# ONION PASLAUGOS

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##### ONION PASLAUGOS

Onion services (formerly known as "hidden services") are services, like websites, that are only accessible through the Tor network.

Onion paslaugos, lyginant jas su įprastomis paslaugomis ne privačiame internete, siūlo keletą privalumų:

- Onion services' location and IP address are hidden, making it difficult for adversaries to censor them or identify their operators.
- Visas duomenų srautas tarp Tor naudotojų ir onion paslaugų yra ištisai užšifruotas, todėl jums nereikia jaudintis dėl prisijungimo per HTTPS.
- The address of an onion service is automatically generated, so the operators do not need to purchase a domain name.
- Because of the cryptography involved, the .onion URL lets Tor ensure that it is connecting to the right location and that the connection is not being tampered with.

### KAIP PASIEKTI ONION PASLAUGĄ

Just like any other website, you will need to know the address of an onion service in order to connect to it. An onion address consists of 56 letters and numbers, followed by ".onion".

When accessing a website that uses an onion service, Tor Browser will show in the URL bar an icon of an onion displaying the state of your connection: secure and using an onion service. You can learn more about the onion service by clicking on the onion icon and the adjacent Circuit Display in the address bar.

Another way to learn about an onion site is if the website administrator has implemented a feature called Onion-Location. Onion-Location is a non-standard HTTP header that websites can use to advertise their onion counterpart. If the website that you are visiting has an onion site available, a purple suggestion pill will prompt at the URL bar in Tor Browser displaying ".onion available". When you click on ".onion available", the website will be reloaded and redirected to its onion counterpart.

## ONION SERVICE AUTHENTICATION

An authenticated onion service is a service like an onion site that requires the client to provide an authentication token before accessing the service. As a Tor user, you may authenticate yourself directly in Tor Browser. In order to access this service, you will need access credentials from the onion service operator. When accessing an authenticated onion service, Tor Browser will show in the URL bar an icon of a little gray key, accompanied by a tooltip. Enter your valid private key into the input field.

### ONION SERVICES ERRORS

If you can't connect to an onion site, Tor Browser will provide a specific error message informing why the website is unavailable. Errors can happen in different layers: client errors, network errors, or service errors. Some of these errors can be fixed by following the Troubleshooting section. The table below shows all the possible errors and which action you should take to solve the issue.

Code | Error Title | Short Description
--- | --- | ---
0xF0 | Onionsite Not Found | The most likely cause is that the onionsite is offline. Contact the onionsite administrator.
0xF1 | Onionsite Cannot Be Reached | The onionsite is unreachable due an internal error.
0xF2 | Onionsite Has Disconnected | The most likely cause is that the onionsite is offline. Contact the onionsite administrator.
0xF3 | Unable to Connect to Onionsite | The onionsite is busy or the Tor network is overloaded. Try again later.
0xF4 | Onionsite Requires Authentication | Access to the onionsite requires a key but none was provided.
0xF5 | Onionsite Authentication Failed | The provided key is incorrect or has been revoked. Contact the onionsite administrator.
0xF6 | Invalid Onionsite Address | The provided onionsite address is invalid. Please check that you entered it correctly.
0xF7 | Onionsite Circuit Creation Timed Out | Failed to connect to the onionsite, possibly due to a poor network connection.

### NESKLANDUMŲ ŠALINIMAS

If you cannot reach the onion service you requested, make sure that you have entered the onion address correctly: even a small mistake will stop Tor Browser from being able to reach the site.

If you are trying to access a 16 character (the shorter "V2 format") onion service, this type of address no longer works on today's Tor network.

You can also test if you are able to access other onion services by connecting to DuckDuckGo's Onion Service.

If you are still unable to connect to the onion service after verifying the address, please try again later. There may be a temporary connection issue, or the site operators may have allowed it to go offline without warning.

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