Protecting against log4j with AVI Networks WAF

Introduction Log4j is a popular Java library developed and maintained by the Apache foundation. The library is widely adopted and used in many commercial and open-source software products as a logging framework for Java. The vulnerability (CVE-2021-44228) is critical, as it can be exploited from remote by an unauthenticated adversary to execute arbitrary code (remote

Ansible in NSX-T and NSX-ALB: Using collections

Introduction A couple of days ago, I noticed VMware is changing Ansible roles to collections.Collections are a distribution format for Ansible content that can include playbooks, roles, modules, and plugins.This distribution is performed by Ansible Galaxy, which is a place from where you can install or get other developer’s shared content.This is a great thing.

VCIX-NV exam

First of all, the exam was much fun. More fun then answering a, b, c I did my exam at global knowledge in Amsterdam. The latency was really acceptable, it was not worse then labs.hol.vmware.com. Monitor resolution is just fine. It is not 1920×1080 of course, but it just fine. The web client crashes allot.

Linux filesystem becomes read-only in some cases

It has to do with: mptscsi adds DID_BUS_BUSY host status when scsi status of BUSY is returned Short description: When the SCSI I/O command is returned to the Linux SCSI midlayer with a host status of DID_BUS_BUSY, the command will be retried five times and then if the target continues to return a status of

A new day with a new problem…

Today one of the SAN’s thought it was vacation. A nice error showing there was something wrong ‘vmware Failing I/O due to too many reservation conflicts’ Reading through http://kb.vmware.com/kb/1005009… Checked the volume on the console and could not even enter the directory. Management of the SAN was also unreachable. Rebooted the SAN.