Tom Eastep wrote: > On 5/11/13 4:03 PM, "Dash Four" <[email protected]> wrote: > > >> Tom Eastep wrote: >> >>> On 5/11/13 3:08 PM, "Dash Four" <[email protected]> wrote: >>> >>> >>> >>>> I have a zone (lets call it "net"), which has more than one network >>>> device attached to it (all interfaces within that zone are optional) >>>> and >>>> also have a catch-all statement in my "policy" file "all all DROP", >>>> which, I assumed, will produce a DROP rule at the end of each zone2zone >>>> chain not explicitly defined in that file. >>>> >>>> That is indeed the case for 99% of the zones, but for the net2net chain >>>> I have ACCEPT rule at the end, not DROP. I am certain I do not have any >>>> such rule either in my "rules" or "policy" files, so I am wondering >>>> what >>>> is the cause for this? >>>> >>>> >>> The default intra-zone policy is ACCEPT and that policy is not >>> overridden >>> by a wildcard policy (one with 'all' in the SOURCE and/or DEST). If you >>> want a DROP net->net policy then you must specify it explicitly. >>> >>> >> Is this documented anywhere, because this is quite a hole I was unaware >> of? It seems inconsistent for 'all' to apply to everything else, except >> intra-zone policies (I do have 2 such zones and in both cases I have >> ACCEPT at the end). >> > > man shorewall-policy. And look for "Important" > Yeah, got it, thanks. It would have been nice if I could use "all+ all+ DROP" in "policy" for example, without reverting to this explicit definition malarkey.
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