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  • Categories Network Engineering Resources

Cisco patches firewall bug

  • Post author j2sw
  • Post date February 3, 2020

The vulnerability is caused by a glitch in the way Cisco’s software handles Lightweight Directory Access Protocol (LDAP) authentication

  • Categories Technology & Industry Commentary

J2 Podcast is on TuneIN

  • Post author j2sw
  • Post date February 3, 2020

Some great news for the j2 podcast can now be heard on TuneIN. Head over to https://tunein.com/podcasts/Technology-Podcasts/J2-Podcast-p1285217/

  • Categories Packets Down Newsletter

Avast Anti-Virus grabs your info too

  • Post author j2sw
  • Post date February 2, 2020

https://thehustle.co/01282020-anti-virus-avast-data/

  • Categories Internet Architecture

Benefits of a carrier neutral data center?

  • Post author j2sw
  • Post date February 1, 2020

A carrier-neutral data center, also called a carrier hotel, is a data center facility that is entirely independent of network providers.

  • Categories Network Operations

Interesting Network Monitoring tool

  • Post author j2sw
  • Post date February 1, 2020

NAV (Network Administration Visualized) is a free software program to monitor networks

  • Categories Internet Architecture Network Operations

NLOG ring for network operators

  • Post author j2sw
  • Post date January 30, 2020

From their web-site To encourage and provide a streamlined way of cooperating I introduce the “NLNOG RING”. In essence the deal is very simple: you make a (virtual) machine available to the RING, and you gain access on all servers which are …

  • Categories Network Operations

My Mum 2019 BGP presentation

  • Post author j2sw
  • Post date January 30, 2020

In this presentation, I talk about BGP communities, filters, and other cool BGP stuff.

  • Categories Network Operations

Hulu and Geolocation issues solved

  • Post author j2sw
  • Post date January 30, 2020

Recently I received some IP space from Arin and every geolocation provider I tried came back with proper information. 

  • Categories Network Engineering Resources

CryptoTrust OnlyKey

  • Post author j2sw
  • Post date January 29, 2020

The product package forms an envelope making it difficult to tamper with the packaging without showing visible signs

  • Categories Network Operations

LibreNMS and Cambium Networks

  • Post author j2sw
  • Post date January 29, 2020

What Can LibreNMS do for the Cambium operator as far as monitoring and graphing?

  • Categories Network Operations

Bandwidth and the Wireless ISP

  • Post author j2sw
  • Post date January 28, 2020

Bandwidth is a big hurdle most aspiring WISPs face. The reason is if high-speed alternatives were already in place, the need for a WISP would not be as great. 

  • Categories Network Operations

The importance of phone numbers in a WISP

  • Post author j2sw
  • Post date January 26, 2020

The importance of phone numbers in a WISP and customer happiness and your own happiness

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