How to allow / deny IP in Office 365 SMTP Relay connection? Cloud
When you set up an in-premises printer, scanner, fax, or line of business (LOB) application that needs to send email, you need to allow the in house SMTP IP in Office 365 We need to allow/whitelist in-house network IP to use the SMTP Relay in Office 365 The following steps shows how to add the... Continue Reading 
How to Secure Nginx with Let’s Encrypt on Ubuntu? Security
How to Secure Nginx with Let’s Encrypt on Ubuntu? Let’s Encrypt is a Certificate Authority (CA) that provides a free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. The process of obtaining and installing a certificate is fully automated on both Apache and Nginx. The following steps describe how to configure Let’s Encrypt SSL... Continue Reading
How to setup Google Drive and Share Files? Cloud
How to setup Google Drive and Share Files? The file storage and sync service developed by Google is Google Drive. This application allows users to store files on their servers, synchronize files across devices and share files. Google Drive offers apps with offline capabilities for Windows, MacOS, Android and iOS. The following steps describes how... Continue Reading
How to request SSL certificate from AWS Certificate Manager? ACM
AWS Certificate Manager (ACM) handles the complexity of creating, storing, and renewing public and private SSL/TLS X.509 certificates and keys that protect your AWS websites and applications. ACM service is for enterprise customers who need a secure web presence using TLS. ACM certificates are deployed through Elastic Load Balancing, Amazon CloudFront, Amazon API Gateway, and... Continue Reading
How to check Time to First Byte (TTFB) using CURL command? Linux
Time to First Byte (TTFB) is the measurement used for the responsiveness of a webserver or other network resource. TTFB measures the duration from the user making HTTP request to the first byte of the page received by the client’s browser. The following command uses CURL command to check the TTFB from your Linux or... Continue Reading
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