[重要通告]如您遇疑難雜癥,本站支持知識付費業務,掃右邊二維碼加博主微信,可節省您寶貴時間哦!

昨天給一個青島的客戶做管家婆的演示，開啟了遠程1433端口，早上在登陸管家婆就發現無法登陸，提示sa密碼錯誤；我也沒操作啥，為啥錯誤呢？看了一下系統日志，霍霍好多登陸信息，我一個虛擬機在內網做了演示，你能干啥哦；還這么瘋狂的掃描；

現在有很多自動掃描1433端口的軟件，會破壞sp_password存儲過程。造成在修改SA密碼的時候出現2812錯誤，那如何解決呢，我們現在來說說；

用WINDOWS身份驗證登陸到SQL SERVER的查詢工具。復制--粘貼--執行下面的代碼即可；全程圖解，具體請看下圖；

-- SQL代碼開始

sp_configure 'allow updates', 1
RECONFIGURE WITH OVERRIDE

go

use master
go

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_password]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[sp_password]
go

create procedure sp_password
@old sysname = NULL, -- the old (current) password
@new sysname, -- the new password
@loginame sysname = NULL -- user to change password on
as
-- SETUP RUNTIME OPTIONS / DECLARE VARIABLES --
set nocount on
declare @self int
select @self = CASE WHEN @loginame is null THEN 1 ELSE 2 END

-- RESOLVE LOGIN NAME
if @loginame is null
select @loginame = suser_sname()

-- CHECK PERMISSIONS (SecurityAdmin per Richard Waymire) --
IF (not is_srvrolemember('securityadmin') = 1)
AND not @self = 1
begin
dbcc auditevent (107, @self, 0, @loginame, NULL, NULL, NULL)
raiserror(15210,-1,-1)
return (1)
end
ELSE
begin
dbcc auditevent (107, @self, 1, @loginame, NULL, NULL, NULL)
end

-- DISALLOW USER TRANSACTION --
set implicit_transactions off
IF (@@trancount > 0)
begin
raiserror(15002,-1,-1,'sp_password')
return (1)
end

-- RESOLVE LOGIN NAME (disallows nt names)
if not exists (select * from master.dbo.syslogins where
loginname = @loginame and isntname = 0)
begin
raiserror(15007,-1,-1,@loginame)
return (1)
end

-- IF non-SYSADMIN ATTEMPTING CHANGE TO SYSADMIN, REQUIRE PASSWORD (218078) --
if (@self <> 1 AND is_srvrolemember('sysadmin') = 0 AND exists
(SELECT * FROM master.dbo.syslogins WHERE loginname = @loginame and isntname = 0
AND sysadmin = 1) )
SELECT @self = 1

-- CHECK OLD PASSWORD IF NEEDED --
if (@self = 1 or @old is not null)
if not exists (select * from master.dbo.sysxlogins
where srvid IS NULL and
name = @loginame and
( (@old is null and password is null) or
(pwdcompare(@old, password, (CASE WHEN xstatus&2048 = 2048 THEN 1 ELSE 0 END)) = 1) ) )
begin
raiserror(15211,-1,-1)
return (1)
end

-- CHANGE THE PASSWORD --
update master.dbo.sysxlogins
set password = convert(varbinary(256), pwdencrypt(@new)), xdate2 = getdate(), xstatus = xstatus & (~2048)
where name = @loginame and srvid IS NULL

-- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE SYSLOGINS CHANGE --
exec('use master grant all to null')

-- FINALIZATION: RETURN SUCCESS/FAILURE --
if @@error <> 0
return (1)
raiserror(15478,-1,-1)
return (0) -- sp_password

GO
sp_configure 'allow updates', 0
RECONFIGURE WITH OVERRIDE

-- SQL代碼結束

問題未解決？付費解決問題加Q或微信 2589053300 (即Q號又微信號)右上方掃一掃可加博主微信

所寫所說，是心之所感，思之所悟，行之所得；文當無敷衍，落筆求簡潔。 以所舍，求所獲；有所依，方所成！