Multiple Certs, One VIP: TLS Server Name Indication via iRules
An age old question that we’ve seen time and time again in the iRules forums here on DevCentral is “How can I use iRules to manage multiple SSL certs on one VIP"?”. The answer has always historically...
Updated Aug 28, 2025
Version 2.0
Zero_86762
Nimbostratus
NimbostratusI was getting an error on line 114 and 115, then Kevin Stewart on the iRule forums noticed the problem. The brackets point the wrong way on your iRule posting:
[class match -value ]string tolower $tls_servername[
should be:
[class match -value [string tolower $tls_servername]