Canon EOS-1D X Instruction Manual page 88

Handling Error Messages
24: No response from proxy server
What to check on the camera
The camera's proxy server setting is [Enable]. Does the error

occur under this setting?

If you are not using a proxy server, set the camera's proxy server
setting to [Disable] (p.23).
Do the camera's [Address setting] and [Port No.] settings match

those of the proxy server?

Configure the camera's proxy server address and port number to match
those of the proxy server (p.22).
In the camera's [Proxy server] settings, have you only entered

[Server name]?

If the proxy server's [Address] setting is not configured on the
camera, enter it along with the DNS server address (p.17). Make sure
the server name and port number for the proxy server are entered
correctly (p.22).
What to check on the proxy server
Is the proxy server on?


Turn the proxy server on.
Is the proxy server functioning correctly?

 Check the proxy server settings to make sure the server is functioning
correctly as a proxy server.

If applicable, ask your network administrator for the proxy server
address or server name and port number, and then enter them on the
camera.
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