hello Tom,
After playing with shorewall-init a bit more, I have some more issues:

1) shorewall6: accept_ra does not get restored when the network is
restarted. A shorewall restart fixes that. I would have expected
ifup-local to perform the same settings as a shorewall restart does. Am
I missing something? 
I hve traced the problem to interface_is_usable() in the firewall script: 
it uses find_first_interface_address_if_any() that returns no address 
assigned yet as it needs a router advertisement to do so. All 
interfaces on my machine have that problem as I am using the wide 
dhcpv6 client to retrieve a prefix delegation from the modem on the 
interface that has accept_ra set. Would it be possible to remove 
the test for the interface address? 
Again, a shorewall restart works ok.

2) shorewall: I have net.ipv4.ip_forward = 0
 in sysctl.conf. Shorewall-init does not set the forwarding per interface as
shorewall restart does. Do you have any idea what might cause this?

Is this another mistake in my configurration like yes goofup I had yesterday?

Kind regards, Louis




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