Archive for February 2021

Renew an RdWeb Certificate

27th February 2021

This is the procedure for a paid certificate, i’ll create another procedure for a free certificate from ZeroSSL or LetsEncrypt. The process starts on the server where you create a…

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Microsoft 2fa

24th February 2021

2FA is free even on a basic license but you need to use the Microsoft Authenticator App which can be installed from the Google Playstore or Apple Store. here is…

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Advanced Ubiquiti Networking

23rd February 2021

Creating mid-size networks requires some more advanced features for fault tolerance. Spanning Tree is a necessary evil, it sends special packets (BPDU) out each port and listens for them to…

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NAT Slipstreaming Attack on Firewalls and NAT routers

16th February 2021

An attack has been demonstrated on Firewalls that have an H323 VoIP helper to trick it into connecting to any TCP port and not just the ports used by VoIP….

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Next Projects to Investigate

5th February 2021

PowerShell Win Reporting; security alerts sent to M$ Teams! easy to install? IF installing a package or Module gives errors you may need to enable TLS 1.2 as described here…

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Set the PostMaster email address in Office365

The PostMaster email address is required by ZeroSSL and other cloud services to verify that you own the domain in question. Run Powershell as administrator Set-ExecutionPolicy Unrestrictedwarning = Y Install-Module…

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Computer Blue Screens when turned on

Take a picture of the bluescreen and research the code Update your driversstart menu, Settings gear, Update & Security, Check for UpdatesFeature updates may help but normally they just add…

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NextCloud Work from Home

4th February 2021

NextCloud is a great application that was originally designed to be a DropBox alternative but quickly grew to much more. It has a single pane integration of Files, Email, Contacts,…

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Windows 10 Security

2nd February 2021

Nice article about the new security features in Windows 10 https://www.bleepingcomputer.com/news/microsoft/windows-10-features-that-boost-your-pcs-security-and-privacy/

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DUO.com 2FA how to change phones

1st February 2021

On your OLD phone: Open the DUO app, choose the 3 dots (menu) on the top right of the main screen Tap Settings Tap Connect a new phone. Your OLD…

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