3Com OfficeConnect User Manual

Also see for OfficeConnect: Datasheet User guide Datasheet Getting started guide User guide

Contents

3Com OfficeConnect User Manual Manual pdf 55 page image

55AdvancedSelect Advanced to display the Advanced Settings screen. SeeFigure 53 below.Figure 53 Advanced Settings ScreenThe Internet connects millions of computer users throughout theworld. The vast majority of the computer users on the Internetare friendly and have no intention of breaking into, stealingfrom, or damaging your network. However, there are hackerswho may try to break into your network.The options on this screen enable you to allow PING from theinternet and to disable the firewall as shown below:■ Allow PING from the Internet — PING is a utility, which isused to determine whether a device is active at the specifiedIP address. PING is normally used to test the physicalconnection between two devices, to ensure that everything isworking correctly.By default the Router has PING disabled so that it does notrespond to PING requests. This makes the device more diffi-cult to find on the Internet and less prone to attack.This feature is enabled by clicking on the check box so that atick can be seen and then selecting Apply.3Com recommends that you leave Allow PING from the Internetdisabled as this provides greater security.■ Disable SPI Firewall — The firewall feature detects attackpatterns used by hackers on the Internet and once detectedwill block their access to your network. The firewall feature isdisabled by clicking on the check box so that a tick can beseen and then clicking Apply.3Com recommends that you leave the firewall feature enabled(checkbox cleared) for normal use. You may wish to turn it offfor diagnostic purposes.dua08609-5aaa01.book Page 55 Thursday, September 11, 2003 12:15 PM