[syslog-ng] Upper case $HOST
Tim Boyer
tim at denmantire.com
Fri Nov 6 13:05:39 CET 2009
Balazs Scheidler wrote:
> On Wed, 2009-11-04 at 15:05 -0500, Tim Boyer wrote:
>> I'm running syslog-ng 3.03 on a RHEL5 system, sending logs to various files
>> like so:
>>
>> # global log files
>> destination deservers {
>> file("/var/log/$HOST.log" owner(root) group(hobbit) perm(0640));
>> };
>>
>> It's working fine on the Linux boxes. But I'm using Adiscon's EventLog on
>> my Windows machines, and the $HOST name on them are coming up in all caps.
>>
>> [root at buran log]# ls -la /var/log/*.log
>>
>> ...
>> -rw-r----- 1 root hobbit 282 Nov 4 14:37 /var/log/KANTECH.log
>> -rw-r----- 1 root hobbit 535181 Nov 4 14:24 /var/log/PLCDATA.log
>>
>> Where's this $HOST macro get its data from? The DNS entry is lower case;
>> the full computer name on the Windows box is lower case. I don't see where
>> the upper is coming from, unless it's one of those weird Windows-to-Unix
>> translation things.
>>
>> Not a big deal, but a bit of an annoyance. Thanks for any help.
>>
>
> I guess the client is sending the hostname in all caps, you can confirm
> it with tcpdump.
>
> You can force lowercase hostnames using the option:
>
> normalize-hostnames(yes)
>
Balazs -
Looks like I spoke too soon. Something odd is happening.
I put the option into the conf file:
@version: 3.0
#
# global options
#
options {
normalize_hostnames(yes);
use_fqdn(no);
use_dns(yes);
dns_cache(yes);
keep_hostname(yes);
long_hostnames(off);
create_dirs(yes);
}
and restarted last night. I deleted all of the upper-case log files.
One worked - I've got this file:
-rw-r----- 1 root hobbit 4048 Nov 6 06:13 plcdata.log
but I've also got this from the same machine:
-rw-r----- 1 root hobbit 4395 Nov 6 06:51 PLCDATA.log
and this one hasn't changed at all:
-rw-r----- 1 root hobbit 36847 Nov 6 06:56 Antivirus-2008.log
--
-- tim --
Tim Boyer
Denman Tire Corporation
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