[syslog-ng] Invalid frame header; header=''

[jnordwick]

I want the new syslog style messages. I'm writing some Java code to  
send messages to syslog and I need the new format. Is there somewhere  
that the transport protocol is described? It will also be over UDP  
too. TCP was just for a little test.

Thanks
-j


On Oct 14, 2009, at 4:09 AM, Balint Kovacs wrote:

> jnordwick wrote:
>> I can't seem to get syslog-ng to recongnize a syslog message. I used
>> the example message you give in the docs, but all it says is   
>> "Invalid
>> frame header".
>>
>>
>>
>> Here is the error message:
>>
>> Oct 13 14:35:55 logger-01 syslog-ng[29653]: Invalid frame header;
>> header=''
>>
>>
>>
>> here is how I'm sending my test message:
>>
>> echo "<34>1 2003-10-11T22:14:15.003Z mymachine.example.com su -  
>> ID47 -
>> BOM'su root' failed for lonvick on /dev/pts/8" | nc logger-01 20514
>>
>>
>>
>> Here is the config:
>>
>> options {
>>     flush_lines(1);
>> };
>>
>> source src {
>>     internal();
>>     syslog(ip("192.168.27.198") port(20514) transport("tcp"));
>> };
>>
>> destination dest { file("/data/local/logs/sys.log" owner(xl) group
>> (xl)); };
>>
>> log { source(src); destination(dest); };
>>
>>
> Hi,
>
> you are trying to receive IETF syslog protocol (syslog() source
> driver) that uses frames rather than newline to separate the  
> individual
> messages.
>
> At the same time the included nc command line sends legacy BSD syslog
> w/o a frame header (essentially the same as sending with the tcp()
> driver), that's why you are receiving this error from syslog-ng.
>
> If you change the source to tcp(), the problem should go away.
>
> Best Regards,
> Balint
>
> -- 
> Balint Kovacs
> Security Engineer
> balint.kovacs at balabit.com
>
> BalaBit IT Security
> Bártfai str. 54.
> H-1115 Budapest
> Phone +36 1 371 0540
> Fax +36 1 208 0875
>
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