NAME

     talkd — remote user communication server

SYNOPSIS

     /usr/sbin/in.talkd [-dpq]

DESCRIPTION

     Talkd is the server that notifies a user that someone else wants to initiate a conversation.
     It acts a repository of invitations, responding to requests by clients wishing to rendezvous
     to hold a conversation.  In normal operation, a client, the caller, initiates a rendezvous
     by sending a CTL_MSG to the server of type LOOK_UP (see ⟨protocols/talkd.h⟩).  This causes
     the server to search its invitation tables to check if an invitation currently exists for
     the caller (to speak to the callee specified in the message).  If the lookup fails, the
     caller then sends an ANNOUNCE message causing the server to broadcast an announcement on the
     callee's login ports requesting contact.  When the callee responds, the local server uses
     the recorded invitation to respond with the appropriate rendezvous address and the caller
     and callee client programs establish a stream connection through which the conversation
     takes place.

OPTIONS

     [-d] Debug mode; writes copious logging and debugging information to /var/log/talkd.log.

     [-p] Packet logging mode; writes copies of malformed packets to /var/log/talkd.packets.
     This is useful for debugging interoperability problems.

     [-q] Don't log successful connects.

SEE ALSO

     talk(1), write(1)

HISTORY

     The talkd command appeared in 4.3BSD.