General :: Deny Users Access To DVD Drive?

Mar 29, 2010

I am trying to setup a system that will only allow root access to the DVD drive and no other users.

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Debian :: Deny The Users 2 & 3 From Accessing Windows Driver And Folders?

Oct 30, 2010

as we know in windows xp drive and folder permissions, we perform (folder-right click-properties-security tab-we check, group or user and assign ALLOW or DENY access to the folders) In the same way i want to DENY access to my windows driver sda1 & sda2 from the Debian OS. my system is being used by 3 users: user1, user2 & user3. All can access to all Volumes, so I want to Deny the users 2 & 3 from accessing my windows driver and folders. BUT i alone user 1 should have permission to access them. How do i change that in Debian 5.5? Allow/Deny Permissions to Volumes.

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Server :: Apache - Free Access From Lan Users And Password Access To Wan Users ?

Jun 26, 2009

Im trying to config my intranet to be accessible from inside the network (lan) without need of password and ask for a passwd for those who are viewing from Wan ....

Today my intranet can only be accessed from Lan, external access give me an Unauthorized message, I took look around, try #irc and still can get the appropriated help, I hope that someone here could help me on that...

A piece of my config:

Code:

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OpenSUSE Network :: Deny Access To Server By PC's

Apr 6, 2010

I want to deny access to my server by PC's from other sub LAN on my company, so I will add the lines ALL: xxx.xx.xx. to hosts.allow and ALL: ALL to hosts.deny?

VampirD
Microsoft Windows is like air conditioning
Stops working when you open a window.
-----BEGIN PGP SIGNATURE-----

[Code].....

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Security :: Deny Root Access To A Given File

Dec 7, 2010

I would like to know if it is possible to deny the access to a file for root? Would ACL's be a possibility? I have "googled" around but haven't found anything interesting (except SELinux). I should secure a password file to an important database.

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Fedora Networking :: Deny Access To Wireless Routers?

Mar 26, 2009

Here's the issue: from time to time I have to take away my son's access to the internet, so I exclude his laptop from my wireless Linksys router. Works like a charm, or it did until he discovered that my neighbor also has a wireless router, and hasn't secured it.

So my son sits in the corner of the house closest to my neighbor and uses their internet.

Is there any way I can tell his laptop to NOT access a particular router? Or even better, to only access my router?

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Ubuntu Servers :: Deny Access To Tomcat Based On Ip?

Feb 11, 2010

We need to only allow access to a web page only to some ips. We want to do this via Apache but it seems like the standard way of denying all and allowing some ips doesn't work because we mount a webapp using tomcat.

The sites-enabled file looks like this:

Code:
NameVirtualHost *:443
<VirtualHost *:443>
ServerName web.address.com:443
ErrorLog /var/log/apache2/app_ssl_error.log

[Code]....

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Ubuntu Security :: Unable To Deny Sudo Access To Regular User Account.

Dec 19, 2010

I made a Desktop User account. When I went on that account, it allowed me to execute sudo as if I was an administrator. I don't know what might be causing this. I do have ufw set up and blocking incoming connections. Do you guys know what might be at the root of this?Also, when I used sudo from the user account (which I shouldn't have been able to do), I provided the password for my admin account.

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Networking :: Run The Job Under A Root Account And Deny Read/write Access To A Normal User?

Jan 18, 2010

I'm setting up Ubuntu Karmic on my sister's old computer for my nephew, he's quite young so my sister asked to install some content filtering. I'll first setup an OpenDNS account and I've installed and managed to get dansguardian and squid working on a virtual machine to try it out. so far it's working pretty well, but I need to secure it form the inside out.

I was thinking of blocking specific outbound ports so he could not bypass the proxy. because by default the firefox configuration can be easily changed. so I have a couple of questions.

1. is it possible to block outgoing ports on Ubuntu?
2. is that the best method?
3. is there anything else I should be aware of to prevent subversion?

lastly, this question is probably unrelated to this board but I've set up a cron job to update a dynamic ip with OpenDNS, the problem is that the password is in clear text in the user's crontab, can I play with permissions? is it possible to run the job under a root account and deny read/write access to a normal user?

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General :: Access To Certain Directories To Ssh Users

Apr 17, 2010

I want to restrict access to certain directories to my ssh users but allow them to read files by known path from there(mostly it's meant to be done by applications).

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General :: Find Out What Users Have Access?

Mar 19, 2010

I'm a windows convert and need to know what the command for finding out all the users on a system would be. Did a ps -ef for the processes, now I Need to find out what the users are for IA.

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General :: LDAP Access Control For Users ?

Feb 16, 2010

I'm using Sun One LDAP server, (Soon to be moving to openldap). I have one Master server, no slaves, about 60 user accounts.

I'd like to add an attribute to each of the users DN's to restrict there ability to login to specific hostnames. I.e. I have hosts A, B and C. Dev staff can access A and B, but not C, and support staff need to access all of them.

I found a link at [url] which talked about using 'hostsallowedlogin' and 'hostsdeniedlogin' attributes but I'm presuming these are bespoke. If they are, how do you configure the ldap.conf to take note of these attributes when authorizing access?

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General :: Both Normal Users Are Not Able To Access Dir1

Dec 14, 2010

I have created 2 users and changed their secondary group to grp1, then changed permission for a directory dir1 to 770(no permission for others) and group to grp1.

The both normal users are not able to access dir1. How is it possible to access that Dir using general permission (770).

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General :: How To Monitor Web Access Activity Of Users In LAN

Mar 22, 2010

How to monitor web access activity in the lan without creating any inconvenience to the end users? Could any one say is there any software tool?

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General :: Restricting Users To Access A Certain Website?

Apr 22, 2010

I have an internet and mail server installed CentOS, and I want to restrict client machines to access a certain website, e.g. if i want restrict users from accessing the website: www.mydomain.com, How do I do it?

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General :: Check Which Users Have Login Access On Ubuntu 10.0.4?

Aug 25, 2010

I created some users on my Ubuntu 10.0.4 machine a long time ago (whilst experimenting). Some of these users can login to the system, and others were prevented from login in. I can't remeber which ones can login. I have the following questions:

How do I find out which users may login to the machine? How may I disable an existing user account from login in? How may I re-enable a previously (login) disabled user account so it an login again?

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General :: Users Cannot Connect To The FTP Unless Their Shell Access Is /bin/bash

Oct 4, 2009

I have a CentOS dedicated server running ProFTP. I have created user accounts which are meant for FTP access only but the users cannot connect to the FTP unless their shell access is /bin/bash

Here is an example line that is outputted when I use this command:

This user can access the FTP fine, but he can also access SSH which I don't want to allow him to do. If I set his shell access to /bin/false then he can't connect to the FTP.

What can I use in instead of /bin/bash to allow FTP but don't allow SSH?

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General :: Share One Folder Between 2 Users With Full RW Access?

Feb 23, 2011

OK, I have a very simple question.

Is it possible to share one folder between 2 users with full RW access without sharing every other directory they own outside that folder?

This seems straight forward enough to me. I've just asked it on #linux at irc.freenode.net but when we tried it became apparent that no one there could tell me how it was done.

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General :: Configure That No Any FTP User Can Access Other FTP Users Directory

Jun 18, 2010

I configured FTP server on Fedora 7.0 . I create different users with different password. I also create seprate directory for each FTP user. All are working . When I use filezilla for connecting that FTP site I can access all the directory on that server.

Now I want to configure that no any FTP user can access other FTP users directory or any other directory in server machine . What I do for this .

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General :: File Permissions - Read Or Write Access To Different Users

Jul 8, 2010

I own a particular file on a Linux system. I would like to give 2 groups (accounting, shipping) read access and only read access, and 3 users(Mike, Raj and Wally) write access and only write access. How can I accomplish this?

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General :: Root File System More Users With Different Access Before Mounting?

May 11, 2011

I need to customize linux kernel root file system for embedded linux system. During compile time, for root file system I am able to create different user/group ex: "gnumuzic/Muzic". But I want to give access to group "Muzic" to some folders like /dev/nexig during compile time.

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General :: Shared Machine Block Home Folder Access To Other Users?

Aug 17, 2010

I'm setting up a Linux machine thet'll be shared by several users, some of whom will be admins. Is there a way to restrict access to a user's home folder (encrypt or block completely) for other regular/admin users?

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General :: Grant Access To A Non Root Users To Reboot,halt,configure?

Dec 14, 2010

Is there any way to grant access to non root users to use some commands like reboot and date and some other commands that root user can work with .I tried chmod on their binaries and added them to root group but nothing happened.

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General :: Both Users Unable To Share Mounted Drive?

Aug 18, 2010

Noticed this in both Ubuntu 10.04 & now Mint 9, both Gnome. I didn't have PCLinuxOS2010 KDE installed long enough to experience it so I don't know if it's a property of Linux or part of Gnome.I have two users, both myself and my wife, and I noticed thatn I mount an internal SATA drive I can only see/access it under the user that mounted it. In order for the other user to see it I need to un-mount the drive. Drive is a 1TB SATA formatted NTFS.I can't imagine this is normal and the 2nd drive is shared for pics/data/etc. Strange quirk is that my install is on a partitioned primary drive, 320gb, that also has Windows on it so the OS must access the drive in order to boot - both users can see the mounted 215gb Windows NTFS partition simultaneously.Is there a setting that needs to be changed or is this normal?

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General :: Possible To Mount USB External Drive As R/W For Multiple Users

Jan 12, 2010

I would like to mount a (permanently) attached external USB drive so that it is writable by multiple userids. Currently HAL is mounting the drive as writable to my owner user and readable for group and others. My m/c also runs as an FTP server and I would like said FTP server to be able to write files to the external drive. Just being able to specify a gid would probably do the job for me.

I have googled HAL and UDEV and also attempted to configure usbmount to do this, all to no avail. I am running SLES 10.3. So in summary, can I & how do I either make HAL mount the drive with gid=nnn, or should I not use HAL and simply make an entry in /etc/fstab and make sure a I get the same device address for this USB drive each time I boot?

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General :: Fstab Line For Auto Mount Drive That All Users Can Read/write?

Jan 4, 2011

I have installed a cable that connects from the CPU's SATA motherboard connection to a removable drives' ESATA connection.I would like to be able to swap drives on the ESATA connection and have all users be able to read and write to these drives.I have created the directory /archive/ where I would like the drive(s) to mount.The drives are all formatted Fat 32 - but in the future I may use HFS for formatting.When I used the command (as root):mount /dev/sdc1 /archivethe drive was mounted (but read only)What can I use in my /etc/fstab file that will allow drives to be mounted and unmounted by all users on the system? (both reading and writing)Also, will I be able to mount and unmount these drives without shutting down? or will I need to reboot every time I want to change drives?

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General :: ProFTPd Deny All Except Certain IP Addresses?

May 19, 2010

How can I configure proFTPd to deny all unless:User is part of group: ftpguysClient IP matches either: 1.1.1.1 or 2.2.2.2 or 3.3.3.3I already have the config file (proftpd.conf) setup to only allow users who are part of the group ftpguys. To do that I use this:

Code:
<Limit LOGIN>
AllowGroup ftpguys

[code]...

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General :: Denyhosts Keeps Adding IP Address To Hosts.deny?

Aug 10, 2010

I have setup Denyhosts to run on my server, and have been using it succesfully for the last few weeks, to allow me to ssh into my server from my home dev machine.

This morning, I accidentally typed my password incorrectly three times - and ended up being locked out of the system (tghat was ok, because that was what was supposed to happen). I logged into the server via another way and took the following actions (in the order given)

/etc/init.d/ssh stop
/etc/init.d/denyhosts stop
removed my IP address from /etc/hosts.deny
/etc/init.d/ssh start

[Code].....

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General :: Easy Way To Explicitly Deny User Sudo Permission?

Jun 8, 2011

I am attempting to configure my sudoers file, and have quite a few questions.If you can answer any/all of them, I would be grateful.

-Is there a way to set it up so that root gets notified if a user tries to use a command they are not allowed to?

-If something like this already exists on my system, how do I set it up/use it/ read root's messages?

-I see a lecture=always default exists, but can I customize this lecture?

-Is there an easy way to explicitly deny a user sudo permission?

-I see there is an ALL wildcard. Is there something similar to a NONE wildcard?

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General :: Deny Root2 To Change Password Of Original Root

Aug 5, 2010

I created 2nd root (root2) by running useradd -o -u 0 root2 is it possible to deny root2 to change password of original root?

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