Firewall

[J.]

Exactly When should i use a personal firewall?

 

[Leonard Grey]

Always.

 

[Root Kit]

Always.

Nonsense.

 

[Root Kit]

Exactly When should i use a personal firewall?

A so called personal firewall (or packet filter) can be used if you
need to provide one or more network services and somehow want to
restrict access to them.

 

[Bruce Chambers]

Exactly When should i use a personal firewall?

When your computer is connected to the Internet.

--

Bruce Chambers

Help us help you:


http://support.microsoft.com/default.aspx/kb/555375

They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. ~Benjamin Franklin

Many people would rather die than think; in fact, most do. ~Bertrand Russell

The philosopher has never killed any priests, whereas the priest has
killed a great many philosophers.
~ Denis Diderot

 

[Root Kit]

When your computer is connected to the Internet.

The OP asked for a precise answer. Not a marketing one-liner.