Tripp Lite B092-016 - Trusted Networks

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Chapter 4: Serial Port, Device and User Configuration
4.5 Trusted Networks
The Trusted NetworksfacilitygivesyouanoptiontonominatespecicIPaddressesthatusers(AdministratorsandUsers)
mustbelocatedat,tohaveaccesstoConsoleServerserialports:
• SelectSerial & Network: Trusted Networks
• Toaddanewtrustednetwork,selectAdd Rule
• SelecttheAccessible Port(s) that the new rule is to be applied to
• ThenentertheNetwork Address of the subnet to be permitted access
• ThenspecifytherangeofaddressesthataretobepermittedbyenteringaNetwork Mask for that permitted IP range e.g.
 o TopermitalltheuserslocatedwithaparticularClassCnetwork(204.15.5.0say)connectiontothenominated 
  portthenyouwouldaddthefollowingTrustedNetworkNewRule:
NetworkIPAddress 204.15.5.0
Subnet Mask 255.255.255.0
 o IfyouwanttopermitonlytheoneuserswhoislocatedataspecicIPaddress(204.15.5.13say)toconnect:
NetworkIPAddress 204.15.5.0
Subnet Mask 255.255.255.255
 o IfhoweveryouwanttoallowalltheusersoperatingfromwithinaspecicrangeofIPaddresses(sayanyofthe 
  thirtyaddressesfrom204.15.5.129to204.15.5.158)tobepermittedconnectiontothenominatedport:
Host /Subnet Address 204.15.5.128
Subnet Mask 255.255.255.224
o Click Apply
Note: The above Trusted Networks will limit access by Users and Administrators to the console serial ports. However they do
not restrict access by the Administrator to the Console Server itself or to attached hosts. To change the default settings for this
access, you will to need to edit the IPtables rules as described in the Chapter 14 - Advanced.