Panasonic NN46240-501 - Manual (Page 171)

9 Telnet and S SH
Nortel Secure Router 8000 Series
Configuration Guide - Basic Configuration
Ctrl_]: The server interrupts the connection.
If the network connection is normal, when you press Ctrl+], the Telnet server interrupts the
current Telnet connection. For example:
< R o u t e r C > (Press to return to the prompt of RouterB.
N o t e : T h e m a x n u m b e r o f V T Y u s e r s i s 5 , a n d t h e c u r r e n t n u m b e r
o f V T Y u s e r s o n l i n e i s 0 .
The connection was closed by the remote host!
< R T B > ( P r e s s < C t r l _ ] > t o r e t u r n t o t h e p r o m p t o f R o u t e r A . )
N o t e : T h e m a x n u m b e r o f V T Y u s e r s i s 5 , a n d t h e c u r r e n t n u m b e r
o f V T Y u s e r s o n l i n e i s 0 .
The connection was closed by the remote host!
< R T A >
OQ NOTE
If the network disconnects, the shortcut keys become invalid and instructions cannot be sent to the
server.
Ctrl_K: The client interrupts the connection.
When the server fails and the client is unaware of the failure, the server does not respond to
client input. In this case, if you press Ctrl+K, the Telnet client interrupts the connection and
quits the Telnet connection. For example:
< R o u t e r C > (Press < C t r l _ K > to directly interrupt the connection and quit Telnet
connection.
< R o u t e r A >
9.1.3 SSH terminal services
Overview of SSH
When users on a nonsecure network log on to the router through Telnet, the Secure Shell
(SSH) feature provides security and authentication. SSH protects the router from attacks such
as IP address spoofing and interception of plain text passwords.
Multiple SSH users can connect to the router.
The SSH client function allows users to establish SSH connections with a router that supports
an SSH server or a UNIX host. As shown in Figure 9-4 and Figure 9-5, an SSH channel is set
up for the local area network (LAN) connection and the wide area network (WAN)
connection.
9-4 Nortel Networks Inc. Issue 5.3 (30 March 2009)