samba_unconfined_net_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : samba_unconfined_net
Note : SELinux Policy samba_unconfined_net
NAMEsamba_unconfined_net_selinux − Security Enhanced Linux Policy for the samba_unconfined_net processes
DESCRIPTIONSecurity-Enhanced Linux secures the samba_unconfined_net processes via flexible mandatory access control. The samba_unconfined_net processes execute with the samba_unconfined_net_t SELinux type. You can check if you have these processes running by executing the ps command with the −Z qualifier. For example: ps -eZ | grep samba_unconfined_net_t
ENTRYPOINTSThe samba_unconfined_net_t SELinux type can be entered via the samba_net_exec_t file type. The default entrypoint paths for the samba_unconfined_net_t domain are the following: /usr/bin/net
PROCESS TYPESSELinux defines process types (domains) for each process running on the system You can see the context of a process using the −Z option to ps Policy governs the access confined processes have to files. SELinux samba_unconfined_net policy is very flexible allowing users to setup their samba_unconfined_net processes in as secure a method as possible. The following process types are defined for samba_unconfined_net: samba_unconfined_net_tNote: semanage permissive -a samba_unconfined_net_t can be used to make the process type samba_unconfined_net_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated.
BOOLEANSSELinux policy is customizable based on least access required. samba_unconfined_net policy is extremely flexible and has several booleans that allow you to manipulate the policy and run samba_unconfined_net with the tightest access possible. If you want to deny user domains applications to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla, you must turn on the deny_execmem boolean. Enabled by default. setsebool -P deny_execmem 1 If you want to control the ability to mmap a low area of the address space, as configured by /proc/sys/vm/mmap_min_addr, you must turn on the mmap_low_allowed boolean. Disabled by default. setsebool -P mmap_low_allowed 1 If you want to disable kernel module loading, you must turn on the secure_mode_insmod boolean. Enabled by default. setsebool -P secure_mode_insmod 1 If you want to allow unconfined executables to make their heap memory executable. Doing this is a really bad idea. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla, you must turn on the selinuxuser_execheap boolean. Disabled by default. setsebool -P selinuxuser_execheap 1 If you want to allow unconfined executables to make their stack executable. This should never, ever be necessary. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla, you must turn on the selinuxuser_execstack boolean. Enabled by default. setsebool -P selinuxuser_execstack 1
MANAGED FILESThe SELinux process type samba_unconfined_net_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions.
file_type all files on the system
COMMANDSsemanage fcontext can also be used to manipulate default file context mappings. semanage permissive can also be used to manipulate whether or not a process type is permissive. semanage module can also be used to enable/disable/install/remove policy modules. semanage boolean can also be used to manipulate the booleans system-config-selinux is a GUI tool available to customize SELinux policy settings.
AUTHORThis manual page was auto-generated using sepolicy manpage".
SEE ALSOselinux(8), samba_unconfined_net(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8) 0
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