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-rw-r--r--lib/vtls/schannel.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/vtls/schannel.c b/lib/vtls/schannel.c
index ca7545662..bd9239956 100644
--- a/lib/vtls/schannel.c
+++ b/lib/vtls/schannel.c
@@ -130,6 +130,14 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
infof(data, "schannel: SSL/TLS connection with %s port %hu (step 1/3)\n",
hostname, conn->remote_port);
+ if(Curl_verify_windows_version(5, 1, PLATFORM_WINNT,
+ VERSION_LESS_THAN_EQUAL)) {
+ /* SChannel in Windows XP (OS version 5.1) uses legacy handshakes and
+ algorithms that may not be supported by all servers. */
+ infof(data, "schannel: WinSSL version is old and may not be able to "
+ "connect to some servers due to lack of SNI, algorithms, etc.\n");
+ }
+
#ifdef HAS_ALPN
/* ALPN is only supported on Windows 8.1 / Server 2012 R2 and above.
Also it doesn't seem to be supported for Wine, see curl bug #983. */
@@ -197,7 +205,7 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
schannel_cred.dwFlags |= SCH_CRED_NO_SERVERNAME_CHECK;
infof(data, "schannel: verifyhost setting prevents Schannel from "
"comparing the supplied target name with the subject "
- "names in server certificates. Also disables SNI.\n");
+ "names in server certificates.\n");
}
switch(conn->ssl_config.version) {