s recent update release notes. KEYNOTEWhat’s new in Keynote for Mac – Apple Supporthttps://support.apple.com/en-us/HT207247Keynote on the Mac App Storehttps://itunes.apple.com/us/app/keynote/id409183694?mt=12What’s New in Version 7.2• Enhance your presentations using a library of over 500 professionally drawn shapes• Reply to comments and join threaded conversations• New auto-correction and text replacement options save time while…

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Starting and Stopping Tomcat in macOS and Linux for JamfPro Server

Starting and Stopping Tomcat in macOS and Linux for JamfPro Server

Starting and Stopping Tomcat in macOS and Linux for JamfPro Server Starting and stopping Tomcat is an essential skill when using JamfPro servers, especially in a clustered environment. Knowing these commands and having them at your fingertips are important for administrators on these systems. You may want to bookmark this page or copy and paste these to your notes for easy access. On macOS: 1. Open Terminal on the JSS host server. 2. To unload…

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Anonymous Search with Start Page – Say “No” to Intrusive Monitoring Techniques

Anonymous Search with Start Page – Say “No” to Intrusive Monitoring Techniques

You can conduct anonymous Google searches with StartPage.com to avoid having your data tracked and linked back to you. See the excerpt below from Michael Bazzell’s book. Anonymous search “Start Page (startpage.com) If you want to take advantage of Google’s search abilities but insist on hiding yourself from their intrusive monitoring techniques, you can use Start Page. Start Page’s anonymous search scans Google for you. When you submit a search, Start Page submits the query…

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