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2024年7月16日发(作者:)
TCP port for RFB protocol. The RFB protocol is used for commnunication between VNC server and clients.
-rfbwait time
Maximum time, in milliseconds, to wait for an RFB client (VNC viewer).
-nocursor
Don't put up a pointer cursor on the desktop.
-rfbauth passwd-file
Use authentication on RFB protocol from the specified file. The passwd-file can be created using the (1) utility.
-httpd dir
Serve files via HTTP protocol from the specified directory. Normally, Java viewer classes are stored in such directory.
-httpport port
TCP port on which Xvnc should listen for incoming HTTP connections (to allow access to the desktop from any Java-capable
browser).
-deferupdate time
Time in milliseconds, to defer screen updates (default 40). Deferring updates helps to coalesce many small desktop changes into a
few larger updates thus saving network bandwidth.
-economictranslate
Use less memory-hungry pixel format translation.
-lazytight
Disable the "gradient" filter in Tight encoding (TightVNC-specific). The "gradient" filter often helps to improve data compression
ratios, but may slow down the server performance. Please note that this filter is never used when a client enables JPEG compression
in the Tight encoding.
-desktop name
Set VNC desktop name ("x11" by default).
-alwaysshared
Always treat new clients as shared, never disconnect existing client on a new client connection.
-nevershared
Never treat new clients as shared, do not allow several simultaneous client connections.
-dontdisconnect
Don't disconnect existing clients when a new non-shared connection comes in, refuse new connection instead.
-viewonly
Don't accept keboard and pointer events from clients. All clients will be able to see the desktop but won't be able to control it.
-localhost
Only allow loopback connections from localhost. This option is useful in conjunction with SSH tunneling.
-interface ipaddr
Listen for client connections only on the network interface with given ipaddr.
-inetd
Xvnc is launched by inetd. This option causes Xvncto redirect network input/output to stdin/stdout.
-compatiblekbd
Set META and ALT keys to the same X modifier flag, as in the original version of Xvnc by AT&T labs (TightVNC-specific).
BUGS
There are many security problems in current Xvnc implementation. It's recommended to restrict network access to Xvnc servers from
untrusted network adresses. Probably, the best way to secure Xvnc server is to allow only loopback connections from the server machine
(the -localhost option) and to use SSH tunneling for remote access to the Xvnc server. For details on SSH tunneling, see
SEE ALSO
(1), (1), (1),(1), sshd(1)
AUTHORS
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