Firewall setup for Python.app incoming connection firewallpython I am running a Python programme on my MacBook Pro (Catalina), but everytime it prompts the following information However, in the pane of Security & Privacy preferences, I have set it, How can I fix it? Best Answer Create a self-signed certificate. Open Keychain Access. Applications > Utilities > Keychain Access. Keychain Access menu > Certificate Assistant > Create a Certificate... Enter a name like "My Certificate". Select Identity Type: Self Signed Root Select Certificate Type: Code Signing Check the Let me override defaults box Click Continue Enter a unique Serial Number Enter 7300 for the Validity Period. Click Continue Click Continue for the rest of the dialogs Now sign your application codesign -s "My Certificate" -f $(which python) In the dialog that appears, click "Allow". With the OS X firewall enabled, you can remove the "Do you want the application "python" to accept incoming network connections?" message. Related SolutionsiTunes – Always Asked to Configure Firewall Settings I looked at Am1rr3za's article, and eventually it just said to reinstall iTunes, which I did. That worked. Am1rr3za, post as an answer if you want the points. Otherwise, I'll accept this one. How to tell Firewall to allow incoming connections for Python running a specific script? (In this case: SickBeard) While checking the programs above I realized I hadn't added the Current alias, which was likely used: /System/Library/Frameworks/Python.framework/Versions/Current/Python Adding Python from the Current alias folder fixed my problem. Hadn't seen this question or answer anywhere else online so I'm keeping it up. Related QuestionWhy can’t I remove this top entry in the firewall optionsMacOS – How to tell Firewall to allow incoming connections for Python.app running DjangoMacOS – Cant access firewall in system preferences; firewall tab is greyed outMacOS – Mavericks firewall does not keep the choicesMacOS – Issue turning firewall off on OS X El Capitan 10.11.2How to unblock an application with socketfilterfw
Best Answer
Create a self-signed certificate.
Now sign your application
In the dialog that appears, click "Allow".
With the OS X firewall enabled, you can remove the "Do you want the application "python" to accept incoming network connections?" message.