2 # Security configuration
5 menu "Security options"
8 bool "Enable access key retention support"
10 This option provides support for retaining authentication tokens and
11 access keys in the kernel.
13 It also includes provision of methods by which such keys might be
14 associated with a process so that network filesystems, encryption
15 support and the like can find them.
17 Furthermore, a special type of key is available that acts as keyring:
18 a searchable sequence of keys. Each process is equipped with access
19 to five standard keyrings: UID-specific, GID-specific, session,
22 If you are unsure as to whether this is required, answer N.
24 config KEYS_DEBUG_PROC_KEYS
25 bool "Enable the /proc/keys file by which all keys may be viewed"
28 This option turns on support for the /proc/keys file through which
29 all the keys on the system can be listed.
31 This option is a slight security risk in that it makes it possible
32 for anyone to see all the keys on the system. Normally the manager
33 pretends keys that are inaccessible to a process don't exist as far
34 as that process is concerned.
37 bool "Enable different security models"
40 This allows you to choose different security modules to be
41 configured into your kernel.
43 If this option is not selected, the default Linux security
46 If you are unsure how to answer this question, answer N.
48 config SECURITY_NETWORK
49 bool "Socket and Networking Security Hooks"
52 This enables the socket and networking security hooks.
53 If enabled, a security module can use these hooks to
54 implement socket and networking access controls.
55 If you are unsure how to answer this question, answer N.
57 config SECURITY_NETWORK_XFRM
58 bool "XFRM (IPSec) Networking Security Hooks"
59 depends on XFRM && SECURITY_NETWORK
61 This enables the XFRM (IPSec) networking security hooks.
62 If enabled, a security module can use these hooks to
63 implement per-packet access controls based on labels
64 derived from IPSec policy. Non-IPSec communications are
65 designated as unlabelled, and only sockets authorized
66 to communicate unlabelled data can send without using
68 If you are unsure how to answer this question, answer N.
70 config SECURITY_CAPABILITIES
71 tristate "Default Linux Capabilities"
74 This enables the "default" Linux capabilities functionality.
75 If you are unsure how to answer this question, answer Y.
77 config SECURITY_ROOTPLUG
78 tristate "Root Plug Support"
79 depends on USB && SECURITY
81 This is a sample LSM module that should only be used as such.
82 It prevents any programs running with egid == 0 if a specific
83 USB device is not present in the system.
85 See <http://www.linuxjournal.com/article.php?sid=6279> for
86 more information about this module.
88 If you are unsure how to answer this question, answer N.
90 config SECURITY_SECLVL
91 tristate "BSD Secure Levels"
96 Implements BSD Secure Levels as an LSM. See
97 <file:Documentation/seclvl.txt> for instructions on how to use this
100 If you are unsure how to answer this question, answer N.
102 source security/selinux/Kconfig