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Commit | Line | Data |
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1a4240f4 WL |
1 | # |
2 | # Configuration for DNS Resolver | |
3 | # | |
4 | config DNS_RESOLVER | |
5 | tristate "DNS Resolver support" | |
6 | depends on NET && KEYS | |
7 | help | |
8 | Saying Y here will include support for the DNS Resolver key type | |
9 | which can be used to make upcalls to perform DNS lookups in | |
10 | userspace. | |
11 | ||
12 | DNS Resolver is used to query DNS server for information. Examples | |
13 | being resolving a UNC hostname element to an IP address for CIFS or | |
14 | performing a DNS query for AFSDB records so that AFS can locate a | |
15 | cell's volume location database servers. | |
16 | ||
17 | DNS Resolver is used by the CIFS and AFS modules, and would support | |
5227bbb0 | 18 | SMB2 later. DNS Resolver is supported by the userspace upcall |
1a4240f4 WL |
19 | helper "/sbin/dns.resolver" via /etc/request-key.conf. |
20 | ||
21 | See <file:Documentation/networking/dns_resolver.txt> for further | |
22 | information. | |
23 | ||
24 | To compile this as a module, choose M here: the module will be called | |
25 | dnsresolver. | |
26 | ||
27 | If unsure, say N. |