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3com 10014303 Manuel D’Utilisation

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Chapter 3  Configuring SSH Terminal Service 
Secure Shell (SSH) is a feature that provides information about security and powerful 
authentication functions, which can protect a router from the attacks such as IP 
address spoofing and plain text password. This is especially evident for remote users 
who access the router from a nonsecure network environment. The router provides 
simultaneous access of multiple SSH clients. SSH client allows a user to set up the 
SSH connection with an SSH-supported router or UNIX host. As shown in Figures 2-1 
and 2-2, you can set up an SSH channel for the purpose of local or WAN connection.
 
V1.20 supports SSH Server 1.5.
 
SSH Client-enabled PC
100BASE-TX
Serv er
Ethernet
Workstation
Laptop
Router
SSH Client-enabled PC
100BASE-TX
Serv er
Ethernet
Workstation
Laptop
Router
 
Set up an SSH channel in a LAN 
Local router
WAN line
Ethernet
Local SSH-enabled
PC
Local LAN
Router to be configured
Ethernet
Remote LAN
WAN
Serv er
Serv er
PC
Laptop
Laptop
Workstation
Workstation
Router
Router
Local router
WAN line
Ethernet
Local SSH-enabled
PC
Local LAN
Router to be configured
Ethernet
Remote LAN
WAN
Serv er
Serv er
PC
Laptop
Laptop
Workstation
Workstation
Router
Router
 
Set up an SSH channel across WAN 
3Com Router Configuration Guide Addendum for V1.20
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