Troubleshooting: Exchange – Unable to open OWA, ECP, or EMS after a self-signed certificate is removed from the Exchange Back End Website

Consider the following scenario when you are using Microsoft Exchange Server 2013 or Microsoft Exchange Server 2016: You remove the Microsoft Exchange Self-Signed certificate from the Exchange Back End Website by using Certificates MMC, Remove-Exchangecertificate, IIS Manager or another method. You clear the IIS cache by restart or IISReset. You are installing a new SSL […]

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Website Malware: How to Find Unidentified Malicious Code?

There are a lot of malware scanning services out there that will report any malicious code associated with your website. Some malware services will only report the problematic malicious code, and other services such as Sitelock provided by Acmetek Global Solutions take malware scanning to the next step and will actually remove the malware from your […]

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Understanding DDoS Attacks & The Tools to See Them.

Distributed Denial-of-Service (DDoS) attacks are not a new concept, but they have proven to be an effective way of devastating targeted companies. As the name implies, DDoS is an attempt to deny a service to legitimate users by overwhelming the target with activity. The Gaming, Media, and IT services industry are typically targets for such […]

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How To Verify a Digital Code Signing Signature In Windows.

To verify and check the digital signature of the signed application you can perform the following on any Windows system. From a Windows operating system: Right click the file the main executable file (.exe), select Properties > Digital Signatures. Under Signature list, select the Signature, and click Details. You will see information regarding the Code Signing certificate that was […]

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Troubleshooting: Unsupported Protocol – Cipher Mismatch

Not all browser related errors are associated with SSL Certificates. Many are due to server configurations that set up communication between the website/server to the clients browser. Different browsers will showcase errors differently. But ultimately the troubleshooting process regarding these errors are the same. What is a Protocol or a Cipher? Protocols and Cipher Suites […]

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Troubleshooting: SSL Certificate Browser Errors

Troubleshooting SSL Certificate Web Browser Errors can vary depending on its cause. The following warnings are presented by web browsers when you access a site that has a security certificate installed (for SSL/TLS data encryption) that cannot be verified by the browser. Typically this is from a self signed certificate created by a server system […]

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Digicert Certificate Utility – SSL Certificate (Guide)

The Digicert Certificate Utility is probably one of the best certificate encryption tool out on the net. A lot of people become scared with key-pair encryption but key-pairs/certificates are actually fundamental easy to figure out. You have a secret private key that rests on a system or application, and that system/application gives to another system/application […]

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Digicert Certificate Utility – SSL Installation Checker

The Digicert Certificate Utility – Certificate Installation Checker allows you to perform an SSL handshake with a local or remote SSL socket (https, pop3s, imaps, ldaps, etc.) and then show you what certificate, and chain that is currently bound to that application returning to its clients. This is useful for troubleshooting intermediate certificate issues, errors […]

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