Ignore control characters

bk: 442e5283UgWAt9zPRRofuwCLeAhPUA

diff --git a/ntpd/refclock_acts.c b/ntpd/refclock_acts.c
index e8400f2ce28556cb771340f622560b549a624a97..9558b09977e540353721e46b4eed94e5e05cf9c8 100644 (file)
--- a/ntpd/refclock_acts.c
+++ b/ntpd/refclock_acts.c
@@ -333,7 +333,7 @@ acts_receive (
                                acts_message(peer);
                                up->bufptr = pp->a_lastcode;
                        }
-               } else {
+               } else if (!iscntrl(*tptr)) {
                        *up->bufptr++ = *tptr;
                        if (*tptr == '*' || *tptr == '#') {
                                up->tstamp = pp->lastrec;