Monthly Archives: November 2015

Postfix 2.9 Upgrade
To help reduce the load on my Postfix mail servers, I rely on Postscreen (which is built in to Postfix) to help weed out bot spam and misconfigured mailers. And to reduce the load on Postscreen, one of my tricks is to whitelist the outbound IP addresses of a couple of […]

Postscreen Whitelisting of SMTP Outbound IP Addresses from Large Webmail ...

This entry was posted in Linux Technology and tagged CIDR Gmail Hotmail Microsoft Outlook Outlook.com Postfix Postscreen white list whitelist Yahoo on by (updated 2928 days ago)
Setting up multiple WLANs in DD-WRT 24
For the past while, I’ve recommended DD-WRT K2.6 firmware builds for the Linksys E4200 router, as well as other Linksys / Cisco WiFi routers. The builds based on the newer K3.x Linux kernel have now reached a stable enough point where you can run them… but I still recommend the […]

DD-WRT K2.6 Kernel vs. K3.x and How To Upgrade

This entry was posted in Linux Technology and tagged 30-30-30 DD-WRT K2.6 K2.6 vs K3.x K3 K3.x kernel reset router Upgrade WiFi WiFi router on by (updated 2947 days ago)
The Ubiquiti EdgeRouter Lite can replace the Google Fiber Network Box 64
I’ve been a Google Fiber user (and fan) since the service first hit Provo, Utah. I have a vacation home there, so while I don’t get to benefit from the Gigabit speeds on a daily basis, I certainly take advantage of it while I’m there. Because it’s a vacation home, I rely […]

Replace Your Google Fiber Network Box with a Ubiquiti EdgeRouter ...

This entry was posted in Linux Reference Technology and tagged config.boot EdgeMax EdgeOS EdgeRouter EdgeRouter Lite EdgeRouter POE EdgeRouter X ER-LITE ER-POE ER-X ERL ERLITE-3 GFNB Google Fiber Google Fiber Network Box Google Fiber Network Jack POE replace replace Google Fiber Network Box Ubiquiti UBNT on by (updated 2563 days ago)