jab_simul    =========    Authors: unknown yet    Copyright: Wirtualna Polska S.A.    License: unknown yet (maybe it was GPL?)jab_simul is a simple Jabber clients load simulator.To compile it, you probably need to install those packages:  byacc flexThis tool uses XEP-0078: Non-SASL Authentication, which is obosolete and newerJabber/XMPP servers do not support it, or require specific configuration.For example, in ejabberd, you must enable mod_legacy_auth.It throws errors when enabling this option in the send_message event:  <prepend_with_debug_info/>It supports the old Jabber SSL encryption, but instead of port 5223, it expects it in 5222.For example, in ejabberd, configure like this:listen:  -    port: 5222    module: ejabberd_c2s    tls: true