Re: Probably bug in netfilter hashlimit extension

2015-05-11 Thread Cong Wang
(Cc'ing netdev and netfilter-devel) On Mon, May 11, 2015 at 2:29 AM, Klaus Ethgen wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > Recently I tried to mitigate some slow attacks via netfilter rule > utilizing hashlimit target. I used the following specification: > >-A DETECT_INV

Probably bug in netfilter hashlimit extension

2015-05-11 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Recently I tried to mitigate some slow attacks via netfilter rule utilizing hashlimit target. I used the following specification: -A DETECT_INVALID -m hashlimit --hashlimit-upto 10/hour --hashlimit-mode srcip --hashlimit-name attack_invalid -j R