1. How Corporate Firewalls Work
S1160145 Daisuke Tochigi
s1160147 Satoru Tomioka
s1160169 Taichi Hasegawa
s1169170 Fumiya Habafusa

2. Firewall
The firewall is a system to prevent
from it being invaded a computer
network in the organization by
the outside.

3. Bastion host
Bastion host is a fortress host.

4. Internet
The internet is the network where I
connected plural computer networks
to mutually.

5. FTP
Ftp is communication protocol to
forward the file in a network.

6. router
The router is machinery relaying data
playing on a network in the other
networks.