Network Communications Security SNMPv 3 supports encrypted & authenticated management traffic protecting remote configuration & device status messages.IPSec can be used with both TCP/IP IPv 4 & IPv 6 networks & provides encryption & authentication of communications at the network layer. Network Protocol Support Mark Net print servers & the standard Ethernet connection support these protocols: TCP/IP IPV4, TCP/IP IPv 6, Novell (IPX/SPX including Net Ware Directory Services), Apple Talk™ & Lex Link (DLC/LLC). All protocols can be active simultaneously. Simultaneous protocol support means that you can print from different systems without reconfiguring the print server. Embedded Web Page The embedded web page allows administrators to flash update printer firmware or access printer settings using a web browser to easily monitor printer status & change default settings.