CHAPTER 8 - PXG200E CONFIGURATION WEB PAGE109EATON PXG200E User Manual • IM02603001E Rev 5, 11-May-2012 • Firmware Version 5.03:3835Access ControlThe PXG200E is designed to be integrated into a variety of systems;therefore, it is designed to allow SNMP, Modbus TCP and pass-throughfunctionality from any outside computer. While it is desirable to provideopen connectivity, it is prudent to restrict access to only those computersthat you trust or wish to have access. The PXG200E provides protocol“ports” on the Ethernet LAN for accessing:• Modbus TCP• SNMPv1 and SNMPv3• BACnet/IP• Encapsulated INCOM (used by PowerNet Software)• Encapsulated QCPort (used by CH Studio Software)There are two distinct parts to restricting access:1. Enabling/Disabling Access Control2. Entering the IP addresses or host names of trusted computers if youenable Access ControlThe PXG200E factory default setting is with Access Control enabled and NOtrusted hosts listed. With these settings, no access will be allowed using anyof the previously listed protocols.NOTICE: To ensure the security of your system, if you WILL NOT beusing any of the previously listed protocols, leave (set) accesscontrol enabled with no trusted host IP addresses entered.NOTICE: To ensure the security of your system, if you ARE usingany of the previously listed protocols, AND you can identify theclient IP addresses, leave (set) access control enabled and enter thetrusted host IP addresses.
