diff options
| -rw-r--r-- | networking/ntpd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/networking/ntpd.c b/networking/ntpd.c index 465c74d6c..48dc1c379 100644 --- a/networking/ntpd.c +++ b/networking/ntpd.c @@ -2238,6 +2238,13 @@ recv_and_process_client_pkt(void /*int fd*/) from = xzalloc(to->len); size = recv_from_to(G_listen_fd, &msg, sizeof(msg), MSG_DONTWAIT, from, &to->u.sa, to->len); + + /* "ntpq -p" (4.2.8p13) sends a 12-byte NTPv2 request: + * m_status is 0x16: leap:0 version:2 mode:6(reserved1) + * https://docs.ntpsec.org/latest/mode6.html + * We don't support this. + */ + #if ENABLE_FEATURE_NTP_AUTH if (size != NTP_MSGSIZE_NOAUTH && size != NTP_MSGSIZE_MD5_AUTH && size != NTP_MSGSIZE_SHA1_AUTH) #else |