User guide

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Chapter 8: Services Tab airFiber
®
AF5/AF5U User Guide
Ubiquiti Networks, Inc.
• Authorized Keys Click Edit to import a public key file
for SSH access to the airFiber AF-5 instead of using an
admin password.
- Choose File Click Choose File to locate the new key
file. Select the file and click Open.
- Import Imports the file for SSH access.
- Enabled Enables the specific key. All the added keys
are saved in the system configuration file; however,
only the enabled keys are active on the airFiber AF-5.
- Type Displays the type of key.
- Key Displays the key.
- Comment You can enter a brief description of the
key.
- Action You have the following options:
• Add Adds a public key file.
• Edit Make changes to a public key file. Click Save to
save your changes.
• Del Deletes a public key file.
- Save Saves your changes.
- Close Discards your changes.
Telnet Server
The following Telnet Server parameters can be set:
Telnet Server This option activates Telnet access to the
airFiber AF-5.
• Server Port Specify the TCP/IP port of the Telnet Server.
NTP Client
Network Time Protocol (NTP) is a protocol for
synchronizing the clocks of computer systems over
packet-switched, variable-latency data networks. You can
use it to set the system time on the airFiber AF-5. If the Log
option is enabled, then the system time is reported next to
every log entry that registers a system event.
NTP Client Enables the airFiber AF-5 to obtain the system
time from a time server on the Internet.
• NTP Server Specify the IP address or domain name of
the NTP server.
Dynamic DNS
Domain Name System (DNS) translates domain names
to IP addresses; Each DNS server on the Internet holds
these mappings in its respective DNS database. Dynamic
Domain Name System (DDNS) is a network service that
notifies the DNS server in real time of any changes in
the airFiber AF-5’s IP settings. Even if the airFiber AF-5’s
IP address changes, you can still access the airFiber AF-5
through its domain name.
Dynamic DNS If enabled, the airFiber AF-5 allows
communications with the DDNS server.
• Host Name Enter the host name of the DDNS server.
• Username Enter the user name of the DDNS account.
• Password Enter the password of the DDNS account.
• Show Check the box to display the password
characters.