Denial of Service and the xISP Part 1
Most service providers have been the victim of a Denial of Service (DoS) attack at one point or another. Sometimes you may not realize you are under an attack. A few months ago, I posted a simple screenshot at https://blog.j2sw.com/networking/anatomy-of-a-ddos/ of what an active DDoS looks like. Types of AttacksIn order to know what to look for … Read more
Elitism in the I.T field
Have you ever ran across this guy? If not, maybe it’s you. Elitism is in every field. I.T/Networking/Programming fields highlight the elitism more than other areas for several reasons. We will dive into some of these reasons and maybe shed some light on the behavior to get folks thinking. This article is full of lots … Read more
Quick and Dirty Baicells eNODEB Mikrotik Rules
If you have a Baicells eNodeB you wish to restrict access to these Mikrotik rules will help. There are some assumptions made. The following rules are meant to be a base for incorporating into your network. /ip firewall filteradd action=drop chain=forward src-address=10.0.0.2 src-port=443 protocol=tcp \ dst-address-list=!baicells_cloudadd action=drop chain=forward src-address=10.0.0.2 src-port=8082 protocol=\ tcp dst-address-list=!baicells_cloudadd action=drop chain=forward src-address=10.0.0.2 src-port=48080 … Read more
Using Splunk to monitor literally everything on Mikrotik
This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more
Interesting Amazon item: iodd Mini USB 3.0 256-bit Secure encrypted SSD Drive
AES256-XTS/Write protect Blocker/WinToGo/AutoSleep/Safely Removal/Firmware Updater Provide bootable Virtual USB Drive function can be used with Rufus or similar other tools Recognized as Bootable HDD for Windows 8,LInux,Mac OS. Selecting VHD files let you can multi-boot. Optimized for handheld / Light and small size fits in your hand Simple and powerful features / built-in help / … Read more
PHP 7.3 and 7.4 Woes and solution
So this weekend I have been doing some LibreNMS installs and have been having to change the default CentOS PHP version. If it is Centos7 PHP 7.3 is recommend and if it’s Centos 8 then PHP 7.4 is recommended. I have some pretty good tutorials on installing Librenms that I follow. They all mention the … Read more
ISP Supplies: MicroPop Full Kit
Our friends over at ispsupplies.com and a Mimosa Micro-Pop full kit. https://www.ispsupplies.com/Mimosa-Micro-Pop-Full-Kit
Footage of Arecibo Observatory collapse
https://en.wikipedia.org/wiki/Arecibo_Observatory
Shuffle poles for smart cities utilizing Siklu
Siklu, a global leader in Fixed 5G millimeter wave (mmWave) solutions for Gigabit Wireless Access (GWA), Smart City and security networks, today announced an initiative with Schréder, one of the world’s largest manufacturers of outdoor lighting systems, to create the first-ever “Wireless Smart Pole” – thanks to a new module available with the Schreder Smart Pole: … Read more
Proper BGP DENY-ALL filter for mikrotik
This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more