Guralp Systems CMG-DCM build <10,000 - Manual (Page 76)

CMG-EAM (Platinum Firmware)
serial port hardware control lines cannot be read or altered in this
mode.
Simple server mode has two relevant options: the list of addresses to
listen to, and an optional list of addresses to filter. The server can
listen on multiple simultaneous local ports and addresses (although
only one client can be active at a time).
The “Bind host” option is usually left blank. If specified, it is the name
or IP address on which this server socket will listen. For example, if
you specify “localhost” here, then this socket will only listen for
incoming connections on the loopback address, and not on the
external Ethernet port. Leave it blank to listen to all addresses.
The “Bind service” option must be specified. It is the TCP port number
(1-65535) or service name (such as “tcpserial”) for the socket. This can
be anything you choose, although we recommend that you use the
names tcpserial, tcpserial1, tcpserial2 and so on through to
tcpserial15, which are pre-defined to correspond to port numbers
10002, 10003, through to 10017.
The mapping from port names to port numbers is configured by the
conventional Linux file /etc/services which can be edited from
the command line if required.
If desired, you can configure a list of addresses from which to accept
connections. If no addresses are configured, then all incoming
addresses will be accepted. Otherwise, connections will only be
accepted if they match an entry in the table with its Reject box
unticked. Entries are matched in order; as soon as a match is made, the
connection is accepted or rejected, and no further processing is done.
The “IP addresses” fields can each specify a host name, an IP address
or an IP address range (given in CIDR format). For example, to accept
connections from LAN addresses, you can add the addresses:
•
10.0.0.0/8
(anything from 10.0.0.0 to 10.255.255.255);
•
172.16.0.0/12
(anything from 172.16.0.0 to 172.31.255.255);
•
192.168.0.0/16
(anything from 192.168.0.0 to 192.168.255.255); and
76 Issue C