Guralp Systems CMG-DCM build <10,000 - Manual (Page 135)

Operator's Guide
of them prevents connection attempts made to all other addresses. If
left blank, connection requests will be considered from all interfaces.
The Server port/service name field must be populated with the service
name or port number on which it will listen for incoming connections.
This must not be used by any other service on this system.
The next section of the form looks like this:
The scream server is capable of both responding to data requests from
clients (PULL mode) and of sending data uninvited to remote
destinations (PUSH mode). The table above is used to list any PUSH
mode clients. For each, a Host must be specified as either an IP
address or hostname and a Port must be given as either a service
number or name. Existing entries can be deleted by ticking the
associated Delete check-box and submitting the form.
By default, the server will not send to network broadcast addreses.
This behaviour can be enabled by ticking the Enable broadcast check-
box.
The “Output filtering” section allows the operator to control which
data are transmitted, selecting by block type, sample rate or channel
name.
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