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AlterPath ACS Command Reference Guide
201
Administration
5.11 Session Sniffing
When multiple sessions are allowed for one port, the behavior of the ACS
will be as follows:
1. The first user to connect to the port will open a common session.
2. From the second connection on, only admin users will be allowed to connect to
that port. The ACS will send the following menu to these administrators
(defined by the parameter
all.admin_users or sN.admin_users in the file
pslave.conf ):
——————————————————————————————————————————————————————
* * * ttySN is being used by (<first_user_name>) !!!
*
1 - Initiate a regular session
2 - Initiate a sniff session
3 - Send messages to another user
4 - Kill session(s)
5 - Quit
Enter your option:
——————————————————————————————————————————————————————
If the user selects 1 - Initiate a regular session , s/he will share that serial
port with the users that were previously connected. S/he will read
everything that is received by the serial port, and will also be able to write
to it.
If the user selects
2 - Initiate a sniff session , s/he will start reading
everything that is sent and/or received by the serial port, according to the
parameter
all.sniff_mode or sN.sniff_mode (that can be in, out or i/o).
When the user selects 3 - Send messages to another user , the ACS will
send the user’s messages to all the sessions, but not to the tty port.
Everyone connected to that port will see all the “conversation” that’s
going on, as if they were physically in front of the console in the same
room. These messages will be formatted as:
[Message from user/PID] <<message text goes here>> by the ACS.
To
inform the ACS that the message is to be sent to the serial port or not, the
user will have to use the menu.
If the administrator chooses the option
4 - Kill session(s) , the ACS will
show him/her a list of the pairs PID/username, and s/he will be able to
select one session typing its PID, or “all” to kill all the sessions. If the
administrator kills all the regular sessions, his session initiates as a regular
session automatically.