Networking Code Diary Entries

This is part of the Semicolon&Sons Code Diary - consisting of lessons learned on the job.

• How to access localhost on your dev machine with your phone
• How to fix temporary failure in name resolution
• How to see all connections to your system with netstat
• How to see if a port is open
• How to see what machines are on your network
• Ipsec basics
• NAT basics
• Open all ports temporarily when debugging staging
• See who last logged in to a server
• Two processes can shadow the same port
• VPN basics
• Websockets basics
• What to do if hotspot login pop ups stop working