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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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The other alternative is to have a 2-stage iptables |
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initialisation. The first stage being run and setting the INPUT and |
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FORWARD table policies to DROP (and it may also be necessary to set |
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some rules to all the lo interface, I am not sure). The second stage |
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being run after the network interfaces are configured and setting the |
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actual rules. |
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-- |
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gentoo-security@g.o mailing list |
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