❏ Cloud Services
Google Cloud Print, Evernote etc.
❏ Site of Epson
Downloading the driver and
soware
and updating the printer's
rmware,
etc.
(B):DMZ(demilitarized zone)
is zone is placed between the internal network (intranet) and the external network (internet), and both networks
are segments isolated by the rewall. It is common to put the server that is opened for the external network. It is
able to protect diusion of an external threat to the internal network. Also, it is able to protect against
unauthorized access from the internal network to the server that is opened.
❏ DNS server
❏ Proxy server
❏ Email transfer server
❏ Web server
❏ FTP server
(C): Trust Zone (Intranet)
is is a trust network that is protected by the rewall or UTM (Unied reat Management).
❏ (C)-1: Server inside of the intranet
is server applies each service to the organization's computers.
❏ DNS server
❏ DHCP server
❏ Email server
❏ Active Directory server / LDAP server
❏ File server
❏ (C)-2: Application server
is server applies the function of the server application as follows.
❏ Epson Print Admin
❏ Document Capture Pro Server
❏ (C)-3: Wired LAN (Ethernet), (C)-4: Wireless LAN (Wi-Fi)
Connect printers, scanners, computers, etc. to the LAN by using a LAN cable or radio wave.
(D): Other branch
is is the other branch network. It is connected by the Internet, leased line, etc.
Network devices
❏ a: Firewall, UTM
❏ b: Router
❏ c: LAN switch
❏ d: Wireless LAN controller
❏ e: Access point
Administrator's Guide
Introduction
12
