main(): listen tcp :443: bind: permission denied

main(): listen tcp :443: bind: permission denied

To bind to ports below 1024 you need to run the program as root. There are some workarounds:

http://stackoverflow.com/questions/413807/is-there-a-way-for-non-root-processes-to-bind-to-privileged-ports-1024-on-l/414258#414258