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27c9b375f6
curl drops support for TLS libraries without TLS 1.3 capability after May 2025. It requires that a curl build using the library should be able to negotiate and use TLS 1.3, or else it is not good enough. We support a vast amount of other TLS libraries that are likely to satisfy users better. Closes #13544
56 lines
1.8 KiB
Markdown
56 lines
1.8 KiB
Markdown
<!--
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Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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-->
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# Items to be removed from future curl releases
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If any of these deprecated features is a cause for concern for you, please
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email the
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[curl-library mailing list](https://lists.haxx.se/listinfo/curl-library)
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as soon as possible and explain to us why this is a problem for you and
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how your use case cannot be satisfied properly using a workaround.
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## TLS libraries without 1.3 support
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curl drops support for TLS libraries without TLS 1.3 capability after May
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2025.
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It requires that a curl build using the library should be able to negotiate
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and use TLS 1.3, or else it is not good enough.
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As of May 2024, the libraries that need to get fixed to remain supported after
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May 2025 are: BearSSL and Secure Transport.
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## space-separated `NOPROXY` patterns
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When specifying patterns/domain names for curl that should *not* go through a
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proxy, the curl tool features the `--noproxy` command line option and the
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library supports the `NO_PROXY` environment variable and the `CURLOPT_NOPROXY`
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libcurl option.
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They all set the same list of patterns. This list is documented to be a set of
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**comma-separated** names, but can also be provided separated with just
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space. The ability to just use spaces for this has never been documented but
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some users may still have come to rely on this.
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Several other tools and utilities also parse the `NO_PROXY` environment
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variable but do not consider a space to be a valid separator. Using spaces for
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separator is probably less portable and might cause more friction than commas
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do. Users should use commas for this for greater portability.
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curl removes the support for space-separated names in July 2024.
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## past removals
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- Pipelining
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- axTLS
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- PolarSSL
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- NPN
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- Support for systems without 64 bit data types
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- NSS
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- gskit
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- mingw v1
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- NTLM_WB
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