Problem receiving UDP broadcast on wxppro and w2008s64

[Bruno Jesus]

On Friday, April 3, 2015, Francois Gouget <fgouget at free.fr> wrote:

> On Wed, 1 Apr 2015, Bruno Jesus wrote:
>
> > Hi, Francois, I hope you can help me in this situation. The patch
> > attached to bug 31994 [1] (compiled version at [2]) runs fine in most
> > testbot machines (tested dozens of times) and my personal XP machine,
> > but for some reason it doesn't work in xppro and w2008s64.
>
> I have tested this in two Windows XP VMs and indeed, disabling the
> firewall fixes the issue. Also I did not see any predefined setting
> could be flipped to change this behavior. My understanding is that with
> SP3 installed by default the firewall blocks everything except what is
> allowed. So by default broadcasts do not get it.
>
> Adding ws2_32_test.exe as an exception to the Windows firewall also
> solves the problem but I don't think it can be automated which would be
> mostly needed for the testbot.
>
> What's strange is that Windows 2003 is ok but not Windows 2008
> although both are server editions.
>
> Can the test work with 127.0.0.1 + 127.255.255.255?


Thanks for the test, so disabling in 2008 solves too or not? Would it be
too bad to keep the firewall disabled by default?

I wonder how utorrent adds itself to firewall free list, maybe i could try
the same.

Using the loopback interface is not good because the test would not work on
linux nor freebsd, i don't know if it would work in windows or not, but i
guess no.

Best wishes,
Bruno
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