[Snort-openappid] Snort with openappid doesn't block android apps

Costas Kleopa (ckleopa) ckleopa at ...5...
Thu Nov 19 11:04:18 EST 2015

Can you also try adding this in your snort command line, so you can access bad checksums and jumbo frames?

 -k none -P 9000


On Nov 19, 2015, at 10:53 AM, Navneet Singh <navneet.singh2012 at ...8...<mailto:navneet.singh2012 at ...8...>> wrote:

Hi All

I am testing snort with openappid on ARM platform. Snort is using nfq as daq mode and i am able to block various sites as per their appid rules in various browsers. But none of the appid that also has its own android application is blocking on the client, however if i browse the same site using browser on the client it is blocking fine. I tried known applications like facebook, youtube, whatsapp but none is able to block.

I use this command
sudo snort -Q --daq nfq --daq-var device=wlan1 --daq-var queue=1 -c /etc/snort/snort.conf -A console

followed by
sudo iptables -t nat -I PREROUTING -j NFQUEUE --queue-num 1
sudo iptables -I FORWARD -j NFQUEUE --queue-num 1
sudo iptables -I INPUT -j NFQUEUE --queue-num 1
sudo iptables -I OUTPUT -j NFQUEUE --queue-num 1
to run snort.

Here wlan1 is in AP mode and other clients are connected to this interface.

I am also attaching snort.conf, local.rules files and logs when i run snort.

Please help me with this issue.


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