Chapter 14. Server Configuration
/vsmserver/unbind_ports_at_login
If this parameter is true, processes occupying the users’ interval of forwarded ports will be killed at
login. This means that if a user logs in twice to the same session, the second login will get working
tunnel ports, if this parameter is true. The first session’s tunnel ports will stop working. If the
parameter is false, the first session will keep the ports.
14.2.3. Parameters in /vsm/
Parameters in the /vsm/ folder are used by both the VSM agent and the VSM server. Neither of them
need to be changed on a normal ThinLinc installation.
/vsm/tunnel_bind_base
The tunnels setup by the client to access various resources (audio, serial port, network resources,
local printer) need one port number each on the server running the VSM agent the client is
connected to. This parameter decides the lowest such port that is allocated by the VSM agent. Each
user has a port range defined by the formula /vsm/tunnel_bind_base + display-ID*10 +
service_slot where the service_slot depends on which service will use the tunnel. This port
range is however used only for sessions with display numbers less than 100. See Appendix A for an
in-depth explanation of port allocation.
Note: This parameter should normally not be changed.
/vsm/tunnelservices/
There are several parameters under the /vsm/tunnelservices folder. Each one decides which
ports are used at serverside termination points for the tunnels used to access client resources. See
Appendix A for an in-depth explanation of port allocation.
Note: None of these parameters should normally be changed.
/vsm/tunnelslots_per_session
The number of ports to reserve for tunnel port endpoints on the server. The number of ports actually
used depends on the number of services defined under /vsm/tunnelservices/ . We recommend
letting this parameter have its default value (10), since that leaves for further services and easy live
upgrades of ThinLinc. See Appendix A for an in-depth explanation of port allocation.
/vsm/vnc_port_base
The port base for VNC communication. The VNC protocol runs on one port per active user on the
VSM agent host, and this is the base of the numbers used. That is, for the first user, the port will be
/vsm/vnc_port_base + 1, for the second user /vsm/vnc_port_base + 2 and so on. This
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