SElinux is preventing iptables-save

[pfg1]

Προσπαθώντας να στήσω έναν vnc server σε ένα μηχάνημα με Fedora 9 σύμφωνα με τον παρακάτω οδηγό: Vncserver Setup — Fedora Unity Project αντιμετωπίζω το εξής πρόβλημα.

 

Ανοίγοντας τις ports που θέλω στο iptables και όταν πάω να κάνω save rule

>su -c '/sbin/iptables-save > /etc/sysconfig/iptables'

ένα pop up window ανοίγει και

SELinux

AVC denial

και δεν κρατάει τα rules...

Παραθέτω ακριβώς τι γράφει στο SELinux Troubleshooter:

Summary

SELinux is preventing iptables-save (iptables_t) "write" to /etc/sysconfig/iptables (etc_t).

 

Detailed Description

SELinux is preventing iptables-save (iptables_t) "write" to /etc/sysconfig/iptables (etc_t). The SELinux type etc_t, is a generic type for all files in the directory and very few processes (SELinux Domains) are allowed to write to this SELinux type. This type of denial usual indicates a mislabeled file. By default a file created in a directory has the gets the context of the parent directory, but SELinux policy has rules about the creation of directories, that say if a process running in one SELinux Domain (D1) creates a file in a directory with a particular SELinux File Context (F1) the file gets a different File Context (F2). The policy usually allows the SELinux Domain (D1) the ability to write, unlink, and append on (F2). But if for some reason a file (/etc/sysconfig/iptables) was created with the wrong context, this domain will be denied. The usual solution to this problem is to reset the file context on the target file, restorecon -v '/etc/sysconfig/iptables'. If the file context does not change from etc_t, then this is probably a bug in policy. Please file a bug report against the selinux-policy package. If it does change, you can try your application again to see if it works. The file context could have been mislabeled by editing the file or moving the file from a different directory, if the file keeps getting mislabeled, check the init scripts to see if they are doing something to mislabel the file.

 

Allowing Access

You can attempt to fix file context by executing restorecon -v '/etc/sysconfig/iptables'

 

Fix Command

restorecon '/etc/sysconfig/iptables'

 

Αυτό που πρέπει να κάνω είναι να απενεργοποίησω το selinux για την υπηρεσία που θέλω να τρέξω, αλλά δεν ξέρω ακριβώς ποιά είναι αυτή...

Καμιά ιδέα;

[pfg1]

Βρήκα εδώ Fedora Core 5 SELinux FAQ: "I have some avc denials that I would like to allow, how do I do this?":

 

Σύμφωνα με:

To create a module allowing all the denials since the last reboot that you can then customize, execute the following:

>audit2allow -m local -l -i /var/log/messages > local.te

οπότε λέω να ξανακάνω τη διαδικασία και αφού πάρω το AVC denial να τρέξω το παραπάνω.

 

Πρότου όμως το κάνω, σύμφωνα με το παρακάτω

IMPORTANT

In order to load this newly created policy package into the kernel, you are required to execute semodule -i local.pp

 

πώς μπορώ να το φορτώνω αυτόματα ώστε να μην κάνω αυτή τη διαδικασία κάθε φορά (ή μήπως δεν χρειάζεται να το κάνω κάθε φορά);