Firewall 73

Security Select Security to display the Security screen (Figure 56).

Figure 56 Security Screen

The Internet connects millions of computer users throughout the world. The vast majority of the computer users on the Internet are friendly and have no intention of breaking into, stealing from, or damaging your network. However, there are hackers who may try to break into your network.

Enable universal plug and play Universal plug and play allows compatible software to read and change some the Gateway’s firewall settings. This reduces the configuration required but lessens your control of the Gateway’s firewall.

3Com recommends that you leave this feature disabled for maximum security.

Allow PING from the Internet PING is a utility, which is used to determine whether a device is active at the specified IP address. PING is normally used to test the physical connection between two devices, to ensure that everything is working correctly.

By default the Gateway has PING disabled in order to make the device more difficult to find on the Internet and less prone to attack.

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3Com 3CRWE554G72 manual Security Screen