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The Dropbox app is no longer connecting on MacOS 15, unless I disable my firewall.

The local Dropbox app (209.3.3602) on my iMac is no longer connecting after I upgraded to MacOS Sequioa 15.0 (24A335).

I can only get it to work again after disabling the Firewall (Settings, Network, Firewall).

From other sources (ZDNet) I have understood that the upgraded Firewall now also blocks DNS lookup replies initiated from inside my network, so from the local Dropbox app for example.

Hoping for upgrade news from Cupertino...

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NJF

This is the solution:

sudo /usr/libexec/ApplicationFirewall/socketfilterfw --add /Applications/Dropbox.app

and for any other app that no longer seems to work on MacOS 15 (like Firefox).

Thanks Pedro!

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Mark

Thats an odd one. I am on 15.0 same build without issues. BUT I am not using a beta version like you.

Have a try of installing https://www.dropboxforum.com/t5/Dropbox-desktop-client-builds/Stable-Build-208-4-5824/td-p/795280 and see if that works?

NJF

Hi Mark,

Thanks for considering this issue.

I uninstalled Dropbox 209 and installed 208.4.5824 and activated the Firewall.

The Dropbox app hangs while saying 'Connecting...' ('Verbinding maken, in my native language).

The only way to get Dropbox 208 to start working is to take the Firewall down...

Mark

Sounds like something on firewall is blocking it then.

I'd suggest a ticket to Support via www.dropbox.com/support

NJF

This is the solution:

sudo /usr/libexec/ApplicationFirewall/socketfilterfw --add /Applications/Dropbox.app

and for any other app that no longer seems to work on MacOS 15 (like Firefox).

Thanks Pedro!