may some here points me where rpcbind is implemented ? I would like to see the C code of it. Thanks.
Em sex., 17 de jun. de 2022 às 00:20, Theo de Raadt <dera...@openbsd.org> escreveu: > Gustavo Rios <rios.gust...@gmail.com> wrote: > > > Hi folks! > > > > How does openbsd rpcbind prevent ordinary users to unset a given rpc port > > mapping registered by, for instance, the root user ? > > Poorly. > > It will only allow local root (who request upon a reserved port) to touch > ports which are reserved (< 1024), and 2049 is treated the same way. > > If root wants safe RPC, it needs to use reserved ports. > > Please don't bring up the argument that reserved ports are an outdated > concept, it is obvious right here they aren't. > > It is difficult to improve the RPC ecosystem, it kind of is what it is, > and noone new services use it. > > -- The lion and the tiger may be more powerful, but the wolves do not perform in the circus
