<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  </head>
  <body>
    <p>This is my first time posting here. I hope you can help me.</p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">We have 8
        collector servers running syslog probes. They also run a
        collector application.</span><br style="box-sizing: border-box;
        color: rgb(39, 39, 39); font-family: "IBM Plex Sans",
        "Helvetica Neue", Arial, sans-serif; font-size: 16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; orphans: 2; text-align: start; text-indent: 0px;
        text-transform: none; white-space: normal; widows: 2;
        word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial;">
      <span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">Syslog-ng
        receives all alarms through UDP Ports, filter them, and write a
        fifo. It also forwards these alarms through UDP to another
        server. We are using this another server that receives these
        forwarded messages as a validation point.</span><br
        style="box-sizing: border-box; color: rgb(39, 39, 39);
        font-family: "IBM Plex Sans", "Helvetica
        Neue", Arial, sans-serif; font-size: 16px; font-style:
        normal; font-variant-ligatures: normal; font-variant-caps:
        normal; font-weight: 400; letter-spacing: normal; orphans: 2;
        text-align: start; text-indent: 0px; text-transform: none;
        white-space: normal; widows: 2; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial;">
      <span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">There are
        some filter rules for the pipe delivery, and no filters for UDP
        delivery.</span><br style="box-sizing: border-box; color:
        rgb(39, 39, 39); font-family: "IBM Plex Sans",
        "Helvetica Neue", Arial, sans-serif; font-size: 16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; orphans: 2; text-align: start; text-indent: 0px;
        text-transform: none; white-space: normal; widows: 2;
        word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial;">
      <span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">But we could
        see several not filtered alarms being received at the UDP
        receiver server, but not being received by the collector
        application, that reads from the fifo (</span><span
        style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"><font
          face="Courier New, Courier, monospace">/opt/solution/src1.pipe)</font>.
        Collector logs have no error lines.</span><br style="box-sizing:
        border-box; color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial;">
      <br style="box-sizing: border-box; color: rgb(39, 39, 39);
        font-family: "IBM Plex Sans", "Helvetica
        Neue", Arial, sans-serif; font-size: 16px; font-style:
        normal; font-variant-ligatures: normal; font-variant-caps:
        normal; font-weight: 400; letter-spacing: normal; orphans: 2;
        text-align: start; text-indent: 0px; text-transform: none;
        white-space: normal; widows: 2; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial;">
      <span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">I tried
        rewrititng syslog-ng configuration file, in order to use
        flow-control, that, according to syslog-ng documentation, is
        necessary for high volume environments (as this is the case
        here, 500-1000 alarms per second).</span><br style="box-sizing:
        border-box; color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial;">
      <span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">I applied it
        yesterday, together with net.core.rmem_max=1024000, and the
        scenario got even worst. We noticed missing messages on the UDP
        destination server and on the fifo. Dropped packets counter on
        ifconfig was increasing quickly. We rolled back to the previous
        syslog-ng configuration. <br>
      </span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">Below, you
        will find the first version of the syslog-ng.conf file, without
        flow-control (several names , filters and addresses were changed
        in sake of privacy):</span></p>
    <p><font face="Courier New, Courier, monospace">@version:3.19<br>
        @include "scl.conf"<br>
        <br>
        # syslog-ng configuration file.<br>
        #<br>
        # This should behave pretty much like the original syslog on
        RedHat. But<br>
        # it could be configured a lot smarter.<br>
        #<br>
        # See syslog-ng(8) and syslog-ng.conf(5) for more information.<br>
        #<br>
        # Note: it also sources additional configuration files (*.conf)<br>
        #       located in /etc/syslog-ng/conf.d/<br>
        <br>
        options {<br>
            flush_lines (0);<br>
            time_reopen (10);<br>
            log_fifo_size (1000);<br>
            chain_hostnames (off);<br>
            use_dns (no);<br>
            use_fqdn (no);<br>
            create_dirs (no);<br>
            keep_hostname (yes);<br>
        };<br>
        <br>
        source s_sys {<br>
            system();<br>
            internal();<br>
            # udp(ip(0.0.0.0) port(514));<br>
        };<br>
        <br>
        template t_customer { template("${DATE} ${SOURCEIP} ${HOST}
        ${MSGHDR} ${MESSAGE}\n"); };<br>
        <br>
        # UDP Source<br>
        destination d_cons { file("/dev/console"); };<br>
        destination d_mesg { file("/var/log/messages"); };<br>
        destination d_auth { file("/var/log/secure"); };<br>
        destination d_mail { file("/var/log/maillog" flush_lines(10));
        };<br>
        destination d_spol { file("/var/log/spooler"); };<br>
        destination d_boot { file("/var/log/boot.log"); };<br>
        destination d_cron { file("/var/log/cron"); };<br>
        destination d_kern { file("/var/log/kern"); };<br>
        destination d_mlal { usertty("*"); };<br>
        <br>
        filter f_kernel     { facility(kern); };<br>
        filter f_default    { level(info..emerg) and<br>
                                not (facility(mail)<br>
                                or facility(authpriv)<br>
                                or facility(cron)); };<br>
        filter f_auth       { facility(authpriv); };<br>
        filter f_mail       { facility(mail); };<br>
        filter f_emergency  { level(emerg); };<br>
        filter f_news       { facility(uucp) or<br>
                                (facility(news)<br>
                                and level(crit..emerg)); };<br>
        filter f_boot   { facility(local7); };<br>
        filter f_cron   { facility(cron); };<br>
        <br>
        #log { source(s_sys); filter(f_kernel); destination(d_cons); };<br>
        #log { source(s_sys); filter(f_kernel); destination(d_kern); };<br>
        log { source(s_sys); filter(f_default); destination(d_mesg); };<br>
        log { source(s_sys); filter(f_auth); destination(d_auth); };<br>
        log { source(s_sys); filter(f_mail); destination(d_mail); };<br>
        log { source(s_sys); filter(f_emergency); destination(d_mlal);
        };<br>
        log { source(s_sys); filter(f_news); destination(d_spol); };<br>
        log { source(s_sys); filter(f_boot); destination(d_boot); };<br>
        log { source(s_sys); filter(f_cron); destination(d_cron); };<br>
        <br>
        #Debug<br>
        filter f_debu_1 { not level(debug); };<br>
        <br>
        #Information<br>
        filter f_info_1 { not match("PROGRAM-" value("MESSAGE")) };<br>
        filter f_info_2 { not match("Multicast Client"
        value("MESSAGE")); };<br>
        filter f_info_3 { not match("executeCommand" value("MESSAGE"));
        };<br>
        filter f_info_4 { not match("has the privilege to execute"
        value("MESSAGE")); };<br>
        filter f_info_5 { not match("Telnet " value("MESSAGE")); };<br>
        <br>
        #Warning<br>
        filter f_warn_1 { not match("LSP went Up" value("MESSAGE")); };<br>
        filter f_warn_2 { not match("LSP went Down" value("MESSAGE"));
        };<br>
        filter f_warn_3 { not match("Subscriber created"
        value("MESSAGE")); };<br>
        filter f_warn_4 { not match("Subscriber deleted"
        value("MESSAGE")); };<br>
        filter f_warn_5 { not match("BGP-WARN" value("MESSAGE")); };<br>
        filter f_warn_6 { not match("DHCPS-WARNING" value("MESSAGE"));
        };<br>
        filter f_warn_7 { not match("DHCP-WARNING" value("MESSAGE")); };<br>
        <br>
        #Notice<br>
        filter f_noti_1 { not match("iCDR\[[0-9]+\]:"); };<br>
        <br>
        #Error<br>
        filter f_erro_1 { not match("FAN started working"
        value("MESSAGE")); };<br>
        filter f_erro_2 { not match("FAN is not working"
        value("MESSAGE")); };<br>
        <br>
        #Alert<br>
        filter f_aler_1 { not match("LDP virtual tunnel went"
        value("MESSAGE")); };<br>
        <br>
        #Critical<br>
        filter f_crit_1 { not match("traps dropped" value("MESSAGE"));
        };<br>
        filter f_crit_2 { not match("upstream E1 signals"
        value("MESSAGE")); };<br>
        filter f_crit_3 { not match(",ABCDE," value("MESSAGE")); };<br>
        filter f_crit_4 { not match(",XYZW," value("MESSAGE")); };<br>
        filter f_crit_5 { not match(" for ABCDE-[0-9]"
        value("MESSAGE")); };<br>
        source s_dummy{ udp(ip(0.0.0.0) port(5140)); };<br>
        source src1{ udp(ip(0.0.0.0) port(514)); };<br>
        source s_10514{ udp(ip(0.0.0.0) port(10514)); };<br>
        source src2{ udp(ip(0.0.0.0) port(515)); };<br>
        destination d_src1 { pipe("/opt/solution/src1.pipe"
        template(t_customer)); };<br>
        destination d_src2 { pipe("/opt/solution/src2.pipe"
        template(t_customer)); };<br>
        destination d_syslogCustom{
        pipe("/opt/solution/syslog_custom.pipe" template(t_customer));
        };<br>
        destination d_udp_dst{ syslog("192.168.1.151" transport("udp")
        port(514) spoof_source(no)); };<br>
        filter f_src2 { host("r(core|distribution|management).*") or
        host("^abcd.*") or host("^d2") or host("src2") or host("xyz1")
        or host("^jkl") or host("asddf") or host("zxcvb"); };<br>
        log {<br>
                source(src1);<br>
                source(s_10514);<br>
                filter(f_debu_1);<br>
                filter(f_info_1);<br>
                filter(f_info_2);<br>
                filter(f_info_3);<br>
                filter(f_info_4);<br>
                filter(f_info_5);<br>
                filter(f_warn_1);<br>
                filter(f_warn_2);<br>
                filter(f_warn_3);<br>
                filter(f_warn_4);<br>
                filter(f_warn_5);<br>
                filter(f_warn_6);<br>
                filter(f_warn_7);<br>
                filter(f_noti_1);<br>
                filter(f_erro_1);<br>
                filter(f_erro_2);<br>
                filter(f_aler_1);<br>
                filter(f_crit_1);<br>
                filter(f_crit_2);<br>
                filter(f_crit_3);<br>
                filter(f_crit_4);<br>
                filter(f_crit_5);<br>
                destination(d_src1);<br>
        };<br>
        <br>
        log {<br>
                source(src2);<br>
                filter(f_src2);<br>
                destination(d_src2);<br>
        };<br>
        <br>
        log {<br>
            source(src1);<br>
            destination(d_udp_dst);<br>
        };</font><br>
    </p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">That's all.<br>
      </span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">I Also tried
        using flow-control. The main achanges are below:</span></p>
    <p><font face="Courier New, Courier, monospace"><span style="color:
          rgb(39, 39, 39); font-size: 16px; font-style: normal;
          font-variant-ligatures: normal; font-variant-caps: normal;
          font-weight: 400; letter-spacing: normal; text-align: start;
          text-indent: 0px; text-transform: none; white-space: normal;
          word-spacing: 0px; -webkit-text-stroke-width: 0px;
          background-color: rgb(255, 255, 255);
          text-decoration-thickness: initial; text-decoration-style:
          initial; text-decoration-color: initial; display: inline
          !important; float: none;">source src1{<br>
          #  udp(<br>
            network( #new driver syntax<br>
              transport("udp") #new driver syntax<br>
              ip(0.0.0.0)<br>
              port(514)<br>
              max-connections(3000) <br>
            );<br>
          };<br>
          source s_10514{<br>
          #  udp(<br>
            network( #new driver syntax<br>
              transport("udp") #new driver syntax<br>
              ip(0.0.0.0)<br>
              port(10514)<br>
              max_connections(3000) <br>
            );<br>
          };<br>
          source src2{<br>
          #  udp(<br>
            network( #new driver syntax<br>
              transport("udp") #new driver syntax<br>
              ip(0.0.0.0)<br>
              port(515)<br>
              max_connections(3000)<br>
            );<br>
          };</span></font></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"><font
          face="Courier New, Courier, monospace">destination d_src1 {<br>
            pipe(<br>
              "/opt/solution/src1.pipe"<br>
              template(t_customer)<br>
              log_fifo_size(600000)  <br>
            );<br>
          };<br>
          destination d_src2 {<br>
            pipe(<br>
              "/opt/solution/src2.pipe"<br>
              template(t_customer)<br>
              log_fifo_size(300000)<br>
            );<br>
          };<br>
          destination d_udp_dst{<br>
            syslog(<br>
              "192.168.1.151"<br>
              transport("udp")<br>
              port(514)<br>
              spoof_source(no)<br>
              log_fifo_size(300000) <br>
            );<br>
          };</font><br>
      </span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">And the
        situation got even worst.<br>
      </span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">So, I would
        like to ask you:</span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">How can I fix
        it? I need to be sure that all data received is forwarded to
        their destinations, respecting the filters, and without any
        information loss.<br>
      </span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">I'm quite
        sure all data is being received, I've checked it using tcpdump,
        no udp packet loss during transmission.</span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;">The most
        important sessions are: <br>
      </span></p>
    <p><br>
      <span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"><font
          face="Courier New, Courier, monospace">log {<br>
                  source(src1);<br>
                  source(s_10514);<br>
                  filter(f_debu_1);<br>
                  filter(f_info_1);<br>
                  filter(f_info_2);<br>
                  filter(f_info_3);<br>
                  filter(f_info_4);<br>
                  filter(f_info_5);<br>
                  filter(f_warn_1);<br>
                  filter(f_warn_2);<br>
                  filter(f_warn_3);<br>
                  filter(f_warn_4);<br>
                  filter(f_warn_5);<br>
                  filter(f_warn_6);<br>
                  filter(f_warn_7);<br>
                  filter(f_noti_1);<br>
                  filter(f_erro_1);<br>
                  filter(f_erro_2);<br>
                  filter(f_aler_1);<br>
                  filter(f_crit_1);<br>
                  filter(f_crit_2);<br>
                  filter(f_crit_3);<br>
                  filter(f_crit_4);<br>
                  filter(f_crit_5);<br>
                  destination(d_src1);<br>
          };</font></span></p>
    <p><span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"><font
          face="Courier New, Courier, monospace"><font face="Courier
            New, Courier, monospace">log {<br>
                source(src1);<br>
                destination(d_udp_dst);<br>
            };</font></font></span></p>
    <p class="MsoNormal"
      style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:
      normal"><span style="color: rgb(39, 39, 39); font-family:
        "IBM Plex Sans", "Helvetica Neue", Arial,
        sans-serif; font-size: 16px; font-style: normal;
        font-variant-ligatures: normal; font-variant-caps: normal;
        font-weight: 400; letter-spacing: normal; orphans: 2;
        text-align: start; text-indent: 0px; text-transform: none;
        white-space: normal; widows: 2; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;"></span><span style="color: rgb(39, 39,
        39); font-family: "IBM Plex Sans", "Helvetica
        Neue", Arial, sans-serif; font-size: 16px; font-style:
        normal; font-variant-ligatures: normal; font-variant-caps:
        normal; font-weight: 400; letter-spacing: normal; orphans: 2;
        text-align: start; text-indent: 0px; text-transform: none;
        white-space: normal; widows: 2; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;">Thanks a lot, and sorry for the huge
        message,</span></p>
    <p class="MsoNormal"
      style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:
      normal">Richter<br>
      <span style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"></span><span
        style="color: rgb(39, 39, 39); font-family: "IBM Plex
        Sans", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"></span><a
        href="https://www.linkedin.com/company/icarotech"
        target="_blank"><span
style="font-size:9.5pt;font-family:"Arial",sans-serif;mso-fareast-font-family:
          "Times New
          Roman";color:#1155CC;mso-fareast-language:PT-BR;mso-no-proof:yes;
          text-decoration:none;text-underline:none"><span
            style="mso-ignore:vglayout"></span><!--[endif]--></span></a><span
        style="font-size:
9.5pt;font-family:"Arial",sans-serif;mso-fareast-font-family:"Times
        New Roman"; mso-fareast-language:PT-BR"><o:p></o:p></span></p>
    <div class="moz-signature">
      <table class="MsoNormalTable" style="width:412.5pt;
        mso-cellspacing:1.5pt;border:none;border-top:solid #C8C8C8
        1.0pt;mso-border-top-alt: solid #C8C8C8
        .75pt;mso-yfti-tbllook:1184;mso-padding-alt:7.5pt 7.5pt 7.5pt
        7.5pt" width="0" cellpadding="0" border="1">
        <tbody>
          <tr style="mso-yfti-irow:0;mso-yfti-firstrow:yes">
            <td style="width:315.0pt;border:none;padding:7.5pt 7.5pt
              7.5pt 7.5pt" width="374" valign="top"><br>
            </td>
            <td style="width:112.5pt;border:none;padding:7.5pt 7.5pt
              7.5pt 7.5pt" width="173"> <br>
            </td>
          </tr>
        </tbody>
      </table>
    </div>
  </body>
</html>