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<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">We are a syslog-ng configuration with multiple destinations :
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">source s_remote_udp {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> udp(ip(0.0.0.0) port(514));<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">};<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">source s_remote_tcp {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> tcp(ip(0.0.0.0) port(514) max-connections(1000) so_keepalive(yes));<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">};<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal">destination d_SIEM_ { udp("10.0.1.145" port(514)); };<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">destination d_BOX_ { file("/var/log/box/FLOW_$R_MONTH$R_DAY$R_HOUR$R_MIN.log" create_dirs(yes) dir_perm(0755) dir_owner(root) dir_group(root) owner(root) group(root)); };<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">filter f_SIEM_ { match("FLOW:"); };<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">log { source(s_remote_udp); source(s_remote_tcp); filter(f_SIEM_); destination(d_BOX_); destination(d_SIEM_);flags(flow-control,final); };<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">We can see kind of errors :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">/var/log/syslog-ng.log : Aug 4 23:34:39 host1 syslog-ng[16290]: I/O error occurred while reading; fd='32', error='Connection reset by peer (104)'<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">We lose some logs. We have a syslog-ng version 3.2.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Can you help please please ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">How can I diagnose the problem? How do I get to the root of the problem? Maybe debugging syslog-ng?</span><span lang="EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thanks in advance.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Best regards. Sebastian.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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