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Home > Success Center > Network Performance Monitor (NPM) > Internet traffic encryption for additional polling engine on the NPM server

Internet traffic encryption for additional polling engine on the NPM server

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Created by Interspire Import, last modified by MindTouch on Jun 23, 2016

Views: 52 Votes: 1 Revisions: 10


This article provides brief information on Internet traffic encryption for additional polling engine on the NPM server.


All NPM versions


When an additional poller is deployed, all data transferred between the primary and additional pollers use SolarWinds Information Service (SWIS). All SWIS traffic is encrypted.
Communication between the main and the additional pollers use the Windows Communication Foundation (WCF) framework.
The data packets are sent as asynchronous messages from one service endpoint to another.
Communication transfer authentication is based on a certificate which uses TLS channel on port 17777 and this communication is encrypted.

Last modified
22:34, 22 Jun 2016