The netmask() filter won't work for me because I have forwarding devices between the originating devices and the syslog-ng server.
[9000 originating devices] -> [F5 load balancer] -> [8 kiwi syslog servers] -> [1 syslog-ng server]
-> [4 RSA Envision collectors]
netmask() sees the eight kiwi servers, not the originating device. I need to distribute the 9000 originating devices across the four RSA devices, so the only way I can see to do that is with a match(IP regex).
Thanks,
Phil
Robert Fekete ---10/30/2009 06:21:16 AM---Hi, I don't know much about regexps, but couldn't you cover this with the netmask()
From: |
Robert Fekete <frobert@balabit.com> |
To: |
Syslog-ng users' and developers' mailing list <syslog-ng@lists.balabit.hu> |
Date: |
10/30/2009 06:21 AM |
Subject: |
Re: [syslog-ng] problem with matching IP address and \d regex operand |
Hi,
I don't know much about regexps, but couldn't you cover this with the netmask()
filter?
Regards,
Robert
Phil.Newlon@wendysarbys.com wrote:
>
> I am using this regular expression with Kiwi Syslog to distribute messages
> to several destinations based on the last number of the third octet (0-4
> goes one place, 5-9 goes another).
>
> "10\.\d+\.\d*[0-4]\."
>
> This doesn't work with syslog-ng, of course, but based on my research of
> the archives, this should do the same thing because I've escaped the "\d"
>
> match("10\.\\d+\.\\d*[0-4]\.")
>
> Nope, I get nothing. I've shortened it to just
>
> match("10\.\\d+")
>
> and still get no matching messages.
>
> This sort of works, but gives some unexpected results:
>
> match("10\.[0-9]+\.[0-9]*[0-4]\.")
>
> The match("10\.[0-9]+\.[0-9]*[0-4]\.") statement resulted in 'true' on this
> log message. I didn't expect a match on 10.87.48.4 from it because of the
> '8' as the last number of the third octet not matching '0-4'
>
> Oct 29 16:31:20 10.87.48.4 Kiwi_Syslog_Daemon Oct 29 16:31:20 10.87.48.4
> MSWinEventLog 0 Security 71000 Thu Oct 29 16:31:17 2009
> 538 Security pos User Success Audit POS0408748
> Logon/Logoff User Logoff: User Name: pos Domain:
> POS0408748 Logon ID: (0x0,0x4ACB69) Logon Type: 3 42921033
>
>
>
> So, I have two questions.....
>
> What's wrong with this:
>
> match("10\.\\d+\.\\d*[0-4]\.")
>
> And why did this
> match("10\.[0-9]+\.[0-9]*[0-4]\.")
> match this
> Oct 29 16:31:20 10.87.48.4 Kiwi_Syslog_Daemon Oct 29 16:31:20
> 10.87.48.4 MSWinEventLog 0 Security 71000 Thu Oct 29
> 16:31:17 2009 538 Security pos User Success Audit
> POS0408748 Logon/Logoff User Logoff: User Name: pos
> Domain: POS0408748 Logon ID: (0x0,0x4ACB69) Logon Type: 3
> 42921033
>
> Thanks!
>
> Phil
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