ZyXEL Communications ES-2024 Switch User Manual


 
ES-2024 Series User’s Guide
Chapter 23 Access Control 150
CHAPTER 23
Access Control
This chapter describes how to control access to the switch.
23.1 Access Control Overview
A console port and FTP are allowed one session each, Telnet and SSH share four sessions, up
to five web management sessions (five different usernames and passwords) and/or limitless
SNMP access control sessions are allowed.
When multiple login is disabled and there is already a console port session, you cannot telnet
to the switch. The following error message displays.
If you disable multiple login while another administrator is accessing the switch via telnet, the
switch will immediately log out the administrator and disconnect the telnet session. The
following error message displays.
See Section 30.2.1 on page 182 for more information on disabling multi-login.
23.2 The Access Control Main Screen
Click Management, Access Control in the navigation panel to display the main screen as
shown. Use these links to configure remote management options and create user accounts on
the switch.
Table 51 Access Control Overview
Console Port SSH Telnet FTP Web SNMP
Number of
concurrent
sessions allowed
1 SSH and Telnet
share 4
sessions.
15No limit
Connection to host lost.
C:\>
multi-login is disabled, please exit immediately!!
Connection to host lost.
C:\>