TSIG DNS Requests with GSLB Causing Errors
Information
| Summary: |
TSIG DNS requests causing GSLB segfaults |
| Environment: |
Product: LoadMaster Version: 7.2.58 Platform: Any Application: Any |
| Question/Problem Description: |
There was an issue where queries were not being processed from any of the GLSB units. |
| Steps to Reproduce: | Get on firmware 7.2.58 or below On Linux command line Generate a TSIG key tsig-keygen > /tmp/tsig Using dig, query an FQDN passing that key file: dig <fqdn> @<server ip> -k /tmp/tsig |
| Error Message: |
segfault at 78 ip 000000000041ff33 sp 00007fffb5c7d1b0 error 4 in named[400000+2b7000] segfault at 78 ip 000000000048a40d sp 00007ff960525f40 error 4 in named[400000+36b000] |
| Defect Number: | LM-1840 |
| Enhancement Number: | |
| Cause: | TSIG DNS queries were causing segfaults on the LoadMaster. |
| Resolution: | Upgrade firmware to 7.2.59 as this was a confirmed bug, |
| Workaround: | Ensure TSIG requests are not reaching the LoadMaster using GSLB |
| Notes: |