With so many firewall products on the market, trying to fit each into a specific category would be nearly impossible. The following categories provide generalized descriptions of the most typical firewalls for different-sized library networks. The manufacturers listed do not represent recommendations nor are they restricted to any particular category;they are meant to provide common names for each category.
|TYPE||PRICE RANGE||DESCRIPTION||COMMON MANUFACTURERS|
|Basic – Firewall commonly found in homes, small offices and small libraries.
||From $50 - $150
||These firewalls provide basic port forwarding, packet filtering and logging. Although the specification may claim to support more connections, these are generally designed to support networks with 5-10 computers.
||Belkin, DLink, Linksys and Netgear
|Midrange – These firewalls, made by Watchguard, Symantec and Sonicwall, are found in medium-sized libraries with more specific needs and with 10-50 computers.
||From $300 - $700
||These firewalls provide more advanced, stateful packet inspection and technologies such as VPN, user authentication, and content filtering.
||Watchguard, Symantec and Sonicwall
|Advanced – For larger library systems, advanced firewalls offer very high capacity and feature-rich devices.
||From $2,000 to well into five figures
||You will not find these in most small to medium libraries.
||Cisco, Checkpoint and Juniper