Daytime Protocol, RFC-867: A standard Internet service, featuring an
ASCII daytime representation, often used for diagnostic purposes.
Time Protocol, RFC-868: This protocol is used to provide a machine-read-
able, site-independent date and time.
Telnet: Remote configuration
SSH+SFTP: Secure Shell cryptographic network protocol for secure data
communication and secure access to logs.
HTTPS: Hypertext Transfer Protocol Secure
tcpdump: A LINUX program that can be used to monitor network traffic by
inspecting tcp packets. Default = ON.
If not needed, or wanted (out of concern for potential security risks), tcp-
dump can be disabled permanently: Once toggled to OFF, and after execut-
ing a page reload, tcpdump will be deleted from the system: The toggle
switch will be removed, and the function cannot be enabled again (even
after a software upgrade).
iptables
While not accessible via the WebUI, iptables (an application allowing for cus-
tomizable access restrictions) are supported.
Note that iptables is always ON, and its policies can only be accessed via the
Command Line Interface (see "CLICommands" on page555) in combination with
the Sudo command. Please also note that you need to have admin user rights to
run this command.
Note: A listing of recommended and default network settings can be
found under "Default and Recommended Configurations" on
page347.
2.14.4 Static Routes
Static routes are manually configured routes used by network data traffic, rather
than solely relying on routes chosen automatically by DHCP (Dynamic Host Con-
figuration Protocol). With statically configured networks, static routes are in fact
the only possible way to route network traffic.
To view, add, edit, or delete a static route:
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CHAPTER 2 • SecureSync 2400 User Manual Rev. 5.2
2.14 Configure Network Settings
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