Logging OpenVPN/PPTP connections-Collection of common programming errors

http://openvpn.net/index.php/open-source/documentation/howto.html

sample-config-files/server.conf

# Set the appropriate level of log
# file verbosity.
#
# 0 is silent, except for fatal errors
# 4 is reasonable for general usage
# 5 and 6 can help to debug connection problems
# 9 is extremely verbose
verb 9