This should work, also with self-signed certs. Doing this in my Nagios config as well. Whats the check_http command you're launching? What's the error message? <div class="gmail_quote">On Wed, Aug 15, 2012 at 4:15 PM, Masoud Tabrizi <<a href="mailto:masoud.tabrizi@gmail.com" target="_blank">masoud.tabrizi@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">All, We are using version 4.1.13 for the check_http for checking our URLs. it seems like the check_http is not able to get through the self signed certs we have installed; Are there any options or suggestions to get around this? thanks in advance Masoud Tabrizi ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. <a href="http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/" target="_blank">http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div>