![]() ![]() The protocol is decentralized, secure, and flexible. WhatsApp uses Extensible Messaging and Presence Protocol (XMPP) to exchange data between the users. XMPP has had its security vetted by the experts at the IETF, and so has native support for pluggable authentication (via SASL) and leading-edge security (via TLS). The company uses XMPP server called ejabberd with a FreeBSD operating system. It can be used to transfer messages both in one-on-one context and in group chats. There are two main end-to-end encryption schemes in common use in the XMPP ecosystem, Off-the-Record (OTR) messaging (Current Off-the-Record Messaging Usage (XEP-0364) ) and OpenPGP (Current Jabber OpenPGP Usage (XEP-0027) ). Step 5: Install TLS Certificate in Prosody.Step 4: Obtain a Trusted TLS certificate from Let’s Encrypt.Step 1: Install Prosody on Ubuntu 20.04. ![]() How to Set Up Prosody XMPP Server on Ubuntu 20.04 To start the server, you can run systemctl start ejabberd.There are several ways to install ejabberd Community Server: Linux RUN Installer – for any Linux….Autostart on Linux ![]() XMPP is the Extensible Messaging and Presence Protocol, a set of open technologies for instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data. Additionally, for developers it aims to be easy to extend and give a flexible system on which to rapidly develop added functionality, or prototype new protocols. It aims to be easy to set up and configure, and efficient with system resources. Prosody is a modern XMPP communication server. ![]()
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