diff options
Diffstat (limited to 'proto/bfd/packets.c')
-rw-r--r-- | proto/bfd/packets.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/proto/bfd/packets.c b/proto/bfd/packets.c index 5f10734c..cb5f0d89 100644 --- a/proto/bfd/packets.c +++ b/proto/bfd/packets.c @@ -374,6 +374,10 @@ bfd_rx_hook(sock *sk, uint len) /* FIXME: better session matching and message */ if (!s) return 1; + + /* For active sessions we require matching remote id */ + if ((s->loc_state == BFD_STATE_UP) && (ntohl(pkt->snd_id) != s->rem_id)) + DROP("mismatched remote id", ntohl(pkt->snd_id)); } /* bfd_check_authentication() has its own error logging */ |