Исправлено в https://github.com/novacoin-project/novacoin/commit/6e9bdffe9ddcda32a6c0431cacdd27d5daf33ce3

Revert "Do not use third party services for IP detection, rename fNoListen to fListen and move to net"

This reverts commit ce0134b96960575948b2da5ebd364bbcf52f8a5a.