is router a kind of firewall (hardware)???
1)is router a kind of firewall
2)and in my text book, in the figure, we have
internet - firewall - router - lan
then what is the network "firewall"? is it also a hardware?
I know the firewall on my PC is a sftware.
please give me a simpe example, a few lines.
then I can understand.
<email>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</email>