Jicofo Error-Failed to connect/login: host-unknown

Jicofo 2021-09-16 11:26:27.976 WARNING: [48] org.jivesoftware.smack.AbstractXMPPConnection.callConnectionClosedOnErrorListener: Connection XMPPTCPConnection[not-authenticated] (0) closed with error
org.jivesoftware.smack.XMPPException$StreamErrorException: host-unknown You can read more about the meaning of this stream error at Extensible Messaging and Presence Protocol (XMPP): Core
stream:errorThis server does not serve auth.ok</stream:error>
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1064)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$300(XMPPTCPConnection.java:1000)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:1016)
at java.base/java.lang.Thread.run(Thread.java:831)

This means the hostname sent from jicofo is not configured in prosody.

How to configure hostname in prosody sent by jicofo?

Why did you get there? Haven’t you used the quick install guide? Self-Hosting Guide - Debian/Ubuntu server · Jitsi Meet Handbook