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TALKD(8) BSD System Manager's Manual TALKD(8)
talkd -- remote user communication server
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
[-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.
The talkd command appeared in 4.3BSD.
Linux NetKit (0.17) March 16, 1991 Linux NetKit (0.17)
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