67211e9540
Remove use of .TP and some .B. The idea is to reduce nroff syntax as much as possible and to use it consistently. Ultimately, we should be able to introduce our own easier-to-use-and-read syntax/formatting and convert on generation time. Closes #12535
39 lines
1.4 KiB
D
39 lines
1.4 KiB
D
c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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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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Category: connection curl
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Example: --proto =http,https,sftp $URL
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Multi: single
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---
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Tells curl to limit what protocols it may use for transfers. 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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.IP +
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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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.IP -
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Deny this protocol, removing it from the list of protocols already permitted.
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.IP =
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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: --proto -ftps uses the default protocols, but disables ftps
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--proto -all,https,+http only enables http and https
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--proto =http,https also only enables http and https
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Unknown and disabled protocols produce a warning. This allows scripts to
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safely rely on being able to disable potentially dangerous protocols, without
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relying upon 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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