Erwin Bierens

Knowledge is Power

My Favorites

2018-10-23 2 min read Lifehacking Erwin Bierens

My Tools

I was thinking of creating a top of favorite tools, services gadgets and apps i use on a daily/weekly base. So let’s make a start and i will try to update this page as often as possible.

Browser Plugins

  • Ghostery, If you don’t want to be followed by all the big million company’s turn this on in your browser.
  • uBlock, Turn of all those advertisers in your browser.

Apps

  • Feedly, the best RSS feed reader at this moment for me!
  • Visual Studio Code, is a code editor redefined and optimized for building and debugging modern web and cloud applications.
  • Wireshark, Capturing your packets was never this easy ;) (use my profiles to make life a bit easier)
  • LastPass, in 2018 it is impossible to not use a Password Manager. I’m using LastPass since 2011 and this is still the number one password manager for me.
  • OneNote, my notation app for everything i want to save!
  • Flow, Create and automate your workflows across multiple applications and services.
  • Notepad++, Opensource code editor
  • Openlive Writer, is a powerful, lightweight blog editor that allows you to create blog posts, add photos and videos then publish to your website.

Web Applications

  • Matomo, This is a opensource clone of Google Analytics, where you are in control.
  • Keybase, a crypto platform where you can manage your PGP keys and quickly produce encrypted messages.
  • ImgClean.io, Get all of the EXIF information out of your or someone elses pictures.
  • WayBackMachine, when you want to see how a website looked 10 years ago, use this timemachine :)

Services

  • Cryptomator & Stack 1TB of free storage in the ‘dutch’ cloud. Together with Cryptomator (opensource) you can encrypt your files with AES256 on the fly.

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How to create trusted network for MFA in Office365

2018-10-22 1 min read Office365 Security Erwin Bierens

What is MFA?

Multi-factor authentication (MFA) is a method of authentication that requires the use of more than one verification method and adds a second layer of security to user sign-ins and transactions. You can choose the following verification methods:

  • A randomly generated pass code (Microsoft Authenticator App or SMS)
  • A phone call
  • A smart card (virtual or physical)
  • A biometric device

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Enable MFA

When you don’t use MFA, but want to enable this. Follow this guide (Microsoft).

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Deploy error Skype for Business Cloud Connector - CredSSP

The problem

Last week i ran in to some errors while re-deploying a Cloud Connector, Changed some settings in the INI and while starting the redeploy gave me the following error:

	`Preparation phase started...
	The configuration file for Cms server setup is generated in C:\Users\Administrator\CloudConnector\ApplianceRoot\Instances\2.1.0\ExportedConfig\ServerConfig-Cms.ini.
	Preparation phase finished.
	Deployment phase started...
	Enabling credential delegation for NTLM on host machine.`
	`
	#text : false
	#text : true
	#text : true
	#text : false
	#text : true
	#text : Relaxed`


		[192.168.214.3] Connecting to remote server 192.168.214.3 failed with the following error message : The request is not supported. For more information, see the about_Remote_Troubleshooting Help topic.
		+ CategoryInfo          : OpenError: (192.168.214.3:String) [], PSRemotingTransportException
		+ FullyQualifiedErrorId : 50,PSSessionStateBroken
		[192.168.214.3] Connecting to remote server 192.168.214.3 failed with the following error message : The request is not supported. For more information, see the about_Remote_Troubleshooting Help topic.
		At C:\Program Files\WindowsPowerShell\Modules\CloudConnector\Internal\MtSetup.ps1:294 char:13
		+             Invoke-Command -ComputerName $machineIP -Credential $doma ...
		+            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
		+ CategoryInfo          : OpenError: (192.168.214.3:String) [], PSRemotingTransportException
		+ FullyQualifiedErrorId : 50,PSSessionStateBroken
		Trying to exit current manual maintenance mode.
		Successfully exit manual maintenance mode.
		[192.168.214.3] Connecting to remote server 192.168.214.3 failed with the following error message : The request is not supported. For more information, see the about_Remote_Troubleshooting Help topic.
		At C:\Program Files\WindowsPowerShell\Modules\CloudConnector\Internal\MtSetup.ps1:294 char:13
		+             Invoke-Command -ComputerName $machineIP -Credential $doma ...
		+            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
		+ CategoryInfo          : OpenError: (192.168.214.3:String) [], PSRemotingTransportException
		+ FullyQualifiedErrorId : 50,PSSessionStateBroken`

After some diging in to this problem i found some people having same issues with other Microsoft products. Last March Microsoft released the CredSSP update and this prevented connecting to vulnerable systems using older authentication methods.

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Be more productive with some new features in Teams

2018-09-24 1 min read Microsoft Teams Erwin Bierens

With the first day of Ignite we already have some new feature announcements for Microsoft Teams

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  • Background blur: In Teams users can blur the background so focus on what matters most.
  • Meeting recording: Meetings are no longer just a point in time experience. With meeting recording in Teams, you or other invitees who missed the meeting can playback recorded audio, video and content at any time. Pull up a transcript, powered by Microsoft Stream, and search for keywords so you can optimize your time while getting caught up.
  • Cloud video interop – Bring your existing room technology investments into Teams. Through partner offerings from Polycom, BlueJeans and Pexip, a full portfolio of legacy devices can now be full-fledged audio/video participants in Teams meetings with content sharing. Polycom’s CVI offering is available now, with Pexip and BlueJeans generally available by end of October.

Factory Reset Audiocodes Mediapack 112 by Shell

Problem

I came across a problem that it was not possible to change the IP address of the MediaPack 112.

The IP Address, subnet and default gateway are greyed out as you can see in above image.

Solution

Go the the webinterface (System, Management, Telnet/SSH Settings) and enable SSH access.

Use PuTTy to connect to the current IP Address of the MediaPack. Use the default credentials if not changed: Admin - Admin

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Reset GoPro Hero 4 Session back to factory default

2018-06-25 1 min read Gadgets Lifehacking Erwin Bierens

Since GoPro is not able to advice how to reset your GoPro to factory defaults, you can use the steps below.

  •  Remove the SD card and connect/insert in your computer;
  • Format the SD card;
  • Download the following files (file1, file2);
  • Copy the two downloaded files to the SD card;
  • Insert the SD card back in your GoPro Hero 4 Session;
  • Push the “RECORD” button and wait 10 seconds;
  • On the LCD you will see the GoPro is resetting;
  • Remove the SD card from the GoPro and format it again on your computer;
  • Insert formatted SD card back into your GoPro and your camera is back to factory default.

Leaving guest tenant - Microsoft Teams

2018-06-20 1 min read Microsoft Teams Erwin Bierens

You now will have the possibility yo leave a guest tenant (https://docs.microsoft.com/en-us/azure/active-directory/b2b/leave-the-organization).

In this how to i will show you how to do this.

  1. Go to the MyApps portal  and login with your Office365 Account
  2. Go to your profile (right corner) and click the settings icon.
  3. Below Organizations you will see the tenants listed where you have access to
  4. Click the organization you want to leave. You will now automatically login to the tenant.
  5. Click again to the Profile > Settings.
  6. You can now click “Leave Organization” to leave the tenant. Click “leave” to confirm
  7. Confirmation of leaving the ticket.

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