DNS ?  What if you used the IP address as a test?
Is Jasper-MLX-Security what is being set in the HOST header ? 


On Tue, Jun 27, 2017 at 2:23 PM, PENLAND,MATTHEW & DANA <matt@etcmail.com> wrote:
I have several systems that are sending there log files to syslog-ng, without issue. I having an issue getting syslog-ng to work with logs from our Brocade MLX’s. I run wireshark on the syslog server and see the file hit it. However, syslog-ng does not put it in its folder or any where else.


Sections of the config file relevant to the Brocade.

destination d_bro { file("/home/hosts/brocade/$YEAR$MONTH$DAY-$HOST.log"); };


#####################
# BROCADE
#####################

filter f_bro  { not level(debug) and (
                  host( "BROCADE-BG-MLX" ) or
                  host( "BROCADE-BG-FESX" ) or
                  host( "BROCADE-BR-MLX" ) or
                  host( "BROCADE-DUCK-FESX" ) or
                  host( "BROCADE-ELJY-MLX" ) or
                  host( "BROCADE-JSPR-MLX" ) or
                  host( "BROCADE-STUDIO-FESX" ));};

log { source(s_net); filter(f_bro); destination(d_bro); };


Wireshark on the server - Capture.PNG


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