44 lines
1.3 KiB
D
44 lines
1.3 KiB
D
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Long: proto
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Arg: <protocols>
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Help: Enable/disable PROTOCOLS
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See-also: proto-redir proto-default
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Added: 7.20.2
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---
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Tells curl to limit what protocols it may use in the transfer. Protocols are
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evaluated left to right, are comma separated, and are each a protocol name or
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'all', optionally prefixed by zero or more modifiers. Available modifiers are:
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.RS
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.TP 3
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.B +
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Permit this protocol in addition to protocols already permitted (this is
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the default if no modifier is used).
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.TP
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.B -
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Deny this protocol, removing it from the list of protocols already permitted.
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.TP
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.B =
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Permit only this protocol (ignoring the list already permitted), though
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subject to later modification by subsequent entries in the comma separated
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list.
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.RE
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.IP
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For example:
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.RS
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.TP 15
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.B --proto -ftps
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uses the default protocols, but disables ftps
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.TP
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.B --proto -all,https,+http
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only enables http and https
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.TP
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.B --proto =http,https
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also only enables http and https
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.RE
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Unknown protocols produce a warning. This allows scripts to safely rely on
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being able to disable potentially dangerous protocols, without relying upon
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support for that protocol being built into curl to avoid an error.
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This option can be used multiple times, in which case the effect is the same
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as concatenating the protocols into one instance of the option.
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