What You Need To Know About Remote Management - ZyXEL Communications 5 Series User Manual

Chapter 27 Remote Management Screens

27.1.2 What You Need To Know About Remote Management

Firewall Rules
When you configure remote management to allow management from any network except the
LAN, you still need to configure a firewall rule to allow access. See
for details on configuring firewall rules.
You can also disable a service on the ZyWALL by not allowing access for the service/protocol
through any of the ZyWALL interfaces.
Remote Management Sessions
You may only have one remote management session running at a time. The ZyWALL
automatically disconnects a remote management session of lower priority when another
remote management session of higher priority starts. The priorities for the different types of
remote management sessions are as follows.
1 Console port
2 SSH
3 Telnet
4 HTTPS and HTTP
Remote Management Limitations
Remote management does not work when:
1 You have not enabled that service on the interface in the corresponding remote
management screen.
2 You have disabled that service in one of the remote management screens.
3 The IP address in the Secure Client IP Address field does not match the client IP
address. If it does not match, the ZyWALL will disconnect the session immediately.
4 There is already another remote management session with an equal or higher priority
running. You may only have one remote management session running at one time.
5 There is a firewall rule that blocks it.
6 A filter is applied (through the SMT or the commands) to block a Telnet, FTP or Web
service.
System Timeout
There is a default system management idle timeout of five minutes (three hundred seconds).
The ZyWALL automatically logs you out if the management session remains idle for longer
than this timeout period. The management session does not time out when a statistics screen is
polling. You can change the timeout period in the MAINTENANCE > General screen.
Finding Out More
For more advanced information regarding Remote Management refer to
516.
The next section covers remote management examples. If you would prefer to find out how to
configure the screens then proceed to
492
Section 27.3 on page 504.
ZyWALL 5/35/70 Series User's Guide
Chapter 13 on page 251
Section 27.13 on page