Bind 9.4 helpful notes
So recently I was spinning up some new authoritative names servers. I have stuck with bind for authoritative for years because the format of the files and queries is THE standard for DNS zones. IMHO, there are some better resolvers …
Server Tip from a non-server guy
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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 …
Mounting old file system CDs on MacOS Catalina
Recently I had an issue with mounting older CD-Roms of backup files and such on MacOSX Catalina. Apparently, Apple dropped support for HFS volumes. In order to fix this it is pretty easy. You will need HomeBrew. Being a network …
9 Life Hacks for all of us
A little bit of deviation from techie stuff. For those of you looking to make life better here are some “hacks” I totally agree with. What are you life hacks? What are soem things you do which are related to …
Preseem and Switches in switch centric design
Anyone who follows me knows I am a big fan of switch centric designs. This usually involves a router on a stick paired with a high port count switch. Recently I had a client that installed a Preseem appliance in …
WIFI calling port forwarding
Recently I came across a need to do some port forwarding for wifi calling. I have assembled a resource guide to help you if you need to do such things. IPSEC should be allowed per RFC 5996 https://tools.ietf.org/html/rfc5996 for all …
Some WordPress tips
If you are wanting to force non SSL to SSL. Add the following to your site’s .htaccess file Set proper file permissions Script from https://www.ryadel.com/en/set-file-system-permissions-wordpress-web-site-centos-7-chmod/ # # This script configures WordPress file permissions based on recommendations # from http://codex.wordpress.org/Hardening_WordPress#File_permissions # …
Justin’s I.T. maintenance tip #7
When you are scheduling late maintenance schedule it anytime after 12:01AM so there is no confusion on the day. It’s easier to clarify 12:01AM on Friday the 10th than midnight on Friday. Folks tend to get confused when you say …