McAfee firewall 2.1-getting started Manual Do Utilizador

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McAfee Firewall

This will block all fileshare activity over TCP as well as UDP broadcasts. Your 
system will not appear in anyone’s "Network Neighborhood" and theirs will 
not appear in yours. If your system is configured to support NetBIOS over 
other protocols, such as IPX or NetBEUI, then filesharing may be allowed if 
"non-IP protocols" are allowed (see "Other Protocols" below).

This service is often required when getting email and is required by most IRC 
servers.

This protocol is often abused as a method of breaking people’s network 
connections (especially on IRC).

ARP is a necessary Ethernet protocol and is not known to be a threat.

The program looks in your system Registry to see if one of your network 
devices uses DHCP. If so, then DHCP is allowed for all devices. If not, then it 
is blocked for all devices. If you have more than one network device and one 
uses DHCP, you should check the DHCP setting for each device and allow 
only for the device that uses (most often cable or ADSL modems and some 
internal networks, not for dial-up).

Allow RIP if your adminstrator or ISP advises you to.

This should only be altered by the administrator.

If you are on an IPX network, you should allow "non-IP protocols". If you use 
PPTP, you should allow "other IP protocols". Ask your network administrator 
before making any change here.