What are SharePoint Ports, Proxies and Protocols – An Overview of Farm Communications?


While the fundamentals remain the same, there were changes in the product over time that have affected the inter and extra-server communications paths. SharePoint 2010 introduced the Service Application model with Windows Communication Foundation proxies and endpoints. SharePoint 2013 brings additional core-building blocks to the product such as Distributed Cache or optional components such as Office Web Apps Server and Workflow Manager with an underlying Service Bus.

These components publish some sort of endpoint to communicate with SharePoint 2013 on different ports. You should not forget to secure communication with these external endpoints with a SSL certificate. SharePoint 2013 uses oAuth for Server to Server (S2S) communication and you absolutely don’t want oAuth bearer tokens flying over your network in clear text. They contain sensitive information and any party in possession of a bearer token can use it to get access to the associated resource. You can find more information in The OAuth 2.0 Authorization Framework: Bearer Token Usage RFC 6750 document. Yes, this means you should have SSL certificates deployed on your SharePoint sites as well.

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About Author

Satyendra Mishra

Project Management Professional (PMP) and Microsoft certified, motivated, energetic and accomplished Project Manager / Architect with 15+ years of work experience in Management, Architecture, Analytics, Development and Maintenance. I have been fortunate to be a part of over 25+ .Net / SharePoint projects delivery with various companies across different industry sectors. This has provided me a valuable insight and experience especially in successful implementation of SharePoint based solutions.

My experience in Web application implementation includes technology strategy and road-map definition, business and technical requirements identification, governance, platform architecture, solution design, configuration, development, quality assurance, training, post-production support, team lead and overall project delivery along with project management.

Satyendra Mishra holds a B.Tech. in Computer Science & Engineering and PG Diploma in Advance Computing from Center for Development and Advance Computing, Pune, India. He is also a certified Project Management Professional (PMP).

I love to share Project Management Tips and Tricks by writing Blogs in the Project Management India Community. I have written around 300+ articles in the Project Management, .Net, SharePoint and related client side technologies.

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