CVE:CVE-1999-0074
CNNVD:CNNVD-199707-012
TCP（Transmission Control Protocol,传输控制协议）是一种面向连接的、可靠的、基于字节流的传输层通信协议，由IETF的RFC 793定义。
监听的TCP端口按顺序分配，可以进行欺骗攻击。
solution:Upgrade freebsd freebsd to a higher version than 6.2:stable,and avoid the version 6.2:stable; Upgrade linux linux_kernel to a higher version than 2.6.20.1,and avoid the version 2.6.20.1; Upgrade microsoft windows_nt to a higher version than *; Upgrade netbsd netbsd to a higher version than 2.0.4,and avoid the version 2.0.4