Hi there the way i remember the listener working is that 1521 specified in the listener.ora file is just the port where the initial hello happens on. it say hi then and gives you the port where the listener will create you process that you will work via. G > make sure the listener only listens on 1521 - thats the only port people > can > connect on then > > On 06/09/06, George <george@xxxxxxxxxxxx> wrote: >> >> >> >> Now. how can you define the possible range for reconnect/supplied ports >> to >> connect to OR how can i limit it so that all connections is done via >> 1521... RAC environment >> >> thanks >> >> >> > ------------------------------------------------ George george@xxxxxxxxxxxx You Have The Obligation to Inform One Honestly of the risk, And As a Person You Are Committed to Educate Yourself to the Total Risk In Any Activity! Once Informed & Totally Aware of the Risk, Every Fool Has the Right to Kill or Injure Themselves as They See Fit! ------------------------------------------- For super low premiums, click here http://www.webmail.co.za/dd.pwm -- //www.freelists.org/webpage/oracle-l