===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/scp.c,v
retrieving revision 1.189
retrieving revision 1.190
diff -u -r1.189 -r1.190
--- src/usr.bin/ssh/scp.c	2017/04/28 03:21:12	1.189
+++ src/usr.bin/ssh/scp.c	2017/04/30 23:28:12	1.190
@@ -1,4 +1,4 @@
-/* $OpenBSD: scp.c,v 1.189 2017/04/28 03:21:12 millert Exp $ */
+/* $OpenBSD: scp.c,v 1.190 2017/04/30 23:28:12 djm Exp $ */
 /*
  * scp - secure remote copy.  This is basically patched BSD rcp which
  * uses ssh to do the data transfer (instead of using rcmd).
@@ -386,7 +386,11 @@
 		switch (ch) {
 		/* User-visible flags. */
 		case '1':
+			fatal("SSH protocol v.1 is no longer supported");
+			break;
 		case '2':
+			/* Ignored */
+			break;
 		case '4':
 		case '6':
 		case 'C':