ServerSocket security exception

how come i cant create a server socket?....i got though creating my client....and my server wont create a socket due to some security exception(cannot access port(port i assigned))......how can i solve this?
[214 byte] By [pimperskina] at [2007-9-28 1:49:53]
# 1
Most likely reason is because you are running on a version of unix and you are using a port below 1024. You have to have root permissions to use those.If not then you need to provide more information.
jschella at 2007-7-7 21:22:46 > top of Java-index,Developer Tools,Debugging and Profiling Tool APIs...