- /* Must specify proto == TCP/UDP, no unknown flags or bad count */
- return (proto == IPPROTO_TCP || proto == IPPROTO_UDP)
+ /* Must specify supported protocol, no unknown flags or bad count */
+ return (proto == IPPROTO_TCP || proto == IPPROTO_UDP
+ || proto == IPPROTO_SCTP || proto == IPPROTO_DCCP)