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Diffstat (limited to 'Documentation/networking/dns_resolver.txt')
| -rw-r--r-- | Documentation/networking/dns_resolver.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/networking/dns_resolver.txt b/Documentation/networking/dns_resolver.txt index 7f531ad83285..d86adcdae420 100644 --- a/Documentation/networking/dns_resolver.txt +++ b/Documentation/networking/dns_resolver.txt | |||
| @@ -102,6 +102,10 @@ implemented in the module can be called after doing: | |||
| 102 | If _expiry is non-NULL, the expiry time (TTL) of the result will be | 102 | If _expiry is non-NULL, the expiry time (TTL) of the result will be |
| 103 | returned also. | 103 | returned also. |
| 104 | 104 | ||
| 105 | The kernel maintains an internal keyring in which it caches looked up keys. | ||
| 106 | This can be cleared by any process that has the CAP_SYS_ADMIN capability by | ||
| 107 | the use of KEYCTL_KEYRING_CLEAR on the keyring ID. | ||
| 108 | |||
| 105 | 109 | ||
| 106 | =============================== | 110 | =============================== |
| 107 | READING DNS KEYS FROM USERSPACE | 111 | READING DNS KEYS FROM USERSPACE |