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grammar, layout fixes. remove duplicated info. titles need to be on one line

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emma peel 2021-06-16 17:33:55 +02:00
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content/onionservices/v2-deprecation/contents.lr
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@ -6,8 +6,7 @@ seo_slug: v2-deprecation
---
description:
### How do I know if I'm using v2 or v3 onion services?
You can identify v3 onion addresses by their 56 character length, e.g. Tor Project's v2 address:`http://expyuzz4wqqyqhjn.onion/`
And Tor Project's v3 address: `http://2gzyxa5ihm7nsggfxnu52rck2vv4rvmdlkiu3zzui5du4xyclen53wid.onion/`
You can identify v3 onion addresses by their 56 character length, e.g. Tor Project's v2 address:`http://expyuzz4wqqyqhjn.onion/`, and Tor Project's v3 address: `http://2gzyxa5ihm7nsggfxnu52rck2vv4rvmdlkiu3zzui5du4xyclen53wid.onion/`
If you're an onion service administrator, you must upgrade to v3 onion services as soon as possible.
If you're a user, please ensure that you update your bookmarks to the website's v3 onion addresses.
@ -20,23 +19,22 @@ In July 2021, 0.4.6 Tor will no longer support v2 and support will be removed fr
In October 2021, we will release new Tor client stable versions for all supported series that will disable v2.
You can read more in the Tor Project's blog post [Onion Service version 2 deprecation timeline](https://blog.torproject.org/v2-deprecation-timeline) for more information.
You can read more in the Tor Project's blog post [Onion Service version 2 deprecation timeline](https://blog.torproject.org/v2-deprecation-timeline).
### Can I keep using my v2 onion address? Can I access my v2 onion after September?
Is this a backward-incompatible change?
### Can I keep using my v2 onion address? Can I access my v2 onion after September? Is this a backward-incompatible change?
v2 onion addresses are fundamentally insecure. If you have a v2 onion, we recommend you migrate now.
V2 onion addresses are fundamentally insecure. If you have a v2 onion, we recommend you migrate now.
This is a backward incompatible change: v2 onion services will not be reachable after September 2021.
### What is the recommendation for developers to migrate?
Any tips on how to spread the new v3 addresses to people?
### What is the recommendation for developers to migrate? Any tips on how to spread the new v3 addresses to people?
In torrc, to create a version 3 address, you simply need to add these two lines.
The default version is now set to 3 so you don't need to explicitly set it.
In torrc, to create a version 3 address, you simply need to create a new service just as you did your v2 service, with these two lines:
`HiddenServiceDir /full/path/to/your/hs/v3/directory/`
`HiddenServiceDir /full/path/to/your/new/v3/directory/`
`HiddenServicePort <virtual port> <target-address>:<target-port>`
The default version is now set to 3 so you don't need to explicitly set it.
Restart tor, and look on your directory for the new address.
If you wish to keep running your version 2 service until it is deprecated to provide a transition path to your users, add this line to the configuration block of your version 2 service:
`HiddenServiceVersion 2`
@ -44,7 +42,7 @@ If you wish to keep running your version 2 service until it is deprecated to pro
This will allow you to identify in your configuration file which one is which version.
If you have [Onion-Location](https://community.torproject.org/onion-services/advanced/onion-location/) configured on your website, you need to set the header with your new v3 address.
For technical documentation about running onion services, please read the [Onion Services](https://community.torproject.org/onion-services/) page in our Community portal.
For technical documentation about running onion services, please read the [Onion Services](https://community.torproject.org/onion-services/) page in our Community portal.
### I didn't see the announcement, can I get more time to migrate?
No, v2 onion connections will start failing nowish, first slowly, then suddenly. It's time to move away.
@ -56,7 +54,8 @@ Already, introduction points are not in Tor 0.4.6 anymore, so they will not be r
Yes, it will work until the v2 onion address is unreachable.
You may want to encourage users to update their bookmarks.
## Is v3 onion services going to help in mitigating DDoS problems?
## Are v3 onion services going to help in mitigating DDoS problems?
Yes, we are continuously working on improving onion services security.
Some of the work we have in our roadmap is [ESTABLISH_INTRO Cell DoS Defense Extension](https://gitweb.torproject.org/torspec.git/tree/proposals/305-establish-intro-dos-defense-extention.txt), [Res tokens: Anonymous Credentials for Onion Service DoS Resilience](https://gitweb.torproject.org/torspec.git/tree/proposals/331-res-tokens-for-anti-dos.md), and [A First Take at PoW Over Introduction Circuits](https://gitweb.torproject.org/torspec.git/tree/proposals/327-pow-over-intro.txt).
For an overview about these proposals, read the detailed blog post [How to stop the onion denial (of service)](https://blog.torproject.org/stop-the-onion-denial).