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Page 259
As detailed in
Chapter 4
, the
Server
console server is setup in
Console server
mode with either RAW or RFC2217 enabled
and the
Client
console server is set up in Serial Bridging Mode with the Server Address, and Server TCP Port (4000 + port
for RAW or 5000 + port # for RFC2217) specified:
Select
SSH Tunnel
when configuring the
Serial Bridging Setting.
Next, you will need to set up SSH keys for each end of the tunnel and upload these keys to the
Server
and
Client
console
servers.
Client Keys:
The first step in setting up ssh tunnels is to generate keys. Ideally, you will use a separate, secure, machine to generate
and store all keys to be used on the
console servers
. If this is not ideal for your situation, keys may be generated on the
console servers
themselves.
It is possible to generate only one set of keys, and reuse them for every SSH session. While we do not recommend this,
each organization will need to balance the security of separate keys against the additional administration they bring.
Generated keys may be one of two types—RSA or DSA (and it is beyond the scope of this document to recommend one
over the other). RSA keys will go into the files
id_rsa
and
id_rsa.pub
. DSA keys will be stored in the files
id_dsa
and
id_dsa.pub
.
For simplicity going forward, the term
private key
will be used to refer to either
id_rsa
or
id_dsa
and
public key
to refer
to either
id_rsa.pub
or
id_dsa.pub.
