Re: [Non-DoD Source] Re: Kafka plugin causes logger to segfault

"[email protected]" <[email protected]>
Newsgroups gmane.comp.security.detection.bro
Message-ID <CAM1mTCriKYwDqZM1W6EAWYzJK_HrQspmyZyOvYZy+gxsd4nfxw@mail.gmail.com>
Are you able to turn debug on[1] and share the details?  If you need to
bring this off list for sensitivity reasons feel free to contact me
directly.

1:
https://github.com/apache/metron-bro-plugin-kafka/blob/master/README.md#debug

Jon Zeolla

On Tue, Apr 23, 2019, 4:18 PM Weasel, Gary W CIV DISA RE (US) <
[email protected]> wrote:

> That was a typo when copying over into the email.  It's a colon in the
> actual config.
>
> I'm running bro 2.6.1.
>
> It turns out there was something wrong with the Kafka pipeline, and after
> we resolved those issues, the logger stopped crashing with the confluent
> version of librdkafka, but still crashes immediately with the regular
> version (the version prescribed by zeek packages).
>
> v/r
> Gary
>
> -----Original Message-----
> From: [email protected] <[email protected]>
> Sent: Tuesday, April 23, 2019 3:28 PM
> To: Patrick Cain <[email protected]>
> Cc: Weasel, Gary W CIV DISA RE (US) <[email protected]>;
> [email protected]
> Subject: [Non-DoD Source] Re: [Zeek] Kafka plugin causes logger to segfault
>
> All active links contained in this email were disabled. Please verify the
> identity of the sender, and confirm the authenticity of all links contained
> within the message prior to copying and pasting the address to a Web
> browser.
>
>
> ________________________________
>
>
>
> 172.16.0.40.9092 doesn't appear to be an IP address to me.  Did you mean
> 172.16.0.40:9092 < Caution-http://172.16.0.40:9092 > ?
>
>
> - Jon Zeolla
> [email protected]
>
>
> On Tue, Apr 23, 2019 at 3:16 PM Patrick Cain <[email protected] <
> Caution-mailto:[email protected] > > wrote:
>
>
>         Hi,
>
>         You don't say what version you're running, but with 2.5 and 2.6 I
> use these
>         lines along with the kafka config:
>
>         ### JSON LOGGING
>         @load tuning/json-logs
>         # Set the log separator
>         redef Log::default_scope_sep = "_";
>         # Set the time in iso format
>         redef LogAscii::json_timestamps = JSON::TS_ISO8601;
>
>         Your kafka config looks close to mine (I leave the topic_name
> field blank.)
>         My kafka emitter has been running on Centos 6, Centos 7 and RHEL7
> systems
>         for about a year.
>         Can you manually connect to your broker from the zeek box?  I have
> had
>         issues in the past when the logger was happy but other things in
> the pipe to
>         zookeeper and kafka were unhappy.
>
>         Pat
>         -----Original Message-----
>         From: [email protected] < Caution-mailto:[email protected]
> >  <[email protected] < Caution-mailto:[email protected] > > On
> Behalf Of Weasel,
>         Gary W CIV DISA RE (US)
>         Sent: Monday, April 22, 2019 11:10 AM
>         To: '[email protected] < Caution-mailto:[email protected] > ' <
> [email protected] < Caution-mailto:[email protected] > >
>         Subject: [Zeek] Kafka plugin causes logger to segfault
>
>         All,
>
>         I'm currently at my wits end dealing with the Kafka plugin, I'm
> having great
>         difficulty stopping it from crashing.
>
>         When I use the library of librdkafka as prescribed from
>         Caution-
> https://packages.zeek.org/packages/view/7388aa77-4fb7-11e8-88be-0a645a3f3086
>         (librdkafka-0.11.5 < Caution-
> https://packages.zeek.org/packages/view/7388aa77-4fb7-11e8-88be-0a645a3f3086(librdkafka-0.11.5
> > ), my logger crashes immediately after startup.  When
>         using an alternative version of librdkafka
>         (librdkakfa1-0.11.4_confluent4.1.3) the logger doesn't immediately
> crash but
>         within a minute of starting it usually does.
>
>         The stderr.log says the same every time, /run-bro: line 110: <pid>
>         Segmentation fault   nohup "$mybro" "$@"
>
>         I have downloaded the most recent version of
>         Caution-https://github.com/apache/metron-bro-plugin-kafka <
> Caution-https://github.com/apache/metron-bro-plugin-kafka >  and still
> experience this.
>
>         I am building an RPM (running CentOS) for the Kafka plugin and
> installing
>         that way, since the box is offline and unable to reach
> bro-packages.  When I
>         tried to use librdkafka-0.11.5 I've also built an RPM for that.
>
>         The following is my only added configuration
>
>         @load Apache/Kafka/logs-to-kafka.bro
>         redef Kafka::logs_to_send = set(Conn::LOG); redef
> Kafka::kafka_conf = table(
>                 ["metadata.broker.list"] = "172.16.0.40.9092"
>         );
>         redef Kafka::topic_name = "bro";
>         redef Kafka::tag_json = T;
>
>         The interesting thing to note: the logger does not crash if no
> logs are
>         being sent (i.e. I comment out the logs_to_send line).
>
>         The only other plugins I'm running are Bro::AF_Packet and
>         Corelight::CommunityID.
>
>         Anyone have any insight or doing something different?
>
>         v/r
>         Gary
>
>
>         _______________________________________________
>         Zeek mailing list
>         [email protected] < Caution-mailto:[email protected] >
>         Caution-http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/zeek <
> Caution-http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/zeek >
>
>         _______________________________________________
>         Zeek mailing list
>         [email protected] < Caution-mailto:[email protected] >
>         Caution-http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/zeek <
> Caution-http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/zeek >
>
>
>

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