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Comment: Prepared for build 20413

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Example for OPA0 console ("COM1" port):

set COM1 alias=OPA0

(info) Starting with Charon-AXP V4.11 build 204-13, the line above is optional. OPA0 is mapped by default to COM1.

Example when using the TTA0 console ("COM2" port):

set COM2 alias=TTA0

Refer to Mapping Serial line controllers to system resources 695402606 for details of mapping.

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Parameterapplication
TypeText string
Value

A command line for calling some host application for communication to Charon on a given COM line.

Typically this parameter is used for mapping COM1 or COM2 or some "xterm" terminal emulator

Example:

set OPA0 application = "xterm -title OPA0 -e telnet 127.0.0.1 10003"

If "putty" terrminl emulator is going to be used as an option copy the following file to your home directory:

# mkdir -p $HOME/.config/putty/sessions (if it does not already exist)
# cp /opt/charon/putty/sessions/CHTERM-VT100 $HOME/.config/putty/sessions

Example:

set OPA0 application = "putty -load CHTERM-VT100 -title OPA0@XYZ -P 10003"

connection_override

Parameter

connection_override

Typetext string
Value
"enable"
Allows new connection to override existing connection, if any. Enabled connection override on OPA0 allows to intercept virtual serial console.
When emulator detects new connection request on the port (10003 for the below example), it closes old connection, if any, and switches to the new one.
Example:
set COM1 alias = OPA0
set OPA0 port = 10003 connection_override = enable
(warning) This is implemented only for serial lines using the new syntax, not for lines using the legacy syntax (load virtual_serial_line ...).

access_control

(info) Available only since build 204-13

Parameteraccess_control
Typetext string
Value

"

set XXX alias=YYY" syntax. Lines using the legacy syntax are not supported.

disable"

Since build 204-13, Incoming connection requests are by default filtered for virtual serial lines and then allowed only for the localhost. This is to avoid security scanners that can block the port.

Example:

set OPA0 access_control = disable

(warning) This is implemented only for serial lines using the new syntax, not for lines using the legacy syntax (load virtual_serial_line ...).


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Notes on "port" and "application" parameters

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set COM1 alias=OPA0 port=10003 application="xterm -title OPA0 -e chterm -h 127.0.0.1:10003"


In this example CHARON-AXP OPA0 console connects to port 10003 of localhost ("127.0.0.1") and at the same time it starts "xterm" with parameters "-title OPA0 -e chterm -h 127.0.0.1:10003", instructs it to connect to the port 10003 of the host with TCP/IP address "127.0.0.1" (localhost)

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Mapping Serial line controllers to system resources

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