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1. Overview

When it comes to SSL connections, we should be using TLSv1.2. Indeed, it's the default SSL protocol for Java 8.

And while Java 7 supports TLSv1.2, the default is TLS v1.0, which is too weak these days.

In this tutorial, we'll discuss various options to configure Java 7 to use TLSv1.2.

2. Using Java VM Arguments

If we are using Java 1.7.0_95 or later, we can add the jdk.tls.client.protocols property as a java command-line argument to support TLSv1.2:

But Java 1.7.0_95 is available only to the customers who purchased support from Oracle. So, we'll review other options below to enable TLSv1.2 on Java 7.

3. Using SSLSocket

In this first example, we'll enable TLSv1.2 using SSLSocketFactory.

First, we can create a default SSLSocketFactory object by calling the SSLSocketFactory#getDefault factory method.

Then, we simply pass our host and port to SSLSocket#createSocket:

The default SSLSocket created above doesn't have any SSL protocols associated with it. We can associate the SSL protocols to our SSLSocket in a couple of ways.

In the first approach, we can pass an array of supported SSL protocols to the setEnabledProtocols method on our SSLSocket instance:

Alternatively, we can use SSLParameters, using the same array:

4. Using SSLContext

Setting the SSLSocket directly changes only the one connection. We can use SSLContext to change the way we create the SSLSocketFactory.

So, instead of using SSLSocketFactory#getInstance, let's do SSLContext#getInstance, giving it “TLSv1.2” as a parameter.We can just get our SSLSocketFactory from that now:

As a quick side note, always remember to use SecureRandom when working with SSL.

5. Using HttpsURLConnection

Of course, we aren't always creating sockets directly. Oftentimes, we are at the application protocol level.

So, finally, let's see how to enable TLSv1.2 on HttpsURLConnection.

First, we'll need an instance of URL. Let's imagine that we are connecting to https://example.org:

Java 1.7+

Now, we can set up our SSLContext as before:

Then, our last steps are to create the connection and supply it with an SSLSocketFactory:

Java 1.7.0 Download

6. Conclusion

In this quick article, we showed a few ways to enable TLSv1.2 on Java 7.

The code samples used in this article are available over on GitHub.

What is the best Minecraft texture packs 1.17.1 ?

Minecraft texture packs are basically a collection of files that are used to change the textures of game items, from blocks and items to full mobs and real game environments.

How to install Minecraft texture packs

Follows 8 Steps bellow to install Minecraft texture packson Windows and Mac :

1. Download .zip file of texture pack (resource pack).
2. Open the folder where you downloaded the file.
3. Copy the .zip texture pack (resource pack) file.
4. Open Minecraft game.
5. Click and select on ‘Options’, then select ‘Resource Packs’
6. Choose ‘Open resource pack folder’
7. Paste the file into the resource folder in Minecraft
8. Go back to Minecraft, you can activate the resource pack by choosing it and hitting ‘Done’

List 7 Best Minecraft texture packs 1.17.1 for Java Edition in 2021 :

1. Faithful

Faithful is a 32×32 version of Minecraft’s default texture pack, so it’s twice the resolution, and you’ll notice that the bricks look rounder, the trees are fuller, and the grass is thicker.

Home page : https://faithful.team/

Faithful 32×32 Texture Packs 1.17.1

Screenshot :

2. Sapixcraft 1.17.1

Home page : https://sapixcraft.com/

Screenshot :

3. Mizunos 16 Craft

Home page : https://www.planetminecraft.com/texture-pack/mizunos-16-craft/

Screenshot :

Java 1.7 Features

4. Quadral

Home page : https://www.curseforge.com/minecraft/texture-packs/quadral-pack

Screenshot :

5. Annahstas Beastrinia

Home page : https://www.curseforge.com/minecraft/texture-packs/annahstas-beastrinia-pokemon-inspired-32x

Screenshot :

6 . Epic Adventures

Home page : https://www.curseforge.com/minecraft/texture-packs/epic-adventures

Screenshot :

Java 1.7 Features

7. RetroNES

Home page : https://www.planetminecraft.com/texture-pack/retro-nes-revived/

Screenshot :