Those look much like Bonjour / mDNS requests to me. Those packets use multicast IP address 224.0.0.251 and port 5353. The most likely source for this is Apple iTunes, which comes pre-installed on Mac computers (and is a popular install on Windows machines as well). Apple iTunes uses it to discover other iTunes-compatible devices in … Read more
I don’t frequent SF so frequently, but I can see that this question has attracted a fair bit of attention, so let me just summarise my findings here, and hopefully provide something of a solution to those experiencing the same issue:- It seems that this is a bug with the version of Avahi that ships … Read more
Since you already know the IP addresses you can look up the reverse entry for each IP address to get the associated forward address: $ dig -x 10.0.0.200 @224.0.0.251 -p 5353 ; <<>> DiG 9.6.0-APPLE-P2 <<>> -x 10.0.0.200 @224.0.0.251 -p 5353 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: … Read more
Yes. Stuart Cheshire, who was the creator and is a primary maintainer of Rendezvous/Bonjour at Apple, who also co-chaired the IETF ZeroConf working group, and wrote the O’Reilly book on Zero Configuration Networking, has described Bonjour as a “three-legged stool” where the legs are: IPv4 (and IPv6) link-local addressing Multicast Name Resolution (mDNS) DNS Service … Read more