IP Firewall

All KarlNet products are upgradeable with special firewall filters and algorithms that can protect IP networks from intrusion by hackers and misconfigured computers. You can setup filters to drop or permit packets that match certain criteria. For example, you can setup the filters to allow Telnet and FTP connections out of your business while blocking them from coming back into your business from the Internet. You can allow e-mail to certain trusted machines but not others. You can also setup other filters to hide certain computers from the Internet so that no one outside your organization can communicate with those computers at all.

The firewall also has user authentication capabilities. Firewall authentication is a way of dynamically punching a hole through the firewall on a case-by-case basis. This can be controlled by a computer setup as an Authentication Server.

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