Zyxel ZyWALL USG 50 [168/185] M user management faq

ZyWALL USG Support Notes

168

M. User Management FAQ

M01. What is the difference between user and guest account?

Both “user” and “guest” are accounts for network access. But the difference is that

“user” account can login ZyWALL USG via telnet/SSH to view limited personal

information.

M02. What is the “re-authentication time” and “lease time”?

For security reasons, administrators and accessing users are required to authenticate

themselves after a period of time. The maximum session time is called

re-authentication time. Lease time is another timeout mechanism to force access users

to renew it manually (or automatically, it is configurable). For administrators, lease

time is much like an idle time when configuring GUI.

M03. Why can’t I sign in to the device?

There are several reasons that the device can deny the login for

1. Password is wrong

2. Service access policy violation

3. Too many simultaneous login session for an account

4. The IP address is locked out

5. System capacity reached

M04. Why is the TELNET/SSH/FTP session to the device

disconnected? Why is the GUI redirected to login page after I

click a button/link?

There are several reasons that device could log you out.

1. Re-authentication, lease or idle timeout

2. IP address is changed after authentication

3. Another account was used to login from the same computer

M05. What is AAA?

AAA stands for Authentication/Authorization/Accounting. AAA is a model for access