On Fri, 2009-06-12 at 17:17 -0400, Chuck Lever wrote: > On Jun 12, 2009, at 5:08 PM, Trond Myklebust wrote: > > > On Fri, 2009-05-15 at 11:33 -0400, Chuck Lever wrote: > >> rpcbind servers do not require RPC authentication, so AUTH_NULL is > >> all > >> that is needed. This saves a few bytes on the wire, and a bit of > >> computational expense on both ends. > > > > This certainly isn't the case for all portmap implementations. > > What implementations require AUTH_SYS ? The libtirpc and glibc > rpcb_getaddr/pmap_getport implementations use NULL, as far as I can > tell. libtirpc rpcb_set uses a local socket, which does local > authentication. pmap_set in glib uses NULL, I think. I just have a vague memory at the back of my head that the last time we tried this, we had to revert the change because some portmapper variant was rejecting it. The right thing might be simply be to add a handler for the AUTH_TOO_WEAK error. -- Trond Myklebust Linux NFS client maintainer NetApp Trond.Myklebust@xxxxxxxxxx www.netapp.com -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
