Subject: Re: kern/23221: setsockopt IP_ADD_MEMBERSHIP arguments not honored
To: None <email@example.com>
From: Jun-ichiro itojun Hagino <firstname.lastname@example.org>
Date: 10/24/2003 14:02:00
> I'm posting here to try and drive some action to a PR I have filed
> regarding the handling of IPv4 multicast traffic in BSD4.4-Lite based
> operating systems.
> There is an error in handling incoming packets in udp4_realinput()
> (src/sys/netinet/udp_usrreq.c at line 582). Inbound multicast packets
> on any interface listening to a given multicast address are passed to
> every socket listening to that address. This behavior is inconsistent
> with the documentation in ip(4)s manpage and with the description given
> in UNP Vol. 1 (Stevens) at page 496.
the current behavior is the same as traditional 4.4BSD behavior.