Why a firewall under Linux
the other day, I was just wondering why Linux needs a firewall. Linux has all this great
configuration files in order to limit the access to a machine from the outside. Under FC*,
for example, I can deinstall easily all unnecessary daemons (usually a private person does not need sendmal, bind, httpd, named ......) with yum which helps me to secure my system.
hosts.allow and host.deny give me also great possibilities to prevent me from any cracker.
Therefore my question: Why do I need a firewall?