ZyXEL N4100 User Guide - Page 67
Technical Reference, Unlimited, Enable, Disable, Specify, Default, Customer Certificate, Apply
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Chapter 4 System Setup Table 7 ADVANCED > SYSTEM (continued) LABEL DESCRIPTION User Session Select Unlimited to not place any restriction on the number of sessions Limited that each user connected to the N4100 can use. Layer 2 Isolation Security Secure administrator IP addresses Multicast Pass Through Select the other radio button and type a number (from 1 to 1024) if you want to specify how many sessions each user connected to the N4100 can use. If you activate NAT, select Enable in this field to prevent communication between subscribers. This is the default selection. Select Disable, to deactivate layer 2 security and allow communication between subscribers. Select Any to use any computer to access the web configurator on the N4100. Select Specify and then enter the IP address(es) or ranges of IP addresses of the computer(s) that are allowed to log in to configure the N4100. The addresses can be on the LAN or the WAN. Select Enable to allow multicast traffic to pass through the N4100. This may affect your network performance. Allow remote user to ping the device Select Disable to prevent any multicast traffic from passing through the N4100. This is the default setting. This feature affects the security of the N4100's WAN port. Ping (Packet INternet Groper) is a protocol that sends out ICMP echo requests to test whether or not a remote host is reachable. Select Enable to have the N4100 respond to incoming Ping requests from the WAN. This is less secure since someone on the Internet can see that the N4100 is there by pinging it. Select Disable to have the N4100 not respond to incoming Ping requests from the WAN. This is more secure since someone on the Internet cannot see that the N4100 is there by pinging it. SSL Certificate Secure Socket Layer (SSL) security allows you to create secure connections between the N4100 and the management or subscriber computer(s). Select Default to use the default system-generated SSL certificate. Select Customer Certificate to use a certificate obtained from a certificate authority. Apply Refer to Chapter 31 on page 243 for more information. Click Apply to save your changes back to the N4100. 4.3 Technical Reference The following section contains additional technical information about the N4100 features described in this chapter. N4100 User's Guide 67