Thanks, Filippo.

Where is the default defined protocol list in ntopng? I cant change the
port used by my application, may need change the default protocol list.

Your meaning is that this warning is the root cause of my problem? and if I
avoid such warning, this issue can be fixed?

Thanks!

John


2013/12/9 Filippo Fontanelli <[email protected]>

> John,
>
> Within nDPI we have defined some default protocol (port based) and then in
> your case:
>
> if you use the port 5355, nDPI report a warning because you are redefining
> the port 5355 for you protocol but this port is already defined for the
> Link local Multicast Name Resolution (
> http://en.wikipedia.org/wiki/Link-local_Multicast_Name_Resolution).
>
> A simply solution to your problem would be to use a different port.
>
> I'm planning to add to the guide a list of ports that are currently
> defined so as to avoid problems like this
>
> Best Regards,
> Filippo
>
> On 09 Dec 2013, at 10:18, John Zhang <[email protected]> wrote:
>
> Thank you, Filippo.
>
> i did follow the quick start guide you mentioned to add new custom
> protocol, but cant detect new traffic by ntopng and pcapreader.
>
> Here paste my config files and log below, FYI. Hope they are useful.
> 1.ntopng.conf
> cat /etc/ntopng/ntopng.conf
> -r=localhost:6379
> -w=3000
> -m="172.0.0.1/8"
> -G=/var/tmp/ntopng.pid
> -i=eth0
> -i=tcp://0.0.0.0:5556
> -p=/etc/ntopng/custome.protos
>
> 2. protocol file: custome.protos
> cat /etc/ntopng/custome.protos
> # host:"<value>",host:"<value>",.....@<subproto>
> host:"googlesyndacation.com"@Google
> host:"venere.com"@Veneer
> host:"172.20.102.29"@hehe
> # <tcp|udp>:,<tcp|udp>:,.....@
> #tcp:81,tcp:8181@HTTP
> #udp:5061-5062@SIP
> #tcp:860,udp:860,tcp:3260,udp:3260@iSCSI
> tcp:3000@ntop
> udp:5355@T1
> udp:3702@T2
> udp:8612@T3
> tcp:8888@T4
>
> 3. ntopng start up log
> ntopng /etc/ntopng/ntopng.conf
> 08/Dec/2013 11:02:29 [Ntop.cpp:457] Setting local networks to 172.0.0.1/8
> 08/Dec/2013 11:02:29 [AddressResolution.cpp:131] Rule '172.0.0.1'/'8'
> [NDPI] addDefaultPort(): found duplicate for port 5355     # Maybe here?
> 08/Dec/2013 11:02:29 [PF_RINGInterface.cpp:42] Reading packets from
> PF_RING v.5.6.1 interface eth0...
> 08/Dec/2013 11:02:29 [Ntop.cpp:564] Registered interface eth0 [id: 0]
> [NDPI] addDefaultPort(): found duplicate for port 5355     # Maybe here?
> 08/Dec/2013 11:02:29 [Ntop.cpp:564] Registered interface
> [email protected]:5556 [id: 1]
> 08/Dec/2013 11:02:29 [Utils.cpp:238] User changed to nobody
> 08/Dec/2013 11:02:29 [main.cpp:147] PID stored in file /var/tmp/ntopng.pid
> 08/Dec/2013 11:02:29 [HTTPserver.cpp:363] HTTP server listening on port
> 3000 [/usr/local/share/ntopng/httpdocs][/usr/local/share/ntopng/scripts]
> 08/Dec/2013 11:02:29 [main.cpp:179] Using RRD version 1.4.7
> 08/Dec/2013 11:02:29 [main.cpp:188] Working directory: /var/tmp/ntopng
> 08/Dec/2013 11:02:29 [main.cpp:190] Scripts/HTML pages directory:
> /usr/local/share/ntopng
> 08/Dec/2013 11:02:29 [Ntop.cpp:161] Welcome to ntopng x86_64 v.1.1.1
> (r7071) - (C) 1998-13 ntop.org
> 08/Dec/2013 11:02:29 [Redis.cpp:46] Successfully connected to Redis
> localhost:6379
> 08/Dec/2013 11:02:29 [PeriodicActivities.cpp:53] Started periodic
> activities loop...
> 08/Dec/2013 11:02:29 [NetworkInterface.cpp:629] Started packet polling on
> interface eth0...
> 08/Dec/2013 11:02:29 [NetworkInterface.cpp:629] Started packet polling on
> interface [email protected]:5556...
> 08/Dec/2013 11:02:29 [CollectorInterface.cpp:100] Collecting flows...
> 08/Dec/2013 11:02:29 [PeriodicActivities.cpp:91] Starting script
> /usr/local/share/ntopng/scripts/callbacks/second.lua
>
>
> Thanks!
>
> Best regards,
> John
>
> 2013/12/7 Filippo Fontanelli <[email protected]>
>
>> Hi John
>>
>> You can find the nDPI quick start in
>>
>> nDPI/doc/
>>
>> That explain how you can add custom protocol to nDPI.
>>
>>
>> Il giorno 06/dic/2013, alle ore 16:29, John Zhang <[email protected]>
>> ha scritto:
>>
>> Hi everyone,
>>
>>
>> I want to add custom protocol detection to mdpi, I found the below great
>> guide, and followed
>> http://www.ntop.org/ndpi/configuring-ndpi-for-custom-protocol-detection/
>>
>> To add port-based protocol detection, I added the below line to the
>> protocol file:
>>
>> tcp:29000,tcp:29001@MYAP
>>
>>
>> This is correct
>>
>>
>>
>> But ntopng cant detect any traffic of new protocol,and also testing by 
>> pcapReader could not find.
>>
>>
>> Try to use the pcapreader command line with the parameter -p your.protos
>> and the parameter -v 2 to active the verbose mode and check the flow stack
>>
>>
>> Filippo
>>
>> On 06 Dec 2013, at 16:29, John Zhang <[email protected]> wrote:
>>
>> Hi everyone,
>>
>>
>> I want to add custom protocol detection to mdpi, I found the below great
>> guide, and followed
>> http://www.ntop.org/ndpi/configuring-ndpi-for-custom-protocol-detection/
>>
>> To add port-based protocol detection, I added the below line to the
>> protocol file:
>>
>> tcp:29000,tcp:29001@MYAPP
>>
>>
>> But ntopng cant detect any traffic of new protocol,and also testing by 
>> pcapReader could not find.
>>
>>
>>
>>
>> Anything I missed, or made wrong? Please help me.
>>
>>
>>
>>
>> Thank you in advance!
>>
>>
>>
>>
>> Best regards,
>>
>> John
>>
>>
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