Protect Exchange Server From CVE-2021-1730 Vulnerability | Configure Download Domains in Exchange

Опубликовано: 15 Март 2025
на канале: Techi Jack
682
7

Join this channel to get access to the perks:
   / @techijack  

App download link: https://play.google.com/store/apps/de...
Other Device: https://app.techijack.com

Join Techijack Group on Telegram: https://t.me/+TomqJLgVYJ4yZGU1
Join Cwp Hosting Group on Telegram: https://t.me/+Ehn9gm0ICSM1NjU9

Welcome To the YouTube channel Techi Jack For deep technical knowledge.

In this video of Protect Microsoft Exchange Server From CVE-2021-1730 Vulnerability, you see the step by step guide how to configure download Domains for Microsoft Exchange Server 2019.

Even if you have the latest Exchange Cumulative update and Security updates installed for your Microsoft Exchange, you Exchange is still vulnerable to CVE-2021-1730, download domains.

If you run the Exchange health checker script you will find the Exchange Security Vulnerability for the download domains.

Microsoft wants everyone to configure the download domains to address the CVE-2021-1730.

CVE-2021-1730 is an Exchange spoofing Vulnerability that exists in Exchange Server 2016/19, this vulnerability could result in an attack that can allow a malicious actor to impersonate the user.
So, to prevent this CVE-2021-1730, Microsoft Recommends that all Exchange Users configure download domains for inline images to appear from different DNS domains instead of OWA.

This video demonstrates the step-by-step guide to configure download domains for your Exchange Server 2019.

First, we will configure the internal and external DNS.
Then we will set the OWA virtual directory host for download domains.
Also, we will configure the SSL certificate to include the download domain in subject alternative names.
Therefore, we will enable the Owa download domains and finally reset the IIS.
For commands visit the article on techijack.com:
https://techijack.com/configure-downl...

I assure you that, after watching this video completely, you will be able to configure download domains for your Microsoft Exchange Server to address the CVE-2021-1730



#CVE20211730 #ExchangeServerVulnerability #ExchangeDownloadDomains

About This Channel

Microsoft Certified Trainer (MCT), MCSA & MCSE Productivity & Messaging

For Support, Email: [email protected], https://techijack.com

Complete training for Windows server, Exchange Server, MCSE, and other technical Knowledge related to IT, like cloud computing, SEO, Google Ads, Microsoft 365, Hybrid Configuration, Microsoft Azure, etc.
You can contact Microsoft Exchange Server Support, Exchange Server Consulting or Office 365 for assistance and support as well.

Furthermore, you can also learn about web server hosting like IIS WEB Server, Cwp centos web server.
Learn more about Centos web control panel. How to set up and configure Centos web panel cwp hosting.
Learn web hosting, web server, cwp cpanel hosting.

Whenever it is possible, I try to create a real-world scenario for better understanding.

Website: https://techijack.com
Website: https://app.techijack.com,
Website: https://cwphosting.net


Want to deploy exchange 2016/19 yourself with assistance, contact [email protected]


  / techi-jack-2244739159188581  
https://www.linkedin.com/company/tech...