CVE:CVE-2000-0440
CNNVD:CNNVD-200005-002
NetBSD 1.4.2和早期版本存在漏洞，攻击者可以通过发送非连续IP时间戳选项的包触发拒绝服务。
solution:Upgrade freebsd freebsd to a higher version than 3.4,4.0,5.0,and avoid the version 3.4,4.0,5.0; Upgrade netbsd netbsd to a higher version than 1.4.1,1.4.2,and avoid the version 1.4.1,1.4.2