LittleChest/dns-packet-polyfill
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silverwind 2019-02-21 23:33:07 +01:00
parent 4932026f66
commit c8fd22c8a1
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2 changed files with 12 additions and 9 deletions
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18
README.md
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@ -262,25 +262,27 @@ And an answer, additional, or authority looks like this
code: 12, code: 12,
data: Buffer.alloc(31) data: Buffer.alloc(31)
}, { }, {
// Several EDNS0 options have explicit support // Several EDNS0 options have enhanced support
code: 'padding', code: 'PADDING',
length: 31 length: 31,
}, { }, {
code: 'CLIENT-SUBNET', code: 'CLIENT_SUBNET',
family: 2, // 1 for IPv4, 2 for IPv6 family: 2, // 1 for IPv4, 2 for IPv6
sourcePrefixLength: 64, // used to truncate IP address sourcePrefixLength: 64, // used to truncate IP address
scopePrefixLength: 0, scopePrefixLength: 0,
ip: 'fe80::' ip: 'fe80::',
}, { }, {
code: 'tcp-keepalive', code: 'TCP_KEEPALIVE',
timeout: 150 // increments of 100ms. This means 15s. timeout: 150 // increments of 100ms. This means 15s.
}, { }, {
code: 'key-tag', code: 'KEY_TAG',
tags: [1, 2, 3] tags: [1, 2, 3],
}] }]
} }
``` ```
The options `PADDING`, `CLIENT_SUBNET`, `TCP_KEEPALIVE` and `KEY_TAG` support enhanced de/encoding. See [optionscodes.js](https://github.com/mafintosh/dns-packet/blob/master/optioncodes.js) for all supported option codes. If the `data` property is present on a option, it takes precedence. On decoding, `data` will always be defined.
#### `PTR` #### `PTR`
``` js ``` js

3
package.json
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@ -37,6 +37,7 @@
"types.js", "types.js",
"rcodes.js", "rcodes.js",
"opcodes.js", "opcodes.js",
"classes.js" "classes.js",
"optioncodes.js"
] ]
} }