removing public permission from master and msdb databases in sql server 2000

Today I was runing a Squirral scan on a sql server 2000 instance found many security isssues so I bolg out the fixes done to that setting..

EXEC sp_MSforeachdb 'USE [?];
SELECT * FROM sysusers;'
GO

USE <Database Name>
GO
EXEC sp_revokedbaccess 'guest'
GO



use master revoke execute on xp_regread to public
use master revoke execute on xp_instance_regread to public

use msdb; revoke execute on sp_add_job to public; use master

use msdb; revoke execute on sp_add_jobserver to public; use master

use msdb; revoke execute on sp_add_jobstep to public; use master

use msdb; revoke execute on sp_start_job to public; use master

use msdb
revoke execute on sp_purge_jobhistory to public
revoke execute on sp_help_jobhistory to public
revoke execute on sp_delete_jobserver to public
revoke execute on sp_help_jobserver to public
revoke execute on sp_get_jobstep_db_username to public
revoke execute on sp_update_jobstep to public
revoke execute on sp_delete_jobstep to public
revoke execute on sp_help_jobstep to public
revoke execute on sp_add_jobschedule to public
revoke execute on sp_update_jobschedule to public
revoke execute on sp_delete_jobschedule to public
revoke execute on sp_help_jobschedule to public
revoke execute on sp_add_job to public
revoke execute on sp_update_job to public
revoke execute on sp_delete_job to public
revoke execute on sp_help_job to public
revoke execute on sp_get_job_alerts to public
revoke execute on sp_stop_job to public
revoke execute on sp_check_for_owned_jobs to public
revoke execute on sp_check_for_owned_jobsteps to public
use master
use master revoke execute on sp_readwebtask to public

use master revoke execute on sp_runwebtask to public
 use master
 exec sp_dropextendedproc 'sp_OACreate'
 exec sp_dropextendedproc 'sp_OADestroy'
 exec sp_dropextendedproc 'sp_OAGetErrorInfo'
 exec sp_dropextendedproc 'sp_OAGetProperty'
 exec sp_dropextendedproc 'sp_OAMethod'
 exec sp_dropextendedproc 'sp_OASetProperty'
 exec sp_dropextendedproc 'sp_OAStop'