Fill in the fields:
Restriction Type—Choose either Allow or Deny.
If you select “Deny”, the configured portion of the network will not have
NTP access to SecureSync, but the rest of the network will have access to
SecureSync. If you select “allow”, the configured portion of the network
will have NTP access to SecureSync, but the rest of the network will not
have access to SecureSync. By default, SecureSync allows all IPv4 and
IPv6 connections.
IP Version—Choose IPv4 or IPv6
IP Address—Enter the appropriate hostname.
Subnet Mask—Enter the appropriate IP mask.
Require Authentication (checkbox)—Check this box if you want the addi-
tional security of authorized access. SecureSync to accept only authen-
ticated requests (MD5 or Autokey) from this user or network segment.
Allow NTP Queries (checkbox)—Check this box if you want to allow
external NTP queries into SecureSync services.
5.
Click the Submit button.
2.14.11 Enabling/Disabling NTP Broadcasting
The NTP Broadcast mode is intended for one or a few servers and many clients. SecureSync
allows the NTP service to be configured to broadcast the NTP time only to the network’s broad-
cast address at scheduled intervals.
NTP Broadcasting is used to limit the NTP service to only certain clients on the network. NTP
Broadcasting also reduces the amount of network traffic, but is therefore less accurate since
there is no compensation for cable delays, or other delays between NTP Server and Client.
Note that NTP Broadcasting is rarely used and typically limited to special applications.
To enable NTP Broadcasting:
2.14 Configuring NTP
CHAPTER 2 • SecureSync User Reference Guide Rev. 26
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