Cisco Cisco Web Security Appliance S170 ユーザーガイド
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Cisco IronPort AsyncOS 7.7.5 for Web User Guide
Chapter 4 Installation and Configuration
System Setup Wizard
Step 2. Configure Network Settings
Step 1
Configure the System Setting options, using the reference information in
; then click Next.
Step 2
Optionally, configure an external proxy server using the reference information in
; then click
Next.
Table 4-2
System Setting Options in System Setup Wizard
Option
Description
Default System
Hostname
Hostname
The fully-qualified hostname for the Web Security appliance. This name
should be assigned by your network administrator. This hostname is used to
identify the appliance in system alerts.
should be assigned by your network administrator. This hostname is used to
identify the appliance in system alerts.
DNS Server(s):
Use the Internet’s Root
DNS Servers
DNS Servers
Configures the appliance to use the Internet root DNS servers for domain
name service lookups.
name service lookups.
You might choose this option when the appliance does not have access to
DNS servers on your network.
DNS servers on your network.
The appliance requires access to a working DNS server in order to perform
DNS lookups for incoming connections. If you cannot specify a working
DNS server that the appliance can reach while you set up the appliance, you
can configure it to use the Internet root DNS servers or temporarily assign the
IP address of the Management interface so that you can complete the System
Setup Wizard.
DNS lookups for incoming connections. If you cannot specify a working
DNS server that the appliance can reach while you set up the appliance, you
can configure it to use the Internet root DNS servers or temporarily assign the
IP address of the Management interface so that you can complete the System
Setup Wizard.
For more information about configuring DNS settings, see
DNS Server(s):
Use these DNS Servers
Specifies local DNS servers for domain name service lookups. You must
enter at least one DNS server, and up to three total.
enter at least one DNS server, and up to three total.
You can choose to use the Internet root DNS servers or specify your own
DNS servers.
DNS servers.
For more information about configuring DNS settings, see
NTP Server
Uses a Network Time Protocol (NTP) server to synchronize the system clock
with other servers on the network or the Internet.
with other servers on the network or the Internet.
By default, the Cisco IronPort time server (time.ironport.com) is entered.
Time Zone
Sets the time zone on the appliance so that timestamps in message headers
and log files are correct. Use the drop-down menus to locate your time zone
or to define the time zone using the GMT offset.
and log files are correct. Use the drop-down menus to locate your time zone
or to define the time zone using the GMT offset.
For more information about the GMT offset, see