On 11/02/2012 07:46 AM, Gene Czarcinski wrote:
Currently, when an interface (virtual network) is started, if no ip
address is defined, then no rule is added to bemit "internal" network
traffic. However, virtual guests can use such a network to
communicate if a rule is added to the iptables/ip6tables rule set.
This will work even if no ip address is defined on an interface (which
is valid).
I propose that rules of the following forms be added when an interface
is started and removed when it is destroyed:
iptables -I FORWARD 1 -i virbr18 -o virbr18 -j ACCEPT
ip6tables -I FORWARD 1 -i virbr18 -o virbr18 -j ACCEPT
If a user wants a "very private network", the user has to run the
above commands. The proposal simply does this automatically.
It appears that this patch is not necessary since I can do this now
using nwfilters.
Question: I see little discussed or anything about nwfilters. Is
nwfilters an active concept or is it still included because of legacy?
Will this still work with firewalld?
Gene
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