On 8/26/19 9:07 AM, mcatanz...@gnome.org wrote:
Well the thing is, blocknig ports tends to break applications that want
to use those ports. We're not going to do that, period. It also doesn't
really accomplish anything: either your app or service needs network
access and you have whitelisted it (in which case the firewall provides
no security), or it needs network access and you have not whitelisted it
(in which case your firewall breaks your app/service). In no case does
it increase your security without breaking your app, right? Unless you
have malware installed (in which case, you have bigger problems than the
firewall). Or unless you have a vulnerable network service installed
that you don't want (in which case, uninstall it).
This is a reasonable point of view, until you notice Linux desktops
evironments don't provide applications with a method to detect if they
are running on a private network or not (See Windows Home, Office,
Internet network settings).
Then a non technical user start Rythmbox, enable music sharing, and it
works perfectly on their home network but then decides to buy a WAN
card/USB stick and suddenly all the music is being shared to the world.
I wish NetworkManager could do something about these situations, maybe
the default should be the public zone for interfaces that receive public
IP addresses.
So if you want to change the firewall settings, you'd need to completely
rethink how the firewall works. And nobody seems interested in doing
that. We could e.g. have a list of apps th at are allowed network
access, but then we'd need some form of attestation so apps can't
impersonate each other. So only sandboxed (flatpaked) apps could use
this hypothetical new firewall. And we surely don't want to have yes/no
permission prompts, so we can't really ask the user "do you want your
app to access the network?" (the user will almost always say yes). I'm
not really sure what design would even work.
Avoiding unnecessary network services makes more sense.
On Mon, Aug 26, 2019 at 3:45 PM, Alexander Ploumistos
<alex.ploumis...@gmail.com> wrote:
As a matter of fact, you did:
https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/3LHDQD5HCZMPV6O4LZRSKTVEIKEFJIBY/#3LHDQD5HCZMPV6O4LZRSKTVEIKEFJIBY
https://docs.fedoraproject.org/en-US/Fedora/21/html/Release_Notes/sect-Products.html#idm225474210784
Thanks for dredging up these links!
Michael
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