<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Good morning Fabio,</div><div><br data-mce-bogus="1"></div><div>as stated here [1], X-Forwaded-For can pass multiple IPs. Including the IP of the Netscaler should add another IP to the list.. </div><div><br data-mce-bogus="1"></div><div>cya,</div><div>Brando B.</div><div><br data-mce-bogus="1"></div><div>[1] - <a href="https://en.wikipedia.org/wiki/X-Forwarded-For" data-mce-href="https://en.wikipedia.org/wiki/X-Forwarded-For">https://en.wikipedia.org/wiki/X-Forwarded-For</a></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>Da: </b>"Fabio S. Schmidt" <fabio@bktech.com.br><br><b>A: </b>"users" <users@lists.zetalliance.org><br><b>Inviato: </b>Venerdì, 24 maggio 2019 15:25:13<br><b>Oggetto: </b>[Users] Did anyone have any issue with some balancer in front of Zimbra?<br></blockquote></div><div data-marker="__QUOTED_TEXT__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hello guys,</div><br><div>Our customers always use a balancer in front of Zimbra to balance the load and implement H.A. at least for the proxy servers. </div><br><div>A particular customer use Netscaler and we have noticed that it is displaying both the IPs (client and the balancer) on our logs:</div><br><div>;mid=231<strong>;oip=10.32.90.33, 172.16.5.1</strong><br></div><div><strong><br></strong></div><div>These logs are being displayed on zmmailboxd.out:</div><br><div>Ignoring malformed remote address 10.32.90.33, 172.16.5.1<br></div><br><div>Maybe should we include the Netscaler IP on the Zimbra trusted IP parameter?</div><br><div>Best regards.</div><div>Fabio S. Schmidt</div></div><br></blockquote></div></div></body></html>