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Re: Local-only (non-ip) rpcbind(8)?
hf%spg.tu-darmstadt.de@localhost (Hauke Fath) writes:
>Hi,
>can rpcbind(8) be set up to only use local transport, as opposed to
>binding to interfaces?
>The closest I seem to come to that goal is by specifying '-h 127.0.0.1',
>which results in a pointless
>Nov 18 15:45:05 HOST rpcbind: cannot bind 127.0.0.1 on udp: Address
>already in use
>Nov 18 15:45:05 HOST rpcbind: cannot bind 127.0.0.1 on tcp: Address
>already in use
When you specify hosts, rpcbind automatically adds 127.0.0.1 to the
list of addresses, thus the duplicate.
Here is what rpbind does:
-> bind to local transport
nconf = getnetconfigent("local");
init_transport(nconf);
-> bind to all visible transports configured
while ((nconf = getnetconfig(nc_handle))) {
if (nconf->nc_flag & NC_VISIBLE) {
if (ipv6_only == 1 && strcmp(nconf->nc_protofmly,
"inet") == 0) {
/* DO NOTHING */
} else
init_transport(nconf);
}
}
endnetconfig(nc_handle);
The configuration is in /etc/netconfig:
udp6 tpi_clts v inet6 udp - -
tcp6 tpi_cots_ord v inet6 tcp - -
udp tpi_clts v inet udp - -
tcp tpi_cots_ord v inet tcp - -
rawip tpi_raw - inet - - -
local tpi_cots_ord - loopback - - -
where 'v' is the NC_VISIBLE flag.
Of course that's a global setting and RPC clients use is too.
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