Health Check Status is 'WARNING'" 1 6F0101:1 notifier.cpp:111 & "Dynamic categorization error: No service specified to use." 0 500000:1 cerberian_api.cpp:114

Products

• ASG-S500

Issue/Introduction

After an upgrade to 7.3.11.1, an ISG-Proxy appliance experienced a new issue - DNS stopped working.

The health checks stopped to work as well as the DRTR service

  dns.x.x.x.x
    Enabled   Check failed   DOWN
    Last status: DNS lookup failed.
    Successes (total): 2189   (last): Tue, 29 xxx xxxx 16:16:42 GMT   (consecutive): 0
    Failures  (total): 17   (last): Tue, 29 xxx xxxx 16:20:48 GMT   (consecutive): 9   (external): 0
    Last response time: 1 ms   Average response time: 0 ms
    Minimum response time: 1 ms   Maximum response time: 1 ms

health check failure:
xxxx-11-29 16:59:19+01:00CET  "Health Monitor (WARNING): Health Check Status is 'WARNING'"  1 6F0101:1  notifier.cpp:111

DRTR:
xxxx-11-29 17:01:07+01:00CET  "Dynamic categorization error: No service specified to use."  0 500000:1  cerberian_api.cpp:114

For the DNS query, see a redacted output in the snippet below.

Environment

Release : ISG: 2.4.5.1, ISG-Proxy: 7.3.11.1

Cause

Identified software defect, with ID: SG-33622

Resolution

Following this identified bug, R&D has provided the fix in SGOS 7.3.12.1, and later. 

Note: As always, it's recommend to first execute any upgrade in a test environment, certify that all the fixes already received in the version with the identified defect are maintained in fix version/release, before deploying in production.