Reducing latency through Proximity Placement groups in Azure

As a followup to my earlier blog post on Accelerated networking on Azure i am looking at other options available in Azure to reduce latency for Azure VM’s. When you place your Azure VM’s in a single region, the physical distance between VM’s is reduced. Placing them within a single availability zone is another step you can take to deploy

Securing Sitecore Topology deployed on Azure web apps(PAAS) using Application Gateway(WAF), Log analytics and Azure Monitor

Primary focus for the blog post would be to setup an Application gateway(WAF enabled) in front of a sitecore content delivery PAAS web app and test Azure WAF functiionality with SQL Injection attack using Log analytics and Azure Monitor(Log alerts) feature. Update: WAF Support for Sitecore is officially available from SItecore 9.1 as mentioned in KB article https://kb.sitecore.net/articles/682999 Sitecore environments

Monitoring Sitecore Topology on Azure – Azure Metrics, App Insights, Azure Monitor, Service Health Alerts

Sitecore topologies(9.0.2) officially provided at https://kb.sitecore.net/articles/267409 contains the below Azure resources Azure web app Azure SQL Database Azure Search Azure Redis cache Azure Application Insights Looking at an overall Sitecore topology the below would be an architectural representation of the monitoring story.  App Insights collects the telemetry from all the web apps and measures web app availability. Azure monitor helps

Azure Autoscale & Custom Metric scaling feature updates

Improvements to Autoscale, faster auto scaling, simplified configuration, the ability to scale by a custom metric using Application Insights. https://azure.microsoft.com/en-us/blog/manage-your-business-needs-with-new-enhancements-in-azure-autoscale/ Faster Autoscale  Classic Cloud Services:  Autoscale setting can now be set to have as low as a five-minute time window to activate (previous recommended time window was no less than 30 minutes). VMSS and App Services:The Autoscale engine for VMSS

Active FTP Connections using Jscape in c#

FTP is a TCP based service exclusively. There is no UDP component to FTP. FTP is an unusual service in that it utilizes two ports, a ‘data’ port and a ‘command’ port (also known as the control port). Traditionally these are port 21 for the command port and port 20 for the data port. Active FTP In active mode FTP