
Note:
Finally, organizations that are deeply concerned about viruses
should implement organization-wide virus control measures. Rather
than trying to screen viruses out at the firewall, make sure that every
vulnerable desktop has virus scanning software that runs when the
machine is rebooted. Blanketing your network with virus scanning
software will protect against viruses that come in via floppy disks,
modems, and the Internet. Trying to block viruses at the firewall will
only protect against viruses from the Internet, and the vast majority
of viruses are caught via floppy disks.
Tip:
1.7 Summary
As previously discussed, a firewall is a system or group ...