Post B0bVYrG0ylQDwECEka by ivan@vucica.net
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 (DIR) Post #B0bVYrG0ylQDwECEka by ivan@vucica.net
       2025-11-25T12:28:30.051454Z
       
       1 likes, 0 repeats
       
       Pet peeve: trying to find info on why UPnP might be broken in a particular piece of software, and instead finidng people screaming about how UPnP is insecure.I have bad news for them.If you switch off UPnP for security reasons but don't do other things to ensure traffic goes through, don't be surprised you suddenly don't get peer-to-peer connections as often and fall back to relaysIf you have two devices on the network trying to hijack the same external port, don't be surprised you don't get peer-to-peer connections as often and fall back to relaysYes, there are security and privacy issues with letting random devices on your network open ports for incoming traffic to themselves (or other devices). Yes, there are privacy concerns with peer-to-peer connections in general.But it's a tradeoff.I already have to trust the software on my home network to some extent. If it's not trustworthy, well, bad news for me: it's already inside, it can relay traffic to/from some c&c hub anyway, just like VOIP, games and IP tunneling / "VPN" software already has to.These are likely the same people who believe commercial VPNs are the ultimate in trustworthy protection of their privacy.