Re: [Ntop-dev] New/Updated L7 netfilter option - nDPI

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On 11/2/2012 2:38 PM, Lutfi ODUNCUOGLU wrote:
Hello,

I compiled nDPI-nefilter patch and it works fine. What I want is to
shape the p2p traffic in my network. For this purpose i just implemented
the nDPI-netfilter patch as two different ways for testing

  iptables -t mangle -A POSTROUTING -o XXX -m ndpi --bittorrent -j
CONNMARK --set-mark 1


iptables -t mangle -A POSTROUTING -m connmark --mark 1  -j CLASSIFY
--set-class 0001:0010

or

iptables -t mangle -A POSTROUTING -m ndpi --bittorrent  -j CLASSIFY
--set-class 0001:0010


So which one is more suitable for use? I don't know if this patch
inspects connections (marks connection) or every single packet (marks
every single) for a match.


Regards,

Lutfi
Hey Lutfi,

it seems to me that the set-mark is used more then classify and from ndpi point of view it's better then restoring marks etc since ndpi stores the connection status.

Regards,
Eliezer

--
Eliezer Croitoru
https://www1.ngtech.co.il
IT consulting for Nonprofit organizations
eliezer <at> ngtech.co.il
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