xref: /aosp_15_r20/external/curl/docs/cmdline-opts/ipv6.md (revision 6236dae45794135f37c4eb022389c904c8b0090d)
1*6236dae4SAndroid Build Coastguard Worker---
2*6236dae4SAndroid Build Coastguard Workerc: Copyright (C) Daniel Stenberg, <[email protected]>, et al.
3*6236dae4SAndroid Build Coastguard WorkerSPDX-License-Identifier: curl
4*6236dae4SAndroid Build Coastguard WorkerShort: 6
5*6236dae4SAndroid Build Coastguard WorkerLong: ipv6
6*6236dae4SAndroid Build Coastguard WorkerTags: Versions
7*6236dae4SAndroid Build Coastguard WorkerProtocols:
8*6236dae4SAndroid Build Coastguard WorkerAdded: 7.10.8
9*6236dae4SAndroid Build Coastguard WorkerMutexed: ipv4
10*6236dae4SAndroid Build Coastguard WorkerRequires:
11*6236dae4SAndroid Build Coastguard WorkerHelp: Resolve names to IPv6 addresses
12*6236dae4SAndroid Build Coastguard WorkerCategory: connection dns
13*6236dae4SAndroid Build Coastguard WorkerMulti: mutex
14*6236dae4SAndroid Build Coastguard WorkerSee-also:
15*6236dae4SAndroid Build Coastguard Worker  - http1.1
16*6236dae4SAndroid Build Coastguard Worker  - http2
17*6236dae4SAndroid Build Coastguard WorkerExample:
18*6236dae4SAndroid Build Coastguard Worker  - --ipv6 $URL
19*6236dae4SAndroid Build Coastguard Worker---
20*6236dae4SAndroid Build Coastguard Worker
21*6236dae4SAndroid Build Coastguard Worker# `--ipv6`
22*6236dae4SAndroid Build Coastguard Worker
23*6236dae4SAndroid Build Coastguard WorkerUse IPv6 addresses only when resolving hostnames, and not for example try
24*6236dae4SAndroid Build Coastguard WorkerIPv4.
25*6236dae4SAndroid Build Coastguard Worker
26*6236dae4SAndroid Build Coastguard WorkerYour resolver may respond to an IPv6-only resolve request by returning IPv6
27*6236dae4SAndroid Build Coastguard Workeraddresses that contain "mapped" IPv4 addresses for compatibility purposes.
28*6236dae4SAndroid Build Coastguard WorkermacOS is known to do this.
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