Author: tuexen
Date: Fri Apr 28 15:38:34 2017
New Revision: 317558
URL: https://svnweb.freebsd.org/changeset/base/317558
Log:
Set the DF bit for responses to out-of-the-blue packets.
MFC after: 1 week
Modified:
head/sys/netinet/sctp_output.c
Modified: head/sys/netinet/sctp_output.c
==============================================================================
--- head/sys/netinet/sctp_output.c Fri Apr 28 15:15:26 2017
(r317557)
+++ head/sys/netinet/sctp_output.c Fri Apr 28 15:38:34 2017
(r317558)
@@ -11147,7 +11147,7 @@ sctp_send_resp_msg(struct sockaddr *src,
ip->ip_v = IPVERSION;
ip->ip_hl = (sizeof(struct ip) >> 2);
ip->ip_tos = 0;
- ip->ip_off = 0;
+ ip->ip_off = htons(IP_DF);
ip_fillid(ip);
ip->ip_ttl = MODULE_GLOBAL(ip_defttl);
if (port) {
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