Good free firewalls?

http://www.sunbeltsoftware.com/home-home-office/sunbelt-personal-firewall/

Avira AntiVir Personal 9.0.0.407

It is recommend to allow the configuration wizard to keep the default extended threat categories.
(UNCHECK: Appication (APPL), Games, Jokes, Security privacy risk, and Unusual runtime compression.)


Subscription to new virus definitions for this program does not expire. (It is renewed automatically when it expires.) 

In case of problems, in order to extend the license without reinstalling the product, download the current license file.


hbedv.key Product License Key File is included and is available on the official download page as well.
In case of subscription problems, download the latest key file from 
http://dl2.avgate.net/down/windows/hbedv.key

and copy it to 
C:\Program Files\Avira\AntiVir Desktop

Options: 
C:\Program Files\Avira\AntiVir Desktop\avcenter.exe

Turn off notification pop-ups after Antivir updates itself:
Administration (lower left) > Scheduler > Right-click on Daily Update > Edit job > Next > Next > Next > under Display mode, select Invisible > Finish.


> Configuration (Right middle part of the window) > CHECK: Expert mode (upper left)
> Scanner > Scan > Action for concerning files

then 
> General > Security > UNCHECK: Show notice if the virus definition file is out of date
then
> Update > Download and install product updates automatically (recommended)


To disable Notifier nag screen: Windows 2000/XP Control Panel > Administrative Tools [in WIndows 7, click on System and Security first] > Local Security Policy > Right click on Software Restriction Policies > Create New Policies > Right click on Additional Rules > New Path Rule... > Browse... to the path of avnotify.exe default is 
C:\Program Files\Avira\AntiVir Desktop\avnotify.exe
> Set the security level to Disallowed > OK



For Windows XP Home you would need to boot into safe mode and log in as Administrator, then 
go to 
C:\Program Files\Avira\AntiVir Desktop\avnotify.exe
and right click on it >
Properties > Security > Advanced > Edit > Select options not to let it execute for all users.


To disable AntiVir splash screen: right click on its shortcut > Properties >
Next to Target: add /ns to the existing path.

To disable AntiVir splash screen if it automatically starts at bootup, use program such as 
Startup Control Panel > HKLM / Run TAB > right click on avgnt > Edit... > 
add /ns to the existing path of the program so that it reads 
"C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min /ns


To submit a suspected virus, go to 
http://www.avira.com/en/support/submit_suspicious_files.html
to upload it.


Manual updates can be downloaded from:
http://dl.antivir.de/down/vdf/ivdf_fusebundle_nt_en.zip
or for older versions of Windows:
http://dl.antivir.de/down/vdf/ivdf_fusebundle_9x_en.zip
Unzip the downloaded file and copy all the contents to 
C:\Program Files\Avira\AntiVir Desktop
or
C:\Program Files\Avira\AntiVir PersonalEdition Classic
overwriting existing files.


It is possible to transfer virus definitions between systems if Antivir version is the same so that it contains these files:
aecore.dll
aeemu.dll
aegen.dll
aehelp.dll
aeheur.dll
aeoffice.dll
aepack.dll
aerdl.dll
aescn.dll
aescript.dll
aeset.dat
aevdf.dll
antivir0.vdf
antivir1.vdf
antivir2.vdf
antivir3.vdf
avewin32.dll
avpack32.dll
avrep.dll
unacev2.dll


Using two AntiVirus programs at the same time:
If there are two AntiVirus programs installed, you should not have two AntiVirus *Guard* programs active at the same time because this would slow the system down, Windows may even have problems booting with two AntiVirus guard components being active. So if installing AntiVir on a system where there already is an AntiVirus program installed, do not install AntiVir guard.

Also disable the guard component of one program if using another program to scan an entire disk drive.


Default log file location is 
C:\ProgramData\Avira\AntiVir Desktop\LOGFILES
or
C:\Documents and Settings\All Users\Application Data\Avira\AntiVir Desktop\LOGFILES


For older versions:
C:\Documents and Settings\All Users\Application Data\Avira\AntiVir PersonalEdition Classic\LOGFILES
C:\Program Files\Avira\AntiVir PersonalEdition Classic
or
C:\Program Files\Avira AntiVir Personal\
C:\WINDOWS\Application Data\Avira AntiVir Personal\LOGFILES

Comodo Internet Security 3.12.111745.560


Install COMODO Firewall only, UNCHECK everything else.


Right click on the Comodo icon in the task bar > Firewall security Level > Custom Policy Mode.

Start the program > Miscellaneous > Settings > General TAB > Update setting

Miscellaneous > Manage my configurations to Import/Export settings 
(select COMODO Firewall Security for Blocked/Trusted programs)

Give a unique name to newly imported settings, then after importing go to 
Miscellaneous > Manage my configurations > Click on the unique name > Activate


Firewall > Common Tasks > Define any New Trusted/Blocked Applications
Firewall > Advanced > Firewall Behavior Settings > Alert Settings > Very Low (Shows only one alert per application) > Apply

To view a list of blocked/trusted applications: Firewall > Advanced > Network Security Policy


Even if you exit this program, it will still block access to other computers on the network if the following are blocked under Firewall > Advanced > Network Security Policy:

System
Allow And Log IP In/Out From IP Any Where Protocol Is Any
C:\Windows\explorer.exe
Allow And Log IP In/Out From IP Any Where Protocol Is Any