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URL-SYNTAX: mention how FILE:// access can access network on windows 

Closes #6314
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Daniel Stenberg 2020-12-12 22:23:19 +01:00
parent b90c23d580
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@ -200,9 +200,16 @@ curl only allows the hostname part of a FILE URL to be one out of these three
alternatives: `localhost`, `127.0.0.1` or blank ("", zero characters). alternatives: `localhost`, `127.0.0.1` or blank ("", zero characters).
Anything else will make curl fail to parse the URL. Anything else will make curl fail to parse the URL.
On Windows, curl accepts that the FILE URL's path starts with a "drive ### Windows-specific FILE details
letter". That's a single letter `a` to `z` followed by a colon or a pipe
character (`|`). curl accepts that the FILE URL's path starts with a "drive letter". That's a
single letter `a` to `z` followed by a colon or a pipe character (`|`).
The Windows operating system itself will convert some file accesses to perform
network accesses over SMB/CIFS, through several different file path patterns.
This way, a `file://` URL passed to curl *might* be converted into a network
access inadvertently and unknowingly to curl. This is a Windows feature curl
cannot control or disable.
## IMAP ## IMAP