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SYSTEM SECURITY
| User Categories |
Permission Types |
System : system administrators |
READ |
| Owner : file creator, you |
WRITE |
| Group : all users in group |
EXECUTE |
World : users in all |
DELETE |
(SYSTEM, OWNER, GROUP, WORLD)
SYSTEM - These are accounts that have a "system" UIC...
in the group "10" or lower.
OWNER - These are accounts that have the same UIC as a file
GROUP - These are accounts that are in the same UIC group as the file
WORLD - These are all other accounts
File Security Listing
[dir/show]
1.Dir/full filename.ext //if not specifying filename, listing all
file in directory
2.Dir/prot filename.ext
3.show sec filename.ext
4.show prot/def //Display
default file protection
Modifying file protection using following command
$ SET [file|Sec]/PROT=(S:RW,O:RWED,G)
MY.FILE //owner full, group none , sys:rw , w: none
$ SET PROT=(S:WRE,O:WRED,G,W)/DEFAULT
//reset default protection
VMS System Internal Security
UIC : [ 30,20] // define
for each user, 30 th group
, 20 th member in that
group
2 default privileges for USERS : TMPMBX
& NETMBX for VMS user to operate= mininum privileges
2 default privileges for SYSTEM Manager : SYSPRV
& SETPRV
Group implementor: GROUP
& GRPPRV
INTRUSION
First 3 time failure attempts will result user as
SUSPECT, following 3
times results INTRUDER
$ Show Intrusion/type=[suspect/ Intruder] //list out
intrusion of suspect or intruder type , by def, /ALL
$ Del/Intrusion Account_name
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