Monday, November 22, 2004
Advanced firewall blocking technique
I have just encountered firewall problem. At the first sight, I don't think it is firewall problem. However, tcpdump told me what happened behide the scene. The situation is that I can get incoming connection from outside without problem but it seems to not work with real application. In fact, someone spoofs a packet to me with reset flag set. Oops!
Posted by sugree at 15:24