Archive for the ‘Tech & IT’ Category

Fix Apple Macbook Air/Pro Wifi Roaming Wireless Problems

As it can be expected from Apple, there is no user interface to adjust or change the wifi roaming agressiveness. This is VERY IMPORTANT if for example you use Macbooks in a very dense wifi environment. If you have a Macbook that’s dropping packets when roaming or having trouble roaming from AP to AP, then […]

mDNS / Bonjour Bible – List of Common Service Strings for various vendors

For anyone who has struggled finding mDNS (aka Bonjour) service strings for various services, hopefully this will help you! Service String Friendly Name Type Source _adisk._tcp.local Time Capsule Backups Apple Proprietary Link _afpovertcp._tcp.local. AppleTalk Filing Protocol (AFP) Apple Proprietary Link _airdroid._tcp.local. AirDroid App 3rd Party Custom _airdrop._tcp.local. OSX AirDrop Apple Proprietary Link _airplay._tcp.local. Apple TV […]

T-Mobile Wifi Calling – ER081 Firewall Port Summary

Open the following ports on your firewall: TCP 5060-5061 UDP 4500 (aka IKE Traversal)  –  Note: This is the port the call data goes through Additionally, you may need to let IKE Key Exchange traffic through. UDP 500 Other errors: REG99 – Go to my.t-mobile.com and update your E911 address (even if you previously have)