A Blog by D.W.

Information Technology & IT Security, My Personal Views, Interesting Projects and Other Musings

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Christian, Husband, Father, Business owner, (Linux) Server Administrator.

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My most popular blog post:
  • An Analysis of an Attacker’s Attempt to Control my Windows Machine

Some Sys Admin blog posts:
  • Monitoring Linux Systems with Nagios
  • Fighting Spam: Block an Entire TLD with Postfix
  • Securely Collecting rsyslog Data onto Synology over TCP with SSL Encryption (from a CentOS Server)

Blog Categories

  • Articles (8)
  • Barred Owl Web (7)
  • Conferences (4)
  • General (30)
  • Uncategorized (13)

Tags

  • Barred Owl Web
  • bipolar disorder
  • CCDA
  • Community Development
  • Food for the Hungry
  • Haiti
  • mental health
  • Microfinance
  • Open Source Software
  • Philippines
  • Relief
  • Security
  • Server Administration
  • Social Justice
  • Social Media
  • TechMission
  • Technology

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Barred Owl Web logoI'm the Founder of Barred Owl Web, a company based in Chattanooga, TN. We provide fully managed web servers and web hosting services.

Recent Blog Posts

  • Increase Awareness, Funding for Mental Health Initiatives October 10, 2020
  • Day on the Hill with NAMI Tennessee February 20, 2020
  • The Legal Fight Not Meant to Be January 25, 2020
  • Analyzing Logs stored in Synology Log Center for Abusive IP Addresses September 15, 2018
  • Securely Collecting rsyslog Data onto Synology over TCP with SSL Encryption (from a CentOS Server) September 8, 2018
  • Should you use a VPN? And other resources August 7, 2018
  • Oppose the Better Care Reconciliation Act June 27, 2017

David WhiteFollow

David White
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MayorTimKellyTim Kelly@MayorTimKelly·
18h

Hamilton Co. is close to the halfway mark, as 48.2% of eligible are now fully vaccinated against COVID-19. Please get any of the 3 vaccines—to keep our local healthcare system accessible & functional, and to protect yourself, your family, & our neighbors who are most vulnerable. https://twitter.com/Chattanooga_gov/status/1440705982447767554

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Retweet on TwitterDavid White Retweeted
catcloChloé (she/her)@catclo·
22 Sep

LAST CALL, #Chattanooga. The deadline for applications to participate in this year's Startup Week CHA Job Fair is TODAY, Sept. 22 at midnight. The app takes 5 minutes to complete. If your organization is hiring, please consider submitting. Here's the form: https://docs.google.com/forms/d/e/1FAIpQLScRnGVVwIzK7RDTrxvlE5oFgGCZWQ8q9M3gGRMaq77xfO7AUw/viewform

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davidmwhiteDavid White@davidmwhite·
21 Sep

After months of troubleshooting, and two different data centers, I've now discovered that @Ubiquiti's VRRP implementation is garbage. A virtual MAC doesn't get generated for the VIP in keeping with the RFC. Instead, the EdgeRouter uses the physical mac. https://datatracker.ietf.org/doc/html/rfc3768#page-19

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