The ACL is a security and access component of Operating Systems. It contains a set of entries that determine who and what has access to a specified physical or logical system object.

learn more… | top users | synonyms

0
votes
0answers
10 views

Can local Allow before local deny - correct canonical form for ACL?

I have been trying to get up to speed with Access Control Lists and feel I have got a little confused understanding what order you can put things in. I get the idea (from the chmod man pages): ...
0
votes
2answers
15 views

Is there a way to use ACL to have multiple groups owning one folder?

So just like the title says I am wondering if there is away for me to have multiple groups owning one folder with an ACL? I would like to have these Groups ftp_read I would like to have read set ...
0
votes
0answers
5 views

Acl setted file deleted and recover automatically in windows

I have set acl on linux share folder. For example if I have share name stock. And in stock share there are two folder Thinclient and Synapse. So for Thinclient I have given permission for rwx with ...
0
votes
0answers
11 views

firewall access list configuration

I am required to configure a "firewall" access list on packet tracer that is supposed to block ping requests, telnet, SSH and FTP traffic sourced from the internet (a random ISP router). So far, I ...
2
votes
0answers
53 views

Preventing ransomware attacks by detecting suspicious levels of file system activity

Assume a Windows 8/10 home/small office system with 3-4 users and a few TB of file share (say 6TB in a suitable RAID). Most files are static, but sometimes files get moved round or modified. But if ...
0
votes
0answers
21 views

Disable ACL globally or for a directory only

I have a VM with Debian on it. ACL is enabled. I wanted to ask how I can properly disable it (I know that this might lead to a bunch of permission problems) globally or just for a directory. I'm ...
0
votes
0answers
20 views

Layer 3 switch with ACL or firewall

I have a layer 3 switch with VLANs that have ACL, do I need to get firewall hardware or will ACL do? This is for a home network.
0
votes
1answer
32 views

Changing acl permissions of user1 home directory so nongroup member can access it while group members cannot

I have several users in several different groups. So... sudo su >$ ls -l /home/ drwxr-x--- 5 root group1 4096 Mar 18 12:44 group1 drwxr-x--- 6 root group2 4096 Feb 9 ...
-1
votes
1answer
17 views

Inbound/Outbound ACLs?

I do understand the basic difference but I find it confusing. One processes packet first then routes it and other routes first and then it's processed in ACL. If I want to save routers resources then ...
1
vote
1answer
48 views

Does WinSCP support Linux ACLs?

A Windows desktop user is using WinSCP client to connect to a Linux server to pick and drop files. The client seems not to recognize the Access Control List (ACL) for this directory. Does WinSCP ...
1
vote
0answers
50 views

How do I add add urlacl to already used 443 port?

I am trying to give uralacl to my user ad\user running this command: netsh http add urlacl url=http://+:443/ user=ad\user but getting this error: Url reservation add failed, Error: 183 Cannot ...
0
votes
0answers
23 views

Directory masks and permissions do not work with centrifydc-samba

I have linux machine with moosefs mounted disks, that are shared to AD and other users via centrifydc-samba daemon. When I modify the umask in my linux cli and then create a folder it behaves as ...
0
votes
1answer
45 views

ACL not working on btrfs filesystem

I'm trying to use ACL's to make all new files and folder in a directory belong to a certain group, but it doesn't seem to have any effect. I've run these commands in the directory: setfacl -d -m ...
0
votes
0answers
13 views

Dual Booting Windows and SID Issues

Installed a new instance of Win10 on a newly acquired SSD. I want to have the option of still using the existing Win7 instance. Path to how I got to where I am today. Factory installed Win7, used ...
3
votes
1answer
185 views

Stop permissions inheritance of all subfolders in Windows 7

This is in Windows 7. I have several high level folders. Each high level folder has a whole bunch of subfolders. I need to assign one group to be "read only" to the high level folders, but "read and ...
0
votes
1answer
24 views

Linux ACL for students test submission, Create, Append, Delete but not Read for others

There should be a TO Folder on a Samba-Share, where everybody is allowed to create files, edit and delete them. But one user should not be allowed to read the files others have created. The main idea ...
1
vote
1answer
58 views

Why is current CPU frequency read-only for root?

I have a program that provides benchmarks, but its OS agnostic and does not know how to read CPU frequencies. The test program is driven through a script. If I provide the CPU frequency, then the ...
1
vote
1answer
21 views

How to make an exact copy of a directory to an another partition?

I have a 20Gb folder on an ntfs drive. How can I make an exact of only that folder to an another ntfs volume? By exact, I mean, copy pemissions; keep directories hard links (if any); and keep ...
1
vote
1answer
190 views

How to add a SID to a folder permissions

How can I add a specific SID to a folder's access control list? I'd like to give it permission to read. I'd like to have the final ACL look like this:
0
votes
1answer
51 views

Tampered with System Volume Information… Now I Need Default Permissions. Doh

I'm using Win7, I changed my SYS-VOL-INFO folder permissions to take a peek inside, and I forgot to take note of the default permisisons (ACL's). I found a website, that isn't Microsoft, that claimed ...
0
votes
0answers
58 views

KVM mounting a directory with p9 driver and right permissions

I run virtual machines with KVM (libvirt) in Ubuntu. So there you can mount a local filesystem of your host machine using p9 drivers (http://wiki.qemu.org/Documentation/9psetup) Now I only found ...
0
votes
1answer
140 views

Setting NTFS permissions to share root breaks inheritance

I'm having an issue with Windows 2012 R2 where setting NTFS permissions on the root of a share breaks inheritance, and the NTFS permissions are effectively replaced with the new ACE. The only way I ...
0
votes
1answer
54 views

How do you set Linux ACL to default to a specific group with permissions?

So I have a directory: www\ which looks as so: [eugene@server ~]$ ll total 0 drwxrwx---. 2 eugene eugene 57 Dec 10 16:04 www I want to make it so all new files created in this directory will ...
0
votes
1answer
30 views

Is it possible to add more than one AWS ACL to a subnet?

I currently have hit the max number of entries in my existing AWS Access Control List (ACL). Every couple of weeks a few new IPs try to attack my servers and I am unable to add any more "DENY" entries ...
1
vote
2answers
566 views

Meaning of starting d and starting l in drwxr-xr-x and lrwxr-xr-x

There are two files with the permission strings drwxr-xr-x and lrwxr-xr-x. I was wondering what the starting d and starting l stand for?
1
vote
2answers
563 views

Does Windows copy file permissions with copied files?

When I copy a file from one location to the other will the destination keep the original permissions or will it take the copied files permissions?
1
vote
0answers
146 views

samba4 acl for allowing group access to files created by a user

I've just setup samba4 as an Active Directory domain controller. (samba v4.3.0, installed on ubuntu x64) It's used in a small accounting office. The office has a number of file shares. I've given ...
1
vote
1answer
95 views

Cannot read directory “(name)”: File exists

I am trying to update a Windows 7 installation to Windows 10, but the procedure is failing repeatedly at step MIGRATE_DATA. Investigating what could prevent the migration, I found two corrupted files ...
1
vote
0answers
45 views

Is there a Linux `setfacl --test` equivalent for BSD?

The Linux version of setfacl, as opposed to the BSD version has that very handy --test option: --test Test mode. Instead of changing the ACLs of any files, the resulting ACLs are ...
0
votes
0answers
180 views

Clean way to preserve permissions in backups from Linux stored on NTFS

With cygwin, rsync and SSH I have set up a backup mechanism that copies all of the vServers (running Debian) contents to my local NTFS hard drive (running Windows 10) and it works. Partially. I use ...
0
votes
0answers
44 views

OpenZFS ACLs on OSX

I mistakenly did a chmod ug+rwX rather than chmod ug=rwX and have now gained a host of ACLs on the folder and I cannot get rid of them. It is really screwing things up with shared use and rsync to NAS ...
3
votes
1answer
266 views

How do I set default (not inherit) acl permissions on file creation?

This is with a freenas box (FreeNAS-9.3-STABLE-201506292130). In debian-based linux generally there is a default permissions of 644/755 for files/directories (now 664/775?). As I understand it, this ...
0
votes
3answers
88 views

how to insert a text file in hosts.allow or hosts.deny?

So I read in man page of hosts.deny that i can input files in /etc/hosts.allow or hosts.deny to input ip addresses which i want to block or deny. So i tried doing this in hosts.allow sshd: ALL ...
1
vote
1answer
81 views

Linux (POSIX) file ACLs: is it possible to set a default ACL for a single user ONLY?

POSIX file ACLs: is it possible to grant default read access for a specific user to new files/directories within a directory, without setting default ACLs for user::/group::/mask::/other::? On a ...
0
votes
0answers
105 views

Setting file permissions doesn't propagate to newly created subdirectories/files

How can I set the ACL permissions for a directory, such that newly created sub-directories and files receive the same read, write, and directory execute permissions as the parent directory? I've ...
0
votes
0answers
31 views

Grant full access to the contents of a directory to a user

I have a directory that has directories created in it, and files created in those directories. There are several layers of directories that are generated. The files and directories are created ...
0
votes
1answer
123 views

windows xp Professional restore Security Descriptors after cacls /t /e /p

Someone changed the permissions on a bunch of machines using cacls which fixed one problem but created a bigger one. I'm looking at ways to revert this but can't seem to get it back to the way it was. ...
1
vote
1answer
74 views

How to set Permissions and Owner/Group to be used for file creation?

Legend: Owner/Group e.g. AccountUser/Nobody On a web server (apache), I have a folder (chmod 775, AccountUser/Nobody) which I move uploaded files into. A web-based script running as Nobody is used ...
0
votes
1answer
167 views

How to change permissions on a folder when the owner doesn't have read access and no one else has change permissions enabled?

So the basic scenario is this. UserA creates a folder with a few subfolders and documents. UserB comes along and changes the permissions on the folder and subfolders so he can list folder contents and ...
0
votes
0answers
190 views

POSIX and ACL permissions Mac Server

I have a mac mini server and have a script run at login for network users that mounts a shared drive on the mac server. When they mount up, I create a folder with their name as the folder name. What ...
0
votes
1answer
601 views

SubInACL using accent in usergroup name returns error 1337

I'm trying to reset my registry permissions to default because something modified it and causing some problems. But when I replace the "Administrators" usergroup name with the translated one which ...
1
vote
1answer
287 views

Trying to inherit parent permissions but setfacl doesn't work as intended

I'm running Ubuntu Server 14.04.2 LTS and I've installed acl using sudo apt-get install acl. I'm trying to create a www folder under /srv that the web server has read/write access to in addition to ...
1
vote
1answer
129 views

Undo setfacl changes

Using Cygwin in a virtual machine, I ran this command setfacl --remove-all /cygdrive/c After that I noticed this message: C:\ is not accessible. Access is denied. I undid this change by ...
0
votes
0answers
155 views

ACL inter-vlan routing

I need to configure access control list on layer 3 switches for a some school's: Now the PC's from one classroom can access the PC's from the other classroom. How can I configure that they only can ...
0
votes
1answer
53 views

Removing lines in text document that end the same

We have a script that downloads a list of domains for our squid box to block, but we keep getting warnings like the following: 2015/03/02 17:08:47| WARNING: You should probably remove '.artnau.com' ...
0
votes
0answers
102 views

Invalid hostname in HELO sent by MUA

I have a mail server running exim4 with an ACL that drops the smtp session if the hostname in HELO is an IP address. Exim is configured to do the reverse dns check. The said ACL is the very first one ...
0
votes
1answer
18 views

Setting ACL for group read access

Let me introduce you to margaret and pepijn, my two LDAP users. Pepijn is at the bottom of my non-existent corporation's food chain and is therefore member of only one LDAP-group: pepijn@srv:/$ ...
1
vote
1answer
503 views

Ntfs permission error

We occasionally observe damaged permissions on folders with the error: No permissions have been assigned for this object The affected systems are mostly Windows 7 but also Terminal Server 2008 and ...
0
votes
3answers
117 views

Inheriting file permissions

I currently have an AirPlay audio streaming service (Shairport) running on Raspbian on my Raspberry Pi. I have it configured to save the metadata for the songs that are played. For every song, it ...
0
votes
1answer
607 views

How is access denied on Avira file ipmgui.exe?

I can't modify anything of the ACL of the ipmgui.exe file (or any file of Avira in the same directory). It's not working at all with any cacls line tried, even under a system prompt!  I'm not sure at ...