A new MS SQL Server 2000 worm spread quickly. From BugTraq:
SQL Server 2000 Service Pack 3 should fix this issue as well
It looks like there's a worm affecting MS SQL Server which is pingflooding addresses at some random sequence. All admins with access to routers should block port 1434 (ms-sql-m)!Read more
SQL Server 2000 Service Pack 3 should fix this issue as well