Fedora Security :: SELinux Context For Cgi-bin?

Oct 20, 2010

I'm attempting to get MapServer running on my Fedora 13 computer. I was able to install with the package manager, and the executable (mapserv) was originally placed in /usr/sbin. But I need it in /var/www/cgi-bin to work on the webserver. So I copied the file to the right location. Unfortunately, it doesn't have the correct SELinux context. Here's the message from the troubleshooter:

SELinux denied access requested by /var/www/cgi-bin/mapserv. /var/www/cgi-bin/mapserv is mislabeled. /var/www/cgi-bin/mapserv default type is httpd_sys_script_exec_t, but its current type is httpd_sys_script_exec_t. Changing this file back to the default type, may fix your problem.

How's that for circular logic? Does anyone have an idea what the correct SELinux context for a cgi-bin executable might be?

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Fedora Security :: Wrong SELinux Context On /etc/sudoers?

Nov 21, 2010

I'm suspicious that the context of /etc/sudoers is wrong. During the last upgrade to Fedora 14, RPM dropped /etc/sudoers.rpmnew, which had a different context than the real sudoers file. But, when I try to get SELinux to relabel the file (using restorecon or fixfiles), it refuses to make a change.

> ls -lZ /etc/sudoers
-r--r-----. root root unconfined_u:object_r:etc_t:s0 /etc/sudoers
> matchpathcon /etc/sudoers

[code]....

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Red Hat / Fedora :: Selinux Security Alerts - Change File Context?

Apr 26, 2010

I receive messages such as the below:

SELinux is preventing /usr/sbin/httpd from using potentially mislabeled filesjk-runtime-status. SELinux has denied the httpd access to potentially mislabeled filesjk-runtime-status. This means that SELinux will not allow httpd to use these files. If httpd should be allowed this access to these files you should change the file context to one of the following types, httpd_tmp_t,

I know how to change the owner of a file and the permissions but what does it mean to change the file context?

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General :: SElinux Security Context Type & Booleans In FTP/vsftpd?

Sep 13, 2010

What are the SElinux security context type & booleans in FTP/vsftpd

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General :: Error: Security Context Requested, Bu No Selinux Support! Aborting

Apr 19, 2010

I try to install IPsec-Tools on Slackware 13, but I get an configure error: configure: error: Security Context requested, bu no selinux support! Aborting. I'm linux newbie and I'm following a slackware-basics tutorial, I did as in the tutorial, but the configure stops and aborts:

Code:
# CFLAGS="-O2 -march=i486 -mcpu=i686"
./configure --prefix=/usr
--sysconfdir=/etc
--localstatedir=/var

[Code]...
What can I do? How can I enable/install selinux support? I guess it's related with AH and ESP protocols, which in my kernel are defined as modules (m). If so, how can I enable them?

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Fedora :: SELinux Context - Allow Apache's Http Daemon To Use Arp (for Getting Some Mac Addresses)

Apr 13, 2010

I'm working with Fedora and SELinux and am having a problem. I need to allow apache's http daemon to use arp (for getting some mac addresses). I have changed the type of the arp executable to httpd_sys_context_t but am still having an issue. Here is the messages log: Detailed Description:

[Code]...

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Fedora :: 12 SELinux Context Not Updated When Changing User's Home Directory

Feb 15, 2010

I was setting up a Samba server and I ran into some problems with SELinux related to the context of the home directories. I made a user account, say "UserAccount", with a default home directory "home/UserAccount". Afterwards I realized that I needed to move the home directory of this particular user to another location, say "/home2/UserAccount". So I created the new directory, changed the permissions, and used Gnome's system-config-user to change the user's home directory.

I then set-up the Samba server, activated samba_run_unconfined and samba_enable_home_dirs in SELinux, and made an account for UserAccount. When testing the Samba account for UserAccount SELinux denied read access. I checked the context and the new home directory did not appeared to have been updated. I had to manually run:

restorecon -R -v /home2/UserAccount

to set the context on the new home directory. I'm not very familiar with SELinux, so my question is this: is this normal security policy or is a bug in the system-config-user tool? If it's normal policy can someone explain why? I'm always ready to learn Distro: Fedora 12 (kernel: 2.6.31.5-127.fc12.i686) System: Dual Intel Xeon @ 3.2 GHz, 1 GB RAM

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General :: Accidently Reset SELINUX Context For /var Folder Permissions?

Jan 30, 2011

I accidently reset the SELINUX context on the /var folder from "var_t" to user data. Now I cant go back and set it to "var_t" and i cant access my website anymore

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Fedora Security :: Wierd SeLinux Security Alerts \ Got:Code:Summary: System May Be Seriously Compromised?

Apr 13, 2011

this is the allert i got:Code:Summary:Your system may be seriously compromised! /usr/sbin/NetworkManager tried to loada kernel module.Detailed Description:SELinux has prevented NetworkManager from loading a kernel module. All confinedprograms that need to load kernel modules should have already had policy writtenfor them. If a compromised application tries to modify the kernel this AVC willbe generated. This is a serious issue.Your system may very well be compromised.Allowing Access:Contact your security administrator and report this issue.Additional Information:

Source Context system_u:system_r:NetworkManager_t:s0
Target Context system_u:system_r:NetworkManager_t:s0
Target Objects None [ capability ]

[code]....

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Fedora :: Security Context During Login While Entering GDM

May 3, 2011

After entering the gdm I'm being asked "Would you like to enter a Security Context [N]?" during login. I've had a look around online but can find nothing final about this.

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Fedora Security :: Selinux Not Enabled?

Nov 10, 2010

Trying to keep selinux enabled. When I start SeLinux Troubleshooter from the menu, which is inautostart as well, It tells me SELinux not enabled, sealert will not run on nonSELinus systems".How do I get SELinux permanently started then

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Fedora Security :: How To Enable The SELinux

Jan 17, 2011

My newly installed Fedora-14 (64-bit) has SELinux disabled. I can't find any way to enable it. I tried to set it manually in /etc/selinux/config to enforcing or permissive but nothing happens after reboot. In GUI configuration tool it is set to disabled and grayed out so that there is no way to enable it there. Is there another way to enable SELinux?

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Fedora Security :: SELinux Not Enforcing?

Apr 30, 2011

I tried to log in to my xguest account and it asked for a password, which it shouldn't, so there's a problem with SELinux.When I type getenforce it says it is disabled, yet when I go to /etc/selinux and look at the config, it is in enforcing mode and not commented out, type is strict.When I go to the SELinux management GUI I can't change the current enforcing mode and it's set to disabled and default to enforcing.

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Fedora Security :: Prevent Firefox With SELinux?

May 11, 2009

I am new to Fedora 10, and to SELinux too.

I would like to know how can I prevent from users with role user_r to connect to Internet with firefox.

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Fedora Security :: SELinux Is Blocking Ipod?

Jul 8, 2009

I am running Fedora 11 and every time i plug in my iPod it tells me... SELinux is preventing mkdir (podsleuth_t) "read" security_t ... I have no idea on how to create a policy module to allow access.

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Fedora Security :: SELinux Relabel Every 3 Boot?

Mar 29, 2010

I get a SELinux relabel often even without changing stuff. SELinux troubleshoot doesn't show any error nor are there any messages in /log/messages that give any clue. Where should I look to see whats happening ?

2.6.31.12-174.2.22.fc12.x86_64
selinux-policy-3.6.32-103.fc12

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Fedora Security :: SELinux Really Necessary For Home Desktop?

Jul 11, 2010

I wonder if SELinux really are necessary for a home desktop ?
It only makes my computer use more problematic than it already is.
What can happend if I uninstall it on my Fedora 13 dist ?
Is the hole Internet going to come in to my computer and destroy it ?

If I uninstall SELinux, is the firewall uninstalled also ?

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Fedora Security :: SELinux Has Broken Bugzilla

Jul 19, 2010

I have recently upgraded from FC12 to FC13, and last week I updated all packages using YUM. The system is running as a VM inside CentOS 5.5 using KVM. SELinux is enforcing, using the targeted policy. Bugzilla is version 3.6.1 and was NOT installed using RPM or YUM.

Bugzilla was working OK on this machine until SELinux was upgraded last week from 3.7.19-28 to 3.7.19-33, and is still broken after testing 3.7.19-37 from the testing repo. With SELinux in enforcing mode, apache returns error 500 when I browse to the main bugzilla page. The apache error log shows this:-

Code:
[Mon Jul 19 13:15:08 2010] [error] [client 192.168.40.1] (13)Permission denied: exec of '/var/www/html/bugzilla/index.cgi' failed
Nothing, and I mean absolutely nothing, is recorded in /var/log/audit/audit.log, /var/log/messages or /var/log/secure.

[Code]....

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Fedora Security :: SELinux Warning On Rkhunter?

Mar 17, 2011

i get this warning from selinux :

"SELinux is preventing /bin/mailx from append access on the file /var/lib/rkhunter/rkhcronlog.OmRFCZOynG."

I tried to fix it by "# /sbin/restorecon -v /var/lib/rkhunter/rkhcronlog.OmRFCZOynG" as suggested by SELinux but it comes back with another warning, but with a different /rkhcronlog.xxxxxxxxx...

i think its just a way of rkhunter logging issue -. attached here is the actual error message by selinux.

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Fedora Security :: SELinux Troubleshooter Missing

Jul 20, 2011

I just install Fedora 15 and I see the SELinux Policy Genertation Tool and the SELinux Administration application in the app launcher but I do not see the SELinux Troubleshooter app. I seems to be missing. How do I get it on my system?

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Fedora Security :: SELinux Policy Changing In 15

Jul 24, 2011

I need to change SELinux policy to permissive and then back to enforced for an installation. I understand that I should be able to do that through the SELinux Administration window accessed through System -> Administration ->SELinux Management. But I do not have any real sysadmin tools available in my Fedora 15 Gnome Gui interface. Am I missing something, or should I use some sort of similar command line tool to do this?

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Fedora Security :: SELinux - Update Stopped Printing

Mar 6, 2009

I know very little about SE Linux and I've heard that in some situations it's better to disable it. For a home user, is it important? Does it improve your life ? or does it get in the way ?

Last week some update stopped my printing and I had to install the new hplip from HP because it wasn't in the Fedora repos to correct the problem. I don't know if SELinux had anything to do with it, but today when I disabled SELinux a few minutes later I get a star up on the toolbar and when I clicked on it it mentioned something about hplip. It wouldn't make any sense to me but maybe this has happened to others.

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Fedora Security :: SElinux Is Blocking My Internet Connection

Mar 15, 2009

SElinux is blocking my internet connection and every time when I connect t the internet (pppoe connection) I ge message.

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Fedora Security :: How To Create A Totally New SELinux User

Jun 4, 2009

Currently working on the targeted policy, I need a help in doing the following things as quick as possible:

1- How to create a totally new SELinux user (not mapping new linux user to SELinux user) I want a new user with no roles or with a maximum of 1 role. I also need how to compile the new user so I can used it for mapping users. At the time, I've tried creating a new file inside /etc/selinux/targeted/contexts/users similar to the other users inside this directory, but it did not actually seem to appear when using the command semanage to list SELinux users : semanage user -l
2- How to create a totally new SELinux role (empty for now) ? and how to make the relation between this new role and domains or types.
3- How to create new domain, actually following some old instructions I created the .fc and .te files, but not the .if file, which is more complicated than the other 2 file.

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Fedora Security :: Restricting Xattr Flags With Selinux ?

Jul 12, 2009

I've got a question about chattr command. is it possible to restrict a root access for this command. what i want is something similar to freebsd behaviour aka the kernel secure level. setting a particular security level results in limiting some operations (i.e changing immutable flags on files) by root. well, if someone gained an access to a machine in some way, nothing would stop him changing the file's flags. so the question is if it can be achieved with selinux?

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Fedora Security :: SELinux Stopping Dial Up Connection?

Aug 6, 2009

well after spending most of the morning getting help with my internet connection hanging when I dial up we discover that SELinux is causing it so when I set it to passive I can connect so how can I get it to allow me to connect while being set to enforcing?

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Fedora Security :: Install Vmware - Must Disable Selinux ?

Aug 17, 2009

I plan to install vmware but I had some problems...So I looked over the internet and I found that I must disable selinux....is this true? It means that I must have to disable the selinux for ever? And then, will my System be safe?

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Fedora Security :: SElinux Apache Upload Denied

Jun 22, 2010

I want to be able to created directories and upload files (images mostly) via a php web page. The directory structure is a throwback to windows and I really really don't want to have to change it because there are so many files/links already there.

/cust/cust_name/site/version/web (all html/php files go here)

I want to be able to edit the files with a 3rd party tool (SSH based). These are small orgs, like my church, local community club, sports team, etc., so file ownership needs to sync with the editor, not apache.

[Code].....

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Fedora :: SELinux Trouble Shooter About A Security Alert?

Jul 30, 2010

I sue Fedora 13. Since a few times ago, every time when I start the computer, it appears a message of SELinux trouble shooter about a security alert. But most of times there are no errors to show.

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Fedora Security :: Guide To Setup Samba With Selinux?

Nov 11, 2010

I have a removable USB drive formated with NTFS. I enabled all the samba boolians in the SElinux GUI but it still doesn't seem to work. If i put it on permissive it will work. What more is there that i need to do to get my directories to show up on samba with selinux enabled?

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