Jetico Personal Firewall v2 runs as privileged Windows service. It can protect computer before user logon.
Native support for Windows XP Fast User Switching and Terminal Services.
Jetico Personal Firewall supports Access Control Lists for all main functions. Administrator can configure ACL to grant access to particular firewall functions for any user or group.
Windows XP Service Pack 2 Security Center support.

Improved rule editing interface.
New popup message. The new look for popup dialog is presented. Popup message text and rule creation options can be modified.
Firewall variables formerly controlled by Configuration Wizard, are integrated into main application window.
Language file support for easy localization. All translatable words and phrases are taken from single UTF-8 encoded text file.

New XML-based open configuration file format. Detailed documentation is available upon request.
The new version maintains single protected firewall configuration for all users.
Simplified controls for configuration.
New hash handling scheme. Separate table for hash checking.
Each firewall filtering layer has own root table.
New automatic variables (per-connection) for local connections are supported.

Rules support lists of parameters where possible.
IP rules support IP address ranges.
Low level protocol rules support filtering by MAC address.
Application rules have events for direct and indirect access to network. Indirect access details are also available.
New module for hash checking created.
Application, Process attack and Hash checking rules support wildcards in file paths.

Log entries can be associated with rule.
Firewall can create rule based on log information.
New WELF-compatible text log format. WELF is supported by many log analyzers.
Improved log control.