Hi,

Please see below.

On 03/02/2017 09:54 PM, Espresso Beanies wrote:
Emanuele,

Thanks for the response. I didn't realize there was a pfring service installed from the ntop repo package as well. I'm running into an issue with pfring during the compilation of Bro IDS. Bro runs into a libpcap compile issue even if I specify the path to: /usr/local/lib to use libpcap.so.1 v1.7.4. If I remove the pf_ring package installed from the ntop repos, the issue goes away completely. Any ideas there?
Can you past here the compilation error you get with Bro IDS while linking againts PF_RING libpcap?

I also see that after I install pfring from the repos, I encounter these errors in the pf_ring.service:

● pf_ring.service - LSB: Start/stop pf_ring
   Loaded: loaded (/etc/rc.d/init.d/pf_ring; bad; vendor preset: disabled)
   Active: active (exited) since Fri 2017-02-24 17:25:16 EST; 5 days ago
     Docs: man:systemd-sysv-generator(8)
Process: 2322 ExecStart=/etc/rc.d/init.d/pf_ring start (code=exited, status=0/SUCCESS)

Feb 24 17:25:16 <machine_hostname> pf_ring[2320]: Starting PF_RING module: cat: /etc/pf_ring/pf_ring.conf: No such file or directory Feb 24 17:25:16 <machine_hostname> pf_ring[2320]: modprobe: FATAL: Module pf_ring not found. Feb 24 17:25:16 <machine_hostname> pf_ring[2320]: PF_RING not enabled: please touch /etc/pf_ring/pf_ring.start
Feb 24 17:25:16 <machine_hostname> pf_ring[2320]: [  OK  ]

I couldn't locate any pf_ring.start example file so I'm not sure what parameters would go there.
You can just create an empty pf_ring.start file since it only matters it exists.

Thanks for the assist!
Regards,
Emanuele


On Thu, Mar 2, 2017 at 6:00 AM, <[email protected] <mailto:[email protected]>> wrote:

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    Today's Topics:

       1. Question on using pf_ring from ntop CentOS repo (Espresso
    Beanies)
       2. Second question on pfring libpcap.so.1 file (Espresso Beanies)
       3. Re: Question on using pf_ring from ntop CentOS repo
          (Emanuele Faranda)
       4. Re: Second question on pfring libpcap.so.1 file (Emanuele
    Faranda)


    ----------------------------------------------------------------------

    Message: 1
    Date: Wed, 1 Mar 2017 14:17:00 -0500
    From: Espresso Beanies <[email protected]
    <mailto:[email protected]>>
    To: [email protected]
    <mailto:[email protected]>
    Subject: [Ntop-misc] Question on using pf_ring from ntop CentOS repo
    Message-ID:
<CAOeD168+fO+9g-LJZnXXSZtyqTfSe9JxuaLPbe9Bk+nvCMS7=w...@mail.gmail.com
    <mailto:[email protected]>>
    Content-Type: text/plain; charset="utf-8"

    Hi,

    I added the ntop repo to my CentOS 7 machine and installed the pfring
    package. I ran into an issue where I realized that although I
    installed the
    package, it did not compile and load the pfring module needed by
    my system
    (pf_ring.ko). Under the /usr/src directory, I was able to compile
    and add
    it to modprobe. Do I have to do this every time there's an update
    to the
    pfring package and how would I make this module persistent across
    reboots?

    Thanks in advance,
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    ------------------------------

    Message: 2
    Date: Wed, 1 Mar 2017 14:20:33 -0500
    From: Espresso Beanies <[email protected]
    <mailto:[email protected]>>
    To: [email protected]
    <mailto:[email protected]>
    Subject: [Ntop-misc] Second question on pfring libpcap.so.1 file
    Message-ID:
<caoed16-yt5mfyiduqngv+exvlahp7goyt3tqb5kkpoboqjf...@mail.gmail.com
    
<mailto:caoed16-yt5mfyiduqngv%[email protected]>>
    Content-Type: text/plain; charset="utf-8"

    Hi,

    I sent that other message prematurely. Just one other question.
    Even after
    I installed the pf_ring package from the ntop.org
    <http://ntop.org> CentOS repo, I'm not
    seeing a separate libpcap.so.1 file exclusive to pfring. Does one get
    created automatically? I'm trying to set up pfring with Bro IDS.

    Thanks in advance!
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    ------------------------------

    Message: 3
    Date: Thu, 2 Mar 2017 10:49:16 +0100
    From: Emanuele Faranda <[email protected] <mailto:[email protected]>>
    To: [email protected]
    <mailto:[email protected]>
    Subject: Re: [Ntop-misc] Question on using pf_ring from ntop CentOS
            repo
    Message-ID: <[email protected]
    <mailto:[email protected]>>
    Content-Type: text/plain; charset="windows-1252"; Format="flowed"

    Hi,

    You don't need to manually compile the module. It will be
    automatically
    rebuilt from /usr/src by DKMS when needed. Starting ntopng with
    "service
    ntopng start" command will start PF_RING too.

    Regards,
    Emanuele


    On 03/01/2017 08:17 PM, Espresso Beanies wrote:
    > Hi,
    >
    > I added the ntop repo to my CentOS 7 machine and installed the
    pfring
    > package. I ran into an issue where I realized that although I
    > installed the package, it did not compile and load the pfring module
    > needed by my system (pf_ring.ko). Under the /usr/src directory,
    I was
    > able to compile and add it to modprobe. Do I have to do this every
    > time there's an update to the pfring package and how would I
    make this
    > module persistent across reboots?
    >
    > Thanks in advance,
    >
    >
    > _______________________________________________
    > Ntop-misc mailing list
    > [email protected]
    <mailto:[email protected]>
    > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
    <http://listgateway.unipi.it/mailman/listinfo/ntop-misc>

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    ------------------------------

    Message: 4
    Date: Thu, 2 Mar 2017 10:58:48 +0100
    From: Emanuele Faranda <[email protected] <mailto:[email protected]>>
    To: [email protected]
    <mailto:[email protected]>
    Subject: Re: [Ntop-misc] Second question on pfring libpcap.so.1 file
    Message-ID: <[email protected]
    <mailto:[email protected]>>
    Content-Type: text/plain; charset="windows-1252"; Format="flowed"

    Hi,

    In the Centos 7 release of PF_RING the libpcap library is located at
    these paths:

    /usr/local/lib/libpcap.so.1

    /usr/local/lib/libpcap.a

    Regards,
    Emanuele


    On 03/01/2017 08:20 PM, Espresso Beanies wrote:
    > Hi,
    >
    > I sent that other message prematurely. Just one other question. Even
    > after I installed the pf_ring package from the ntop.org
    <http://ntop.org>
    > <http://ntop.org> CentOS repo, I'm not seeing a separate
    libpcap.so.1
    > file exclusive to pfring. Does one get created automatically? I'm
    > trying to set up pfring with Bro IDS.
    >
    > Thanks in advance!
    >
    >
    > _______________________________________________
    > Ntop-misc mailing list
    > [email protected]
    <mailto:[email protected]>
    > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
    <http://listgateway.unipi.it/mailman/listinfo/ntop-misc>

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