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It is also my experience that iptables will make rules for |
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non-existent interfaces with no problems. It may be that you are |
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seeing the behavior that was modified as a result of bug 78495: |
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|
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https://bugs.gentoo.org/show_bug.cgi?id=78495 |
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|
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Hotplug made things a little tougher, because of its tendency to bring |
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up the interface when the module is loaded. There was some discussion |
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of this in bugzilla and a decision was made to make it configurable. |
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The interface coming up on hotplug was desired behavior by some users, |
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particularly in regard to wireless interfaces. |
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|
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Admittedly the window is small and not likely to be of use, but it |
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seems silly to leave it open when it isn't necessary. |
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|
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On 2/4/06, Mariusz Pêkala <skoot@××.pl> wrote: |
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> On 2006-02-04 13:12:06 +0000 (Sat, Feb), Graham Murray wrote: |
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> > Jon Mitchell <junk@×××××××.uk> writes: |
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> > |
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> > > The current behaviour of a default Gentoo install is to load iptables |
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> > > after the network has been initialised. Upon shutting down likewise |
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> > > iptables is shutdown then the network interface. This strikes me as |
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> > > presenting a window of opportunity when the computer is exposed without |
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> > > iptables, albeit a small one. |
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> > > |
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> > > Do people on this list think there is any value in re-arranging this |
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> > > order by default? |
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> > |
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> > The problem with doing the other way is that iptables rules can |
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> > reference the specific interfaces to which the rule applies. This will |
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> > (AFAIK) fail if the interface does not exist when the rule is |
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> > created. Therefore iptables has to be started after the network. |
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> |
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> AFAIK that would not happen. |
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> You may set a rule for non-existing interface and iptables will not |
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> fail. If you do have two eth interfaces, try to set a rule for eth4 - |
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> you will see (I hope) no error. I saw none. |
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> |
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> I would vote for starting firewall before network, having my humble |
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> opinion on that topic. :-) |
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> |
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> |
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> -- |
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> No virus found in this outgoing message. |
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> Checked by "grep -i virus $MESSAGE" |
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> Trust me. |
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> |
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> |
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> |
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|
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-- |
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