Can't use SQL*Net connection

Hello i'm using oracle 8.1.5 under Linux (mandrake 7.1).The rdbms work properly but i can't use the syntax describe here :
sqlplus system/mnager@demo ...
It tells me an error (NETCMN) ...
However, when i try tnsping demo , the server reply that the connection was good ...
did someone has the same trouble ??
I suppose that my listener.ora or tnsnames.ora is not configurated properly...
The tools netasst don't work with this version :( ...
I can use only the syntax sqlplus system/manager ... but i want simulate a C/S connection.
Thanks.
null

Hi!
Starting from scratch, your users will not have a db account but do only exist in the OID. If you want to (or need to) create users in the database your problem does exist.
I believe that there are two possibilities:
a) users exist in OID only, they authenticate against SSO/OID, the data is then extracted with an application user
b) users do exist in the database, but you manage in the firewall that no direct connection from your users network is possible to the database server.
cu
Andreas

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