docs: TLS SRP doesn't work with TLS 1.3

Reported-by: sayrer on github
Closes #4262
[skip ci]

5 files changed, 15 insertions, 5 deletions

diff --git a/docs/cmdline-opts/tlspassword.d b/docs/cmdline-opts/tlspassword.d
index 234a1168c..b2e65362e 100644
--- a/docs/cmdline-opts/tlspassword.d
+++ b/docs/cmdline-opts/tlspassword.d
@@ -4,3 +4,5 @@ Added: 7.21.4
 ---
 Set password for use with the TLS authentication method specified with
 --tlsauthtype. Requires that --tlsuser also be set.
+
+This doesn't work with TLS 1.3.
diff --git a/docs/cmdline-opts/tlsuser.d b/docs/cmdline-opts/tlsuser.d
index 72f1e1667..7192b9f1d 100644
--- a/docs/cmdline-opts/tlsuser.d
+++ b/docs/cmdline-opts/tlsuser.d
@@ -5,3 +5,5 @@ Added: 7.21.4
 ---
 Set username for use with the TLS authentication method specified with
 --tlsauthtype. Requires that --tlspassword also is set.
+
+This doesn't work with TLS 1.3.
diff --git a/docs/libcurl/opts/CURLOPT_TLSAUTH_PASSWORD.3 b/docs/libcurl/opts/CURLOPT_TLSAUTH_PASSWORD.3
index ba2d9e488..044d822e5 100644
--- a/docs/libcurl/opts/CURLOPT_TLSAUTH_PASSWORD.3
+++ b/docs/libcurl/opts/CURLOPT_TLSAUTH_PASSWORD.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -35,6 +35,8 @@ to use for the TLS authentication method specified with the
 
 The application does not have to keep the string around after setting this
 option.
+
+This feature relies in TLS SRP which doesn't work with TLS 1.3.
 .SH DEFAULT
 NULL
 .SH PROTOCOLS
diff --git a/docs/libcurl/opts/CURLOPT_TLSAUTH_TYPE.3 b/docs/libcurl/opts/CURLOPT_TLSAUTH_TYPE.3
index 6d1e131e7..744b5e46b 100644
--- a/docs/libcurl/opts/CURLOPT_TLSAUTH_TYPE.3
+++ b/docs/libcurl/opts/CURLOPT_TLSAUTH_TYPE.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -28,8 +28,8 @@ CURLOPT_TLSAUTH_TYPE \- set TLS authentication methods
 
 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TLSAUTH_TYPE, char *type);
 .SH DESCRIPTION
-Pass a pointer to a zero terminated string as parameter. The string
-should be the method of the TLS authentication. Supported method is "SRP".
+Pass a pointer to a zero terminated string as parameter. The string should be
+the method of the TLS authentication. Supported method is "SRP".
 
 .IP SRP
 TLS-SRP authentication. Secure Remote Password authentication for TLS is
@@ -40,6 +40,8 @@ options.
 
 The application does not have to keep the string around after setting this
 option.
+
+TLS SRP doesn't work with TLS 1.3.
 .SH DEFAULT
 blank
 .SH PROTOCOLS
diff --git a/docs/libcurl/opts/CURLOPT_TLSAUTH_USERNAME.3 b/docs/libcurl/opts/CURLOPT_TLSAUTH_USERNAME.3
index 56bb6377d..78f195581 100644
--- a/docs/libcurl/opts/CURLOPT_TLSAUTH_USERNAME.3
+++ b/docs/libcurl/opts/CURLOPT_TLSAUTH_USERNAME.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -35,6 +35,8 @@ to use for the TLS authentication method specified with the
 
 The application does not have to keep the string around after setting this
 option.
+
+This feature relies in TLS SRP which doesn't work with TLS 1.3.
 .SH DEFAULT
 NULL
 .SH PROTOCOLS