RPC: Authentication error

Chuck Swiger cswiger at mac.com
Wed Aug 27 18:36:20 UTC 2008


On Aug 27, 2008, at 10:30 AM, lysergius2001 wrote:
> rpcinfo -p server results in :
> rpcinfo: can't contact portmapper: RPC: Authentication error; why =  
> Client
> credential too weak
> ps-aux | grep rpcbind shows the rpc daemon running...
> /etc/hosts.allow has the names of the 3 machines on my network...
> Any insights would be most welcome as I am clean out of ideas... duh?

If you check the logs on the server, you'll probably see something like:

   mountd[95]: mount request from from unprivileged port

...the mount or rpcinfo requests use a high port if run as a normal  
user and that gives an error; try running these as root from a full  
root-login (ie, login as root on console or use "su -l", not via sudo).


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