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Chapter 4: Configuring the Hardened Serial Server
Setting the Hardened Serial Server to use UDP
1. Select UDP protocol.
Options are provided for sending and receiving data to and from:
• Nobody (one-way communication only).
• Everyone on a specific UDP port.
• Only specific IP addresses.
• Only a range of IP addresses.
Additional configuration fields appear depending on the options chosen.
2. Select the required “Send” options:
a. “nobody”—sends to nobody.
b. “everyone on a specific UDP port (send broadcast)”—sends to all UDP ports on the network (specified later).
c. “only specific IP addresses (send unicast)”—sends to specific network IP addresses (specified later).
d. “only a range of IP addresses (send unicast range)”—sends to all IP addresses within a specified range (specified later).
3. Configure the “Send IP addresses and port numbers:”
• If you selected: “everyone on a specific UDP port (send broadcast),” type the UDP port number into the “This is the UDP port I want to
send data to:” box.
• If you selected: “only specific IP addresses (send unicast),” type the IP addresses and port numbers into the “These are the IP addresses
I want to send data to:” text boxes.
• If you selected: “only a range of IP addresses (send unicast range),” type the ranges of IP addresses and port numbers into the “These
are the IP addresses I want to send data to:” text boxes.
4. Select the required “Receive” options:
a. “nobody”—receives from nobody
b. “everyone on a specific UDP port (receive broadcast)”—receives from all UDP ports on the network (specified later).
c. “only specific IP addresses (receive unicast)”—receives from specific network IP addresses (specified later).
d. “only a range of IP addresses (receive unicast range)”—receives from all IP addresses within a specified range (specified later).
5. Configure the “Receive IP addresses and port numbers:”
• If you selected: “everyone on a specific UDP port (receive broadcast),” type the UDP port number into the “This is the UDP port I want
to receive data from:” box.
• If you selected: “only specific IP addresses (receive unicast),” type the IP addresses and port numbers into the “These are the IP address-
es I want to receive data from:” text boxes.
• If you selected: “only a range of IP addresses (receive unicast range),” type the ranges of IP addresses and port numbers into the “These
are the IP addresses I want to receive data from:” text boxes.
6. Click “Save.”
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