Scan Detect listens on a given TCP port. If a host connects to that port, it uses ipchains to block that host from connecting to your Linux system. To that host it would be like your system isn't connected to the Internet.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
