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1101 and 1102 Secure Device Servers
PuTTY can be downloaded at http://www.tucows.com/preview/195286.html
SSH: We recommend that you use SSH as the protocol where the User or Administrator connects to the console server (or connects through
the console server to the attached serial consoles) over the Internet or any other public network. This will provide authenticated SSH
communications between the SSH client program on the remote user's computer and the console server, so the user's communication with
the serial device attached to the console server is secure.
For SSH access to the consoles on devices attached to the console server serial ports, you can use SDT Connector. Configure SDT Connector
with the console server as a gateway, then as a host, and enable SSH service on Port (3000 + serial port #) i.e. 3001-3002. Chapter 6—
Secure Tunneling has more information on using SDT Connector for SSH access to devices that are attached to the console server serial
ports.
You can also use common communications packages, like PuTTY or SSHTerm to SSH connect directly to port address IP Address _ Port
(3000 + serial port #), for example, 3001–3002.
SSH connections can be configured using the standard SSH port 22. Identify the the serial port that's accessed by appending a descriptor to
the username. This syntax supports:
<username>:<portXX>
<username>:<port label>
<username>:<ttySX>
<username>:<serial>
For a User named "fred" to access serial port 2, when setting up the SSHTerm or the PuTTY SSH client, instead of typing username = fred
and ssh port = 3002, the alternate is to type username = fred:port02 (or username = fred:ttyS1) and ssh port = 22.
Or, by typing username=fred:serial and ssh port = 22. A port selection option appears to the User:
30
Figure 5-6. PuTTY Configuration screen.
Figure 5-7. Port Selection option.
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