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errors.fyi/cocoa/NSURLErrorCannotConnectToHost
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-1004
numeric alias · refers to 1 code
-1004
Numeric alias
The numeric value -1004 doesn't have its own canonical entry — it's defined symbolically:
NSURLErrorCannotConnectToHost
Cannot Connect to Host
A TCP connection to the host could not be established, typically because the server is down, the port is closed, or a firewall is blocking the connection.
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