The LB application rule with the SNI keyword inside fails in NSX for vSphere 6.4.6

Products

• VMware NSX

Issue/Introduction

Symptoms:
During an upgrade to NSX for vSphere 6.4.6 with an sni related rule or when you are creating or configuring a new sni related rule in this version, you experience these symptoms:

• The upgrade fails.
• The creation or the configuration of the related rule fails.

Environment

VMware NSX for vSphere 6.4.x

Cause

This issue occurs because the sni rule with the keywords: req_ssl_sni, req.ssl_sni, ssl_fc_sni, ssl_fc_has_sni, are broken in NSX for vSphere 6.4.6.

The regular expression used to support LB application rule sni expression in 6.4.6, is not strict enough.

Resolution

This issue is resolved in VMware NSX Data Center for vSphere 6.4.7, available at VMware Downloads .

Workaround:
To work around this issue:

1. Log in to the NSX Edge as root.
2. Change the line 879 in /opt/vmware/vshield/Plugins/features/lb/lb.pm as:
    
   879 @indexes = grep { $script->[$_] =~ /^sni +.+/ } 0..$#$script;