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docs: Explain behavior change in --tlsv1. options since 7.54 

Since 7.54 --tlsv1. options use the specified version or later, however
older versions of curl documented it as using just the specified version
which may or may not have happened depending on the TLS library.
Document this discrepancy to allay confusion for users familiar with the
old documentation that expect just the specified version.

Fixes https://github.com/curl/curl/issues/4097
Closes https://github.com/curl/curl/pull/4119
This commit is contained in:
Jay Satiro 2019-07-16 12:27:35 -04:00
parent e8442e4ffc
commit c7f3c073f4
5 changed files with 22 additions and 0 deletions
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4
docs/cmdline-opts/tlsv1.0.d
View File

@ -4,3 +4,7 @@ Protocols: TLS
Added: 7.34.0
---
Forces curl to use TLS version 1.0 or later when connecting to a remote TLS server.
In old versions of curl this option was documented to allow _only_ TLS 1.0,
but behavior was inconsistent depending on the TLS library. Use --tls-max if
you want to set a maximum TLS version.

4
docs/cmdline-opts/tlsv1.1.d
View File

@ -4,3 +4,7 @@ Protocols: TLS
Added: 7.34.0
---
Forces curl to use TLS version 1.1 or later when connecting to a remote TLS server.
In old versions of curl this option was documented to allow _only_ TLS 1.1,
but behavior was inconsistent depending on the TLS library. Use --tls-max if
you want to set a maximum TLS version.

4
docs/cmdline-opts/tlsv1.2.d
View File

@ -4,3 +4,7 @@ Protocols: TLS
Added: 7.34.0
---
Forces curl to use TLS version 1.2 or later when connecting to a remote TLS server.
In old versions of curl this option was documented to allow _only_ TLS 1.2,
but behavior was inconsistent depending on the TLS library. Use --tls-max if
you want to set a maximum TLS version.

5
docs/libcurl/opts/CURLOPT_PROXY_SSLVERSION.3
View File

@ -69,6 +69,11 @@ The flag defines maximum supported TLS version as TLSv1.2.
The flag defines maximum supported TLS version as TLSv1.3.
(Added in 7.54.0)
.RE
In versions of curl prior to 7.54 the CURL_SSLVERSION_TLS options were
documented to allow \fIonly\fP the specified TLS version, but behavior was
inconsistent depending on the TLS library.
.SH DEFAULT
CURL_SSLVERSION_DEFAULT
.SH PROTOCOLS

5
docs/libcurl/opts/CURLOPT_SSLVERSION.3
View File

@ -79,6 +79,11 @@ The flag defines maximum supported TLS version as TLS v1.2.
The flag defines maximum supported TLS version as TLS v1.3.
(Added in 7.54.0)
.RE
In versions of curl prior to 7.54 the CURL_SSLVERSION_TLS options were
documented to allow \fIonly\fP the specified TLS version, but behavior was
inconsistent depending on the TLS library.
.SH DEFAULT
CURL_SSLVERSION_DEFAULT
.SH PROTOCOLS