Depends on the daemon. The most common version of this would be a daemon that starts as root, opens its log file, and then drops privs. In that simple case, yea

Depends on the daemon. The most common version of this would be a daemon that starts as root, opens its log file, and then drops privs. In that simple case, yeah going to a named pipe would work fine. But if you stop reading from the pipe, it will presumably block when writing.