[syslog-ng] Relay log message through Application LoadBalancer

Scheidler, Bal√°zs balazs.scheidler at oneidentity.com
Sat Feb 23 18:23:14 UTC 2019


Hi,

syslog-ng  (at least recent versions) do have a http() destination, but
then the other side should be a webserver, so if you plan to run something
like syslog-ng on the backends that will not work.

On Sat, Feb 23, 2019 at 1:38 AM Ronald Fenner <rfenner at gamecircus.com>
wrote:

> I'm using Amazon's Application Load Balancer. It only has options for
> listens of Http/Https. There is no option for a TCP listener.
> If It had the option for a TCP listener it would probably work.
>
> Since I only have the option for HTTP I need to wrap the relayed log with
> a HTTP Packet so the Application Load Balancer can recognize and route it.
>
>
> Ronald Fenner
> Network Architect
> Game Circus LLC.
>
> rfenner at gamecircus.com
>
> On Feb 22, 2019, at 6:07 PM, Scot <scotrn at gmail.com> wrote:
>
> Doing the same through NetScaler no issues TLS in front TCP/514 in back.
> What SLB are you using ?
>
> On Fri, Feb 22, 2019 at 1:06 PM Ronald Fenner <rfenner at gamecircus.com>
> wrote:
>
>> I'm trying to figure out how to relay a message through an AWS
>> Application Load Balancer.
>> I have the config setup to relay the message with:
>> destination d_kafka_unstructured {
>>     network(
>> "<dns-name>" port(9082)
>>     );};
>>
>> Look at the tcpdump log I can see that the message is relayed but the ALB
>> doesn't know how to handle it and responds with 400 sinceing the message
>> isn't a HTTP Request.
>>
>> What would be the best way to wrap the message in a http like request
>> that the ALB will understand. Is there an easy way to just tell syslog-ng
>> to relay the message as HTTP or would I need to write something to
>> add/strip the HTTP wrapper.
>>
>>
>> Ronald Fenner
>> Network Architect
>> Game Circus LLC.
>>
>> rfenner at gamecircus.com
>>
>>
>> ______________________________________________________________________________
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>> Documentation:
>> http://www.balabit.com/support/documentation/?product=syslog-ng
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>>
>>
> ______________________________________________________________________________
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> Documentation:
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> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
>
>
> ______________________________________________________________________________
> 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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