Socket bound to 0.0.0.0 never receives broadcasts with non-zero IP source address

Yuri yuri at rawbw.com
Thu Apr 9 01:43:24 UTC 2015


On 04/08/2015 16:07, John Howie wrote:
> Have you tried using a static IP address for the host and VM, and
> disabling DHCP? The DHCP client will bind to and use 0.0.0.0 to get an IP
> address. The SO_REUSEADDR rule is that every tuple (proto, src ip, src
> port, dst ip, dst prt) must be unique. I am wondering if that is where
> your problem lies. There might be something that is shortcutting the
> uniqueness of the tuple and just focusing on IP addresses. I would
> validate that for you but I am at 35000¹ right now...
>

Hi John,

I apologize, I actually did have ipfw rules set, and ipfw is the culprit.

Yuri


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