Operating instructions
Dedicated Micros ©2010
118
SD Advanced
Firewall
This menu allows the user to block access to the unit via specic network port(s).
Enable Ping Response Enabling this option will allow an external client to receive a
response when attempting to ‘ping’ the unit. Disabling this option
will make the unit less visible on the network.
Table Entry Up to 32 Conguration settings may be entered.
Open TCP ports This option can identify which system TCP ports are available. If a
host tries to communicate with the unit using a TCP
port that is not within the ‘open’ range (even with a valid IP
address), access will not be granted to the unit. The enabled ports
can be a range or single port address, if a single port is needed
then enter the same port number in the to and from section.
Open UDP ports This option can identify which system UDP ports are available. If a
host tries to communicate with the unit using a UDP
port that is not within the ‘open’ range (even with a valid IP
address), access will not be granted to the unit. The enabled ports
can be a range or single port address, if a single port is needed
then enter the same port number in the to and from section.