What is RTMPE
RTMPE is a version of RTMP (Real Time Messaging Protocol) that uses Adobe's own security mechanism for encryption. Because RTMPE has proven to have security issues, other security options such as the RTMPS protocol should be used instead.
Created to enable low-level stream encryption for high-traffic sites, RTMPE uses the Anonymous Diffie-Hellman key exchange method which allows two parties that have no prior knowledge of each other to jointly establish a shared secret key over an insecure communications channel, but provides no verification of either party's identity. This opens vulnerabilities to “man-in-the-middle attacks” at session initialization.
RTMPE is not enabled in the Wowza Streaming Engine™ software by default, but a Wowza version of RTMPE is provided on request through an AddOn.
For more information about RTMPE, see: http://en.wikipedia.org/wiki/Real_Time_Messaging_Protocol#Encryption
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