On Fri, May 25, 2018 at 9:08 AM Daniel Braniss <[email protected]> wrote:
> Hi, > I’m trying out bhyve with different setups, but mailny FreeBSD (11.2 and 12), and > was wondering if there is any way for the client to know who is hosting it? > thanks, > danny Hi, What do you mean 'knowing who is hosting it?' If you mean obtaining information such as IP address or hostname of the host from inside the guest operating system, it should not be possible and is likely a security flaw if it were allowed by default. Operating systems should ideally be unable to determine even that the system is a virtual machine instead of a hardware based host; however since bhyve uses VirtIO devices and other virtualization mechanisms due to performance issues you are indeed able to determine that the OS is running in a virtual machine. More specific information should be impossible to obtain if not injected by the host (e.g., running a web server on the host with some information, adding a virtual block device with a configuration file, and so on). Darius > _______________________________________________ > [email protected] mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to " [email protected]" _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "[email protected]"
