Create your own simple Backdoor-vulnerability warning-the black bar safety net

We all know nc is a powerful and flexible hacking tools, he can do many things, such as a telnet client port, such as the invasion of time to bounce back the shell, such as scanning...... But have you ever wondered will he build into a service-level Backdoor? Now much better with me as the rookie...

The black ice of the campus to pick up broilers Edition-vulnerability warning-the black bar safety net

The famous black ice firewall, I believe you warrior Diamondback they have heard of it! It is by virtue of its superior anti-black abilities and become dear Internet users friends travel home, surf the Internet essential good product. （As if in to it for advertising。。。。 Oh that we today refer to...