upstream: Remove comment referencing now-removed

RhostsRSAAuthentication.  ok djm@

OpenBSD-Commit-ID: 3d864bfbd99a1d4429a58e301688f3be464827a9

1 files changed, 2 insertions, 4 deletions

diff --git a/auth.c b/auth.c
index c5320232..00b168b4 100644
--- a/auth.c
+++ b/auth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth.c,v 1.152 2021/04/03 06:18:40 djm Exp $ */
+/* $OpenBSD: auth.c,v 1.153 2021/07/05 00:50:25 dtucker Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  *
@@ -734,9 +734,7 @@ fakepw(void)
  * be freed. NB. this will usually trigger a DNS query the first time it is
  * called.
  * This function does additional checks on the hostname to mitigate some
- * attacks on legacy rhosts-style authentication.
- * XXX is RhostsRSAAuthentication vulnerable to these?
- * XXX Can we remove these checks? (or if not, remove RhostsRSAAuthentication?)
+ * attacks on based on conflation of hostnames and IP addresses.
  */
 
 static char *