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Date: Tue, 1 Aug 2017 17:33:05 +0000
From: Mikhail Utin <>
To: "" <>
Subject: Re: Syslog forwarding with IP spoofing


Indeed, it is our of this list topic.

Options for The Alexander:

  1.  Normal SIEM will work with syslog as it is widely supported format and will know where the log comes from by data source configuration.
  2.  The "open source tool" is Perl, you can create any log format from any data sources and then send to SIEM.
  3.  Talk to SIEM tech support. Good vendor will advise. If you do not have SIEM, buy LogRhythm. That should work. Freeware OSSIM I would bet will work with syslog as well.
  4.  Alexander can email me for details.

Mikhail Utin, CISSP

From: Solar Designer <>
Sent: Tuesday, August 1, 2017 13:06
To: Александр Носарев
Subject: Re: [oss-security] Syslog forwarding with IP spoofing

Hi all,

On Tue, Aug 01, 2017 at 05:27:26PM +0300, Александр Носарев wrote:
> I need to recive syslog messages, filter them and send them forward to the
> Also HOST field is not represented in syslog, so i need to spoof IP of
> forwarding
> packets to bind messages recived by SIEM to it's original source IP.
> If i will try to add some marks to syslog message, I will need to override
> parsers for each syslog source type, so it seems like abad idea.
> Is there any open source tool for that task?

Somehow we almost didn't have this sort of messages - someone seeking an
open source security tool - sent in here so far.  Do we want them in
here going forward?  The current list content guidelines do not address
this possibility, as it certainly wasn't the purpose of the oss-security
list so far.  Is there another mailing list where the above message
would have been more appropriate?
mailing-lists:oss-security [OSS-Security]<>
The purpose of the Open Source Security (oss-security) group is to encourage public discussion of security flaws, concepts, and practices in the Open Source community.

Meanwhile, please feel free to address the actual question about the
tool.  (I don't know of such a tool.)


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