Let's make sure that user's cannot DoS services for other users so easily, and enable MaxConnectionsPerSocket= by default for all of them. Note that this is mostly paranoia for systemd-pcrextend.socket and systemd-sysext.socket: the socket is only accessible to root anyway, hence the accounting shouldn#t change anything. But this is just a safety net, in preparation that we open up some functionality of these services sooner or later.
System and Service Manager
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