A default bitcoin configuration file.

bitcoin.conf

rpcuser=USERNAME
rpcpassword=VERYSECUREPASSWORD

# bitcoin.conf configuration file. Lines beginning with # are comments.

# Network-related settings:
# Run on the test network instead of the real bitcoin network.
#testnet=1

# Connect via a socks4 proxy
#proxy=127.0.0.1:9050

# Use as many addnode= settings as you like to connect to specific peers
#addnode=69.164.218.197
#addnode=10.0.0.2:8333

# … or use as many connect= settings as you like to connect ONLY
# to specific peers:
#connect=69.164.218.197
#connect=10.0.0.1:8333

# Do not use Internet Relay Chat (irc.lfnet.org #bitcoin channel) to
# find other peers.
#noirc=1

# Maximum number of inbound+outbound connections.
#maxconnections=

# JSON-RPC options (for controlling a running Bitcoin/bitcoind process)
# server=1 tells Bitcoin to accept JSON-RPC commands.
#server=1

# You must set rpcuser and rpcpassword to secure the JSON-RPC api
#rpcuser=user
#rpcpassword=password

# How many seconds bitcoin will wait for a complete RPC HTTP request.
# after the HTTP connection is established.
rpctimeout=30

# By default, only RPC connections from localhost are allowed. Specify
# as many rpcallowip= settings as you like to allow connections from
# other hosts (and you may use * as a wildcard character):
#rpcallowip=10.1.1.34
#rpcallowip=192.168.1.*

# Listen for RPC connections on this TCP port:
#rpcport=8332

# You can use Bitcoin or bitcoind to send commands to Bitcoin/bitcoind
# running on another host using this option:
#rpcconnect=127.0.0.1

# Use Secure Sockets Layer (also known as TLS or HTTPS) to communicate
# with Bitcoin -server or bitcoind
#rpcssl=1

# OpenSSL settings used when rpcssl=1
#rpcsslciphers=TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH
#rpcsslcertificatechainfile=server.cert
#rpcsslprivatekeyfile=server.pem

# Miscellaneous options
# Set gen=1 to attempt to generate bitcoins
#gen=0

# Use SSE instructions to try to generate bitcoins faster. For muliple core processors.
#4way=1

# Pre-generate this many public/private key pairs, so wallet backups will be valid for
# both prior transactions and several dozen future transactions.
keypool=100

# Pay an optional transaction fee every time you send bitcoins. Transactions with fees
# are more likely than free transactions to be included in generated blocks, so may
# be validated sooner.
paytxfee=0.00

# Allow direct connections for the ‘pay via IP address’ feature.
#allowreceivebyip=1

# User interface options
# Start Bitcoin minimized
#min=1

# Minimize to the system tray
#minimizetotray=1