On Tue, Mar 06, 2018 at 12:56:47PM -0500, Laine Stump wrote:
> This test is supposed to test that the no-mac-broadcast nwfilter
> properly blocks all outgoing traffic with the MAC broadcast address as
> its destination. When the no-mac-broadcast filter is used by itself,
> though, it blocks even DHCP and ARP requests, meaning that the network
> connection to the guest isn't even enough to allow the test script to
> ssh in to do its work.
> This patch solves the problem by temporarily creating a new nwfilter
> that precedes the no-mac-broadcast rule with clean-traffic (which will
> allow dhcp requests and responses) and allow-arp (as the name
> states). This gives us enough network connection to get into the
> guest, attempt a broadcast ping, and see that it fails.
> (I'm not sure how this test ever reported success in the past. If it
> did, it was only because something else was broken).
> Signed-off-by: Laine Stump <la...@laine.org>
> scripts/nwfilter/230-no-mac-broadcast.t | 29 ++++++++++++++++++++++++++++-
> 1 file changed, 28 insertions(+), 1 deletion(-)
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
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