ApplicationDescription iTerm2 is a free terminal emulator. Connections IsIncoming Host iterm2.com NetworkProtocol TCP Port 443 Relevance Default Purpose iTerm2 needs to connect to iterm2.com to check for and download software updates. DenyConsequences If you deny this connection, you won't be notified when a new version is released and you'll be unable to update the Python runtime for the scripting API. IsIncoming Host * NetworkProtocol TCP Purpose Applications running within iTerm2 may open connections. DenyConsequences The current command will not be able to proceed.