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SSL/TLS

216 IOLAN SDS/SCS/STS User’s Guide, Version 3.6

SSL/TLS

Overview

When SSL/TLS is configured, data is encrypted between the IOLAN and the host/device (which must

also support SSL/TLS). When you configure the

SSL/TLS settings in the System section, you are

configuring the default global SSL/TLS settings; you are not configuring an SSL/TLS server.

Functionality

You can create an encrypted connection using SSL/TLS for the following profiles: TruePort, TCP

Sockets

, Terminal (the user’s Service must be set to SSL_Raw), Serial Tunneling, Virtual Modem,

and

Modbus.

When configuring SSL/TLS, the following configuration options are available:

z You can set up the IOLAN to act as an SSL/TLS client or server.

z There is an extensive selection of SSL/TLS ciphers that you can configure for your SSL/TLS

connection;

Appendix B, SSL/TLS Ciphers on page 347 for a list of SSL/TLS ciphers.

z You can enable peer certificate validation, for which you must supply the validation criteria that

was used when creating the peer certificate (this is case sensitive).

Break String The break string used for inband SSH break signal processing. A break signal

is generated on a specific serial port only when the server's break option is

enabled and the user currently connected using reverse SSH has typed the

break string exactly.

Field Format: maximum 8 characters

Default: ~break, where ~ is tilde

Enable Verbose

Output

Displays debug messages on the terminal.

Default: Disabled

Allow Compression Requests compression of all data. Compression is desirable on modem lines

and other slow connections, but will only slow down things on fast networks.

Default: Disabled

Note:

See Keys and Certificates on page 232 for information about SSL/TLS support documents.

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Perle Systems IOLAN SCS Manual de usuario Pagina 216