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-rw-r--r--docs/libcurl/opts/CURLOPT_HTTPHEADER.312
1 files changed, 11 insertions, 1 deletions
diff --git a/docs/libcurl/opts/CURLOPT_HTTPHEADER.3 b/docs/libcurl/opts/CURLOPT_HTTPHEADER.3
index c5ccb1a53..c9f29e393 100644
--- a/docs/libcurl/opts/CURLOPT_HTTPHEADER.3
+++ b/docs/libcurl/opts/CURLOPT_HTTPHEADER.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, 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
@@ -77,6 +77,16 @@ the headers. They may be private or otherwise sensitive to leak.
Use \fICURLOPT_HEADEROPT(3)\fP to make the headers only get sent to where you
intend them to get sent.
+
+Custom headers are sent in all requests done by the easy handles, which
+implies that if you tell libcurl to follow redirects
+(\fBCURLOPT_FOLLOWLOCATION(3)\fP), the same set of custom headers will be sent
+in the subsequent request. Redirects can of course go to other hosts and thus
+those servers will get all the contents of your custom headers too.
+
+Starting in 7.58.0, libcurl will specifically prevent "Authorization:" headers
+from being sent to other hosts than the first used one, unless specifically
+permitted with the \fBCURLOPT_UNRESTRICTED_AUTH(3)\fP option.
.SH DEFAULT
NULL
.SH PROTOCOLS