Errors while starting multichain server [closed]

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user@linuxwebserver:/$ multichaind chain3 -daemon

MultiChain 1.0 Daemon (protocol 10008)

MultiChain server starting
Error: An error occurred while setting up the RPC address port 4420
for listening: bind: Permission denied
Error: Unable to bind to on this computer (bind returned error
Permission denied (13))

how to fix this error ?
do I need to add something to the multichain.conf or params.dat files ?

Error: Failed to listen on any port. Use -listen=0 if you want this.
asked Sep 8, 2017 by benwest
closed Sep 9, 2017 by MultiChain