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1answer
113 views

vsftpd hides certain extensions, how to disable it?

I just enabled vsftpd on my laptop (Fedora 18 if that matters and vsftpd version 3.0.2) and tried to connect to it with my Android phone: success! Still, some minutes later, I stumbled upon a folder ...
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1answer
1k views

Configuring SELINUX to allow logging to a file that's outside /var/log

I have a daemon that uses syslog(3) to log to a file that is not a descendant of /var/log. Currently, this requires that SELINUX be disabled. How can I configure an enabled SELINUX to allow this ...
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1answer
903 views

Cannot write samba shares

Running samba 3.5 on Red Hat Enterprise 6.1 I'm having issues sharing two folders. Here is the output of testparm: [global] workgroup = DOMAINNAME server string = Samba Server Version %v ...
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1answer
280 views

SELinux - CentOSx86_64: User command limitation

SELinux - CentOSx86_64: User command limitation Is SELinux the right tool for this job? If so, what is the best way to do it? I would like to limit a particular user to only running some list of ...
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1answer
538 views

Empty folder and kernel panic when trying to get SELinux working

I have very strange things with SELinux. My post may be will bit disordered, because I'm not completely understand what is going on. Before all the story, I had good and very stable Linux ...
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1answer
197 views

“Slave” user accounts in GNU/Linux

How to make one user account to be like root for some other user account, e.g. to be able to read, write, chmod all it's files, chown from this account to master and back, kill/ptrace all it's ...
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1answer
181 views

Permission denied even with 777 and disabled selinux

On a centos 6.5 machine I wanted to create a general user, where its home directory is shared among many users, called shareduser /home/shareduser has mod 700 Then the shared folder is called: ...
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1answer
295 views

How can I run Skype under an SELinux sandbox?

I would like to run Skype under an SELinux sandbox, to protect my computer. However I get the following error: usr/bin/skype: error while loading shared libraries: /lib/libQtWebKit.so.4: cannot ...
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1answer
74 views

Disabled SELinux then rebooted, but reboot seems to have hanged?

I disabled SELinux by editing /etc/selinux/config to include the line SELINUX=disabled This change requires rebooting to activate, so I did that. I'm now sitting in front of a black screen with ...
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1answer
665 views

SELinux forbids access to httpd userdir

I am running a CentOS machine. I want to serve user directories with Apache, so I configured httpd.conf to allow the public_html directory. I have added the apache user to my usergroup and chmod g+xr ...
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1answer
273 views

Disable SELinux context

I've a RHEL 5 machine with SELinux disabled. sestatus -v SELinux status: disabled What is the effect of SELinux context on a user's home directory? ls -lZ -d zxtdfg drwx------ zxtdfg dba ...
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1answer
303 views

fsarchiver utility in order to make restore

I use the fsarchiver in order to make restore as the following link: http://www.icewalkers.com/Linux/Software/535640/fsarchiver.html command: fsarchiver restfs /tmp/backup/c0d0p2.fsa ...
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1answer
443 views

Sandbox tool on OpenSUSE with operation not permited

I have installed Se Linux on my OpenSUSE 11.3 system. All configuration are correct. When I use the sandbox tool: > LANG=C sandbox -X -H sehome -T tmp -t sandbox_web_t firefox /usr/bin/chcon: ...
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0answers
48 views

Is there anyway you can restrict users from executing a command with another name?

I'm not asking an obvious question here. I would like to elucidate with an example. A user 'bob' is always executing 'chmod 777 /home/bob/impfiles' so that user 'alice' could make changes to the ...
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0answers
37 views

What are the improvements of Flask compared with traditional MAC?

I know that traditional MAC has limitations, like that it provides poor support for data and application integrity, separation of duty, and least privilege requirements. So NSA and SCC developed a ...
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0answers
660 views

SELinux issues when adding rules

On my laptop I use Fedora 17 distro for the first time and I'm having some issues adding rules to semodule An example: # grep httpd /var/log/audit/audit.log | audit2allow -M mypol # semodule -i ...
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0answers
604 views

Allow SSH Password Login on Local Network

I have a home server running Fedora 16 I'd like to be able to access remotely via SSH. For users with sudo access, they should only be allowed to connect from the WAN with a key, but I want to allow ...
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0answers
17 views

HIPS for Linux (ie, interactive SELinux/AppArmor)

Windows has a number of programs (generally referred to as Host-based Intrusion Prevention Systems) that offer protection against difficult security threats (such as zero-day exploits) by blocking ...
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0answers
30 views

Does use of SELinux help mitigate buffer/heap-overflow vulnerabilities like glibc/Ghost?

Can using a mandatory access control solution (like SELinux) help to limit the vulnerability of a system to buffer/heap-overflow exploits like the newfound Ghost vulnerability in glibc? (I realize ...
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0answers
16 views

SELinux Error with chcat “Requires at least one category”

I have been trying to figure out what's wrong with my chcat syntax. I keep running into this issue: root@dangerzone:~# chcat -l -- +SystemLow,+SystemHigh john /usr/bin/chcat: Requires at least one ...
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0answers
30 views

restorecon in CentOS does not follow fcontext order

Experimenting with file contexts, I have faced a strange behaviour and it looks to me I'm missing something. Here's what I do: Create a bunch of directories and files # mkdir -p /virtual/www/cgi-bin ...
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0answers
43 views

OpenShift Origin: isolating application containers from local network

My network with OpenShift Origin is setup like this: A firewall running pfSense (172.16.0.1 + external IP) A ProCurve J9029A switch (if that helps...) An Ubuntu-based Virtualbox hypervisor ...
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0answers
512 views

How to allow apache to execute R binary from PHP exec() without disabling SELinux?

I have R installed in /opt/R of webserver. I need to execute script.r (In R BATCH mode) that is on directory /var/www/html/ using PHP function exec(). SELinux is enabled in the webserver. I suppose ...