config system dns
Configure DNS.
config system dns
Description: Configure DNS.
set primary {ipv4-address}
set secondary {ipv4-address}
set protocol {option1}, {option2}, ...
set ssl-certificate {string}
set server-hostname <hostname1>, <hostname2>, ...
set domain <domain1>, <domain2>, ...
set ip6-primary {ipv6-address}
set ip6-secondary {ipv6-address}
set timeout {integer}
set retry {integer}
set dns-cache-limit {integer}
set dns-cache-ttl {integer}
set cache-notfound-responses [disable|enable]
set source-ip {ipv4-address}
set interface-select-method [auto|sdwan|...]
set interface {string}
set server-select-method [least-rtt|failover]
set alt-primary {ipv4-address}
set alt-secondary {ipv4-address}
set log [disable|error|...]
set fqdn-cache-ttl {integer}
set fqdn-min-refresh {integer}
end
config system dns
|
Parameter |
Description |
Type |
Size |
Default |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
primary |
Primary DNS server IP address. |
ipv4-address |
Not Specified |
0.0.0.0 |
||||||||
|
secondary |
Secondary DNS server IP address. |
ipv4-address |
Not Specified |
0.0.0.0 |
||||||||
|
protocol |
DNS transport protocols. |
option |
- |
cleartext |
||||||||
|
|
|
|||||||||||
|
ssl-certificate |
Name of local certificate for SSL connections. |
string |
Maximum length: 35 |
Fortinet_Factory |
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|
server-hostname |
DNS server host name list. DNS server host name list separated by space (maximum 4 domains). |
string |
Maximum length: 127 |
|
||||||||
|
domain |
Search suffix list for hostname lookup. DNS search domain list separated by space (maximum 8 domains). |
string |
Maximum length: 127 |
|
||||||||
|
ip6-primary |
Primary DNS server IPv6 address. |
ipv6-address |
Not Specified |
:: |
||||||||
|
ip6-secondary |
Secondary DNS server IPv6 address. |
ipv6-address |
Not Specified |
:: |
||||||||
|
timeout |
DNS query timeout interval in seconds. |
integer |
Minimum value: 1 Maximum value: 10 |
5 |
||||||||
|
retry |
Number of times to retry. |
integer |
Minimum value: 0 Maximum value: 5 |
2 |
||||||||
|
dns-cache-limit |
Maximum number of records in the DNS cache. |
integer |
Minimum value: 0 Maximum value: 4294967295 |
5000 |
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|
dns-cache-ttl |
Duration in seconds that the DNS cache retains information. |
integer |
Minimum value: 60 Maximum value: 86400 |
1800 |
||||||||
|
cache-notfound-responses |
Enable/disable response from the DNS server when a record is not in cache. |
option |
- |
disable |
||||||||
|
|
|
|||||||||||
|
source-ip |
IP address used by the DNS server as its source IP. |
ipv4-address |
Not Specified |
0.0.0.0 |
||||||||
|
interface-select-method |
Specify how to select outgoing interface to reach server. |
option |
- |
auto |
||||||||
|
|
|
|||||||||||
|
interface |
Specify outgoing interface to reach server. |
string |
Maximum length: 15 |
|
||||||||
|
server-select-method |
Specify how configured servers are prioritized. |
option |
- |
least-rtt |
||||||||
|
|
|
|||||||||||
|
alt-primary |
Alternate primary DNS server. This is not used as a failover DNS server. |
ipv4-address |
Not Specified |
0.0.0.0 |
||||||||
|
alt-secondary |
Alternate secondary DNS server. This is not used as a failover DNS server. |
ipv4-address |
Not Specified |
0.0.0.0 |
||||||||
|
log |
Local DNS log setting. |
option |
- |
disable |
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|
|
|
|||||||||||
|
fqdn-cache-ttl |
FQDN cache time to live in seconds. |
integer |
Minimum value: 0 Maximum value: 86400 |
0 |
||||||||
|
fqdn-min-refresh |
FQDN cache minimum refresh time in seconds. |
integer |
Minimum value: 10 Maximum value: 3600 |
60 |
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