[ReDmit]

Персональный файрволл - средство для защиты от хакерских атак и других несанкционированных сетевых действий. Jetico Personal Firewall организует трехуровневую защиту, состоящую из контроля и фильтрации сетевых пакетов, контроля и фильтрации действий сетевых приложений и контроля и фильтрации пользовательских процессов, обеспечивая тем самым надежный заслон как атакам извне, так и несанкционированную отправку данных вредоносными программами, ранее внедренными в систему.
По тестам файрволлов (внешка: [Для просмотра данной ссылки нужно зарегистрироваться] ) - Jetico - один из лучших!
Краткая выжимка оттуда:

Таблица:

Comodo Firewall Pro 2.4.18.184FREE 9475 Excellent
Jetico Personal Firewall 2.0.0.35 9375 Excellent
Online Armor Personal Firewall 2.1.0.11 9375 Excellent
ProSecurity 1.40 beta 1 8875 Very good
Outpost Firewall PRO 4.0 (1024.700.292) 8700 Very good
ZoneAlarm Pro 7.0.408.000 8600 Very good
Lavasoft Personal Firewall 2.0.1019.7604 (700) 8500 Very good
Kaspersky Internet Security 7.0.0.125 8475 Very good
System Safety Monitor 2.4.0.617 beta 7975 Very good
Jetico Personal Firewall 1.0.1.61 FreewareFREE 7750 Very good
Privatefirewall 5.0.8.11 7625 Very good
Ghost Security Suite [BETA] 1.110 7500 Very good
Dynamic Security Agent 1.0.8.8FREE 7375 Good
Trend Micro PC-cillin Internet Security 2007 15.30.1151 7000 Good
F-Secure Internet Security 2007 7.01.128 6625 Good
G DATA InternetSecurity 2007 6100 Good
PC Tools Firewall Plus 3.0.0.36FREE 5825 Poor
BlackICE PC Protection 3.6.cpv 5750 Poor
Sunbelt Personal Firewall 4.5.916 5200 Poor
FortKnox Personal Firewall 2007 2.0.205.0 5125 Poor
Look 'n' Stop 2.06 4300 Poor
Safety.Net 3.61.0002FREE 4000 Poor
Norton Internet Security 2008 15.0.0.60 3600 Very poor
Avira Premium Security Suite 7 build 98 2450 Very poor
SensiveGuard 1.06FREE 2350 Very poor
Sygate Personal Firewall 5.6.2808FREE 2350 Very poor
McAfee Internet Security Suite 2006 8.0 2325 Very poor
Blink Personal Edition 3.0.8.1496FREE 2250 Very poor
ZoneAlarm Free 7.0.302.000FREE 1500 Very poor
CA Personal Firewall 2007 3.0.0.196 1000 None
Outpost Firewall Free 1.0.1817.1645FREE 1000 None
BitDefender Internet Security 10.108 750 None
Norman Personal Firewall 1.42 750 None
TheGreenBow Personal Firewall 2.60.005 750 None
Panda Antivirus + Firewall 2007 6.00.00 650 None
AVG Anti-Virus plus Firewall 7.5.431 500 None
Armor2net Personal Firewall 3.13.30 500 None
Ashampoo FireWall Pro 1.14 500 None
Filseclab Personal Firewall 3.0.0.8686FREE 500 None
Rising Personal Firewall 2007 19.33.10 500 None
Prisma Firewall 2.4.4.0 250 None
Windows Firewall XP SP2FREE 0 None

Первая бесплатная версия:
Jetico Personal Firewall
for Windows 98/ME/NT/2000/XP
v.1 freeware

jpfwall.zip
[Для просмотра данной ссылки нужно зарегистрироваться]

История изменений v.1:

The latest fixes and improvements

1. Jetico Personal Firewall v.1.0.0.38 (beta) announced. 17th February, 2004

2. v.1.0.0.39 (beta), 26th February, 2004.
Configuration Wizard enhanced and simplified. Occasional hanging during uninstall fixed. Problem of firewall hanging during connection initialization via modem in Windows 98/ME fixed. JP Firewall now compatible with WinPCap software (and also utilities that use WinPCap modules).

3. v. 1.0.0.77 (beta), 13th April, 2004.
Automatic detection of changes to network configuration added. Software now compatible with Service Pack 2 beta for Windows XP. Detection of attacks by "Ghost firewall testing program" added. Procedures for attack detection in Windows 98/ME significantly improved. JP Firewall now configurable to minimize a full-screen program (e.g. a game) and require user permission before the application can access internet. Procedure for resolving IP addresses improved.

4. v. 1.0.0.79 (beta), 16th April, 2004.
Detection and preventing of attacks by "DNStest firewall testing program". Several fixes to appearance of user interface. Including: - application view window; context menus; rule editing; configuration wizard; network mask settings; and others.

5. v. 1.0.0.85 (beta), 30th April, 2004.
Detection and preventing of attacks by "WallBreaker firewall testing program". Novell Client32 software compatibility problem solved. JPFirewall now works properly with VPN traffic. Occasional crash on shutdown fixed. Minor user interface improvements.

6. v.1.0.0.97 (beta), 13th May, 2004.
Network event logging improved. Maximum size of log files can now be set by running the "Options -> Log" command. The problem of disappearing outgoing traffic statistics in the "Traffic Monitor" tab is fixed. The problem of running JPFirewall with restricted user's rights fixed.

7. v. 1.0.1.5 (beta), 31st May, 2004.
The user interface now provides a dynamic indication of the current firewall configuration, highlighting the rules that reject (or accept) network traffic. The version for Windows NT/2000/XP now prevents TCP Ping and TCP Fin inbound scanning attacks. Stateful inspection of network connections is improved. The Optimal Protection configuration of JPFirewall is significantly improved. Help documentation enhanced.

Rules Indication
8. v.1.0.1.15 (beta), 23rd June, 2004.
User interface improvements. Messages now advise the user where new firewall rules will be inserted in the configuration table. Statistics in the Application tab are corrected. "Best fit" option added to adjust column widths in Applications, Log, and Configuration tabs. Error messaging improved. Problem of the firewall occasionally hanging in localized versions of Windows XP SP1 is fixed.

9. v. 1.0.1.17 (beta), 7th July, 2004.
JPFirewall for Windows 98/ME now offers the same functionality as v.1.0.1.5 (et seq.) for NT/2000/XP: prevention of TCP Ping and TCP Fin inbound scanning attacks, improved stateful inspection of network connections and enhanced rule-set in Optimal Protection configuration. Rule-set for FTP Server added to Optimal Protection configuration.

10. v. 1.0.1.19 (beta), 19th August, 2004.
JP Firewall now detects and prevents the latest outbound Surfer leak test attack. The problem of supporting network cards with hardware generated IP checksums is solved. Minor improvements (such as enhanced error reports) to user interface.

11. v. 1.0.1.21 (beta), 30th August, 2004.
JPFirewall now retains user-defined configurations. Users also able to restore original configuration with "Revert to factory settings" item in "File" menu. ICMP packets logging fixed.

12. v. 1.0.1.23 (beta), 15th September, 2004.
Rules for stateful inspection improved. "Copy text" command added to "Configuration", "Log" and "Applications" tabs enabling users to copy information from tabs to a text file. User interface improved. "Properties" command added to application name popup messages. Occasional problems with dial-up adapters solved.

13. v. 1.0.1.30 (beta), 23rd September, 2004.
Wireless network adapters support added. Protocol filter module enables the user to specify an arbitrary protocol when setting rules. User interface now offers drag'n'drop functionality with multiple selected rules. "Copy text" command added to firewall popup message context menu. "Broadcast address" automatic variable available in rule-set. Optimal Protection configuration enhanced.

14. v. 1.0.1.31 (beta), 24th September, 2004.
JP Firewall detects and prevents outbound attacks generated by the PCAudit test program in Windows Server 2003. Several issues in the user interface are fixed including: - drag-and-drop from left to right panes in Configuration tab, and synchronization between these panes.

15. v. 1.0.1.40 (beta), 28th October, 2004.
JP Firewall logging subsystem significantly improved. Drag'n'drop for tables implemented in configuration editor. Content of panes in Configuration Editor synchronized. Systray menu items fixed for Windows 9x. Long file names are reported now for all network accessing applications.

16. v. 1.0.1.42 Release Candidate, 19th November, 2004.
The problem of compatibility with Symantec drivers used in Norton AntiVirus solved. Log file entries now are correctly saved when computer shuts down. Problem of compatibility with Avast! Antivirus v.4.5 solved.

17. v. 1.0.1.44 Release Candidate, 1st December, 2004.
The problem of occasionally repeated firewall messages fixed, memory management procedures in kernel drivers enhanced.

18. v. 1.0.1.47 Freeware version release, 30th December, 2004.
Default rules for Windows services added, as a result, the firewall will display less number of popup messages. The firewall rules for low-level network packets now have an explicit parameter for verifying correct packet checksum. Support for IGMP protocol added. Problem of compatibility with Kaspersky Anti-virus solved. Help documentation significantly improved.

19. v. 1.0.1.48 Freeware, 17th January, 2005.
The problem occured in the firewall interface when the program displays log entries is fixed. The problem of compatibility with programs creating many listening/accepting sockets (like Vypress Chat) is fixed.

20. v. 1.0.1.49 Freeware, 21st January, 2005.
Stateful inspection is enhanced for inbound connections. Minor enhancements and fixes are made in user interface.

21. v. 1.0.1.51 Freeware, 31st January, 2005.
Option "Auto Best fit" was added to the "View" menu and minor corrections in user interface were made. Occasional crash of the firewall filtering module on multi-processor computers is fixed.

22. v. 1.0.1.52 Freeware, 1st February, 2005.
System tray firewall indication is fixed.

23. v. 1.0.1.53 Freeware, 8th February, 2005.
Occasional crash on hyperthreading and SMP computers is fixed. Configuration Wizard now correctly recognizes broadcast addresses as firewall dynamic variables. The firewall behaviour at system shutdown is corrected.

24. v. 1.0.1.55 Freeware, 18th February, 2005.
Instability when viewing firewall logs is fixed. Security policy unloading feature added.

25. v. 1.0.1.56 Freeware, 14th March, 2005.
Log entries of the firewall now report detail on fragmented IP packets. Firewall system tray icon behaviour corrected, problem of incompatibility with games from Valve software fixed.

25. v. 1.0.1.57 Freeware, 29th March, 2005.
Memory leaks fixed. ESP (protocol 50 required by VPN) support added to IP rule. User interface settings are saved correctly now. Scrolling added for firewall rules drag'n'drop.

26. v. 1.0.1.58 Freeware, 7th April, 2005.
Compatibility problem with TCPDump and Hamachi software solved. Main program window state properly saved now.

27. v. 1.0.1.59 Freeware, 12th May, 2005.
Problem of appearing repeated popup messages fixed. Minor user interface enhancements.

28. v. 1.0.1.60 Freeware, 23rd June, 2005.
Problem of compatibility with PC-cillin Internet Security software solved. Minor user interface enhancements.

29. v. 1.0.1.61 Freeware, 19th July, 2005.
Occasional problem of unloading firewall user interface module at shutdown time in Windows NT 4.0 is fixed.

30. v. 2.0 beta, 1st August, 2006.
Jetico Personal Firewall v. 2 public beta is out