I've gotten requests for similar functionality, and intended to implement it using directory notifications on /proc/fs/nfsd/clients. But this is another way to do it that I hadn't thought of. That's interesting. I haven't thought about the relative advantages or disadvantages. --b. On Mon, Mar 01, 2021 at 01:17:15PM +1100, NeilBrown wrote: > V1 of this series didn't update the usage() message for mountd, > and omited the required ':' after the 'T' sort-option. This > series fixes those two omissions. > > Original series comment: > > When NFSv3 is used mountd provides logs of successful and failed mount > attempts which can be used for auditing. > When NFSv4 is used there are no such logs as NFSv4 does not have a > distinct "mount" request. > > However mountd still knows about which filesysytems are being accessed > from which clients, and can actually provide more reliable logs than it > currently does, though they must be more verbose - with periodic "is > being accessed" message replacing a single "was mounted" message. > > This series adds support for that logging, and adds some related > improvements to make the logs as useful as possible. > > NeilBrown > > --- > > NeilBrown (5): > mountd: reject unknown client IP when !use_ipaddr. > mountd: Don't proactively add export info when fh info is requested. > mountd: add logging for authentication results for accesses. > mountd: add --cache-use-ipaddr option to force use_ipaddr > mountd: make default ttl settable by option > > > support/export/auth.c | 4 +++ > support/export/cache.c | 32 +++++++++++------ > support/export/v4root.c | 3 +- > support/include/exportfs.h | 3 +- > support/nfs/exports.c | 4 ++- > utils/mountd/mountd.c | 30 +++++++++++++++- > utils/mountd/mountd.man | 70 ++++++++++++++++++++++++++++++++++++++ > 7 files changed, 131 insertions(+), 15 deletions(-) > > -- > Signature
