0

I obtain this row with iptables logging option:

IN= OUT=eno49 SRC=192.168.0.72 DST=224.1.0.2 LEN=196 TOS=0x00 PREC=0x00 TTL=5 ID=53310 DF PROTO=UDP SPT=9100 DPT=8100 this packet is DROPPED

I think this is a multicast connection.

Which is the rule that accept this packet?

1

You have to specify you want to accept multicast. For example, based on your logs :

iptables -A OUTPUT -o eno49 -p udp --dport 8100 -m pkttype --pkt-type multicast -j ACCEPT
  • '--sport 9100' is necessary? – karmax Oct 4 '16 at 14:27
  • Nothing is necessary but -m pkttype --pkt-type multicast, I just wanted to give an accurate example. – Sanael Oct 4 '16 at 14:52

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.