Please post the console output (from start to stop).
Is pfring loaded? If so could you tell how it has been loaded 
(options/transparent mode)?
Yuri
###############################################
Yuri Francalacci   -   [email protected]   -   http://www.ntop.org
"Simplicity is the ultimate sophistication" - Leonardo da Vinci
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> On 31 Oct 2014, at 16:58, Jérôme BERTHIER <[email protected]> wrote:
> 
> Hi,
> 
> I just installed ntopng from stable repo on CentOS 7.
> My server owns several NIC cards :
> em1 is used for adressing the system
> em2 is used to receive a trafic mirroring from my switch which replicates a 
> firewall port.
> 
> redis service is started with default parameters.
> I created a working directory writable for nobody user (for now).
> 
> On first step, I just tried to launch ntopng manually :
> ntopng -i em2 -d /appli/ntopng -m "10.93.0.0/16,192.168.1.0/24" 
> -G=/var/tmp/ntopng.pid -l -v
> 
> WebUI is up on port 3000. I can see that the em2 interface receives trafic as 
> expected and counts hosts.
> However, no analysis occurs. Flows and hosts detail pages just print "No 
> results found".
> 
> I tried a lot of test as specifying every path, use root account... no way to 
> get results.
> 
> I noted two points :
> - if I switched to em1, it works but it's my service interface...
> - the interface em2 does not switched to promiscuous mode.
> - when ntopng is running, I can see network trafic on redis service port
> 
> selinux is not running.
> 
> What did I missed ?
> 
> Regards
> 
> -- 
> Jérôme BERTHIER
> 
> 
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