http://wiki.nginx.org/index.php?title=HWLoadbalancerCheckErrors&feed=atom&action=history 2013-06-18T21:01:19Z Revision history for this page on the wiki MediaWiki 1.19.0 http://wiki.nginx.org/index.php?title=HWLoadbalancerCheckErrors&diff=89&oldid=prev 2009-03-15T03:44:52Z

<p></p> <p><b>New page</b></p><div>&lt;!-- page was renamed from HW-LoadbalancerCheckErrors<br /> --&gt;<br /> Some Hardware Load-balancers such Cisco's CSS and BigIP Products test the readiness of the backend Machines with '''SYN-ACK-RST'''.<br /> <br /> This behavior causes a 400 error in nginx.<br /> <br /> With the [[NginxHttpGeoModule| GEO Module]] and the '''if-Statement''' you can omit these entries:<br /> <br /> &lt;geshi lang=&quot;nginx&quot;&gt;<br /> http {<br /> geo $lb {<br /> default 0;<br /> 10.1.1.1/32 1; # LB IPs<br /> 10.1.1.2/32 1;<br /> }<br /> <br /> # ...<br /> <br /> server {<br /> # ...<br /> access_log /path/to/log;<br /> error_page 400 /400;<br /> <br /> location = /400 {<br /> if ($lb) {<br /> access_log off;<br /> }<br /> return 400;<br /> }<br /> }<br /> }<br /> &lt;/geshi&gt;</div>

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