[syslog-ng] netcat tests

Eric Benoit eric.r.benoit at gmail.com
Wed Jun 6 09:49:01 UTC 2018


Thank you.  It does look like it is listening:
udp        0      0 0.0.0.0:514             0.0.0.0:*
     root       2472217    57/syslog-ng

Looks like I have to go back to iptables again.







On Wed, Jun 6, 2018 at 5:27 AM, Scheidler, Bal√°zs <
balazs.scheidler at balabit.com> wrote:

> It can potentially misparse some if the fields but the intended operation
> if syslog-ng is that if it receives a message it will do its best to
> deliver one as well.
>
> You should probably check firewall settings, that might be blocking
> packets, and also make sure syslog-ng is actually listening on port 514.
>
> On Jun 6, 2018 10:24, "Eric Benoit" <eric.r.benoit at gmail.com> wrote:
>
>> Hi List,
>>
>> I wanted to send a test message to my syslog-ng server.
>>
>> I tried this:
>>
>> > echo -n "test message" | nc -4u -w1 192.168.100.10 514
>>
>> But I saw no logs created on the syslog-ng server.
>>
>> I did see the udp package on wireshark.
>>
>> Will syslog-ng except my test message the way I have it formatted and log
>> it, does my message need to be formatted in a specific way for syslog-ng to
>> except and create a log?
>>
>> Also, should I change syslog-ng to TCP instead of UDP to better trouble
>> shoot any network problems I might have pending my netcat test message
>> looks ok for syslog-ng server to except and log?
>>
>> I'm not very good at articulating questions, so I hope what I wrote makes
>> sense if it does not please let me know and I will spend some more time
>> rephrasing my questions.
>>
>> Thank you for any suggestions or comments
>>
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>>
>>
>>
> ____________________________________________________________
> __________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation: http://www.balabit.com/support/documentation/?
> product=syslog-ng
> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
>
>
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