TLS protocol over proxy: technology advantages and features

03.09.20 в 12:15 Other 295

TLS encryption of proxy

Using a proxy server is very convenient when performing a large number of tasks. However, working with this tool sometimes involves some difficulties, the main of which is the lack of an encrypted connection. This flaw forces many users to turn to alternative technologies: VPN, Shadowsocks, Tor, and others. What to do if the project needs proxies? For such cases, you can use the TLS data encryption function.

What is the TLS Protocol?

TLS (Transport Layer Security) is a standard network model protocol that provides a secure connection between a user and a server. It protects the data of users who use a secure https connection to access web pages on the Network. TLS is an updated version of the SSL Protocol. The protocol "runs on top" of TCP connection, but there are no changes at the higher HTTP or SMTP level. But still, there are three functions: encryption of information transmitted from one device to another, authorship verification, and data integrity control to protect against spoofing.

Proxies with TLS encryption and HTTPS proxies

Most HTTP(S) proxies support a secure connection to a dedicated website. At the same time, the SSL or TLS protocols are used to protect users' data, just like when connecting without a proxy server. However, information about which hosts the client accesses and whether a proxy is used is not disclosed.

TLS encrypted proxies differ from conventional HTTPS counterparts. Encryption of them occurs "on top" of all protocols used to establish a connection. In other words, not only personal data is hidden from prying eyes, but also other connection parameters, such as HTTP headers from the client and the proxy itself. It provides a high level of anonymity that rivals VPN technology while maintaining the convenience and simplicity of proxy servers for users. Setting up a proxy for commonplace use is also different. As a rule, regular browsers do not support the TLS over proxy function. Therefore, to successfully work through a proxy over an encrypted channel, you need to install specialized client applications, such as stunnel (www.stunnel.org). In the proxy settings, you specify port 443 to create a secure tunnel through which all traffic will be transmitted.

Differences between TLS proxy and VPN

A proxy server of this configuration is very similar to a VPN service. Indeed, both VPN and proxies with TLS provide access to external resources through a middleware server and transmit data between the client and server in encrypted form. However, these tools should not be equated. Each of them has its characteristics. VPN is a private network that is organized over a public network to ensure the security of data transmission inside it. This technology is often used both for corporate networks, for example, providing secure access of remote employees to confidential data, and for personal purposes, whether it is getting access to a foreign site or ensuring anonymity on the Internet. If we are only talking about spoofing the IP address and diverting traffic, the best solution is to use an intermediary server. Creating a VPN connection requires more additional operations: encapsulating network packets, assigning fake IP addresses in the VPN network itself, and altering the routing table.

A proxy server is a specialized software that connects to a resource server from its IP address, redirecting requests from the client and responding to them from websites. Since intermediation is the main feature of a proxy, this operation is quick and efficient. Often, the speed of data transmission over a high-quality proxy server does not concede to the speed of direct Internet connection.

Advantages of a proxy server with TLS

Why use a TLS encrypted proxy when you have a VPN? To answer this question, you should look at the advantages of using proxy servers to decide whether this technology is suitable for your range of tasks.

Below we have compiled 5 advantages of TLS encrypted proxy protocols over VPN:

1. High-speed data transfer.
High-speed data transfer. When proxying TCP connections, packets are retransmitted independently in the proxy client and proxy host sections. The proxy has its TCP buffers, and short-term I/O delays in one area will not affect the transmission time in the opposite part. The VPN only works at the network layer, and the computer will transmit lost TCP segments from the VPN client to the target server, which reduces the speed of the VPN;

2. Customization flexibility.
Proxy is convenient and easy to configure on any operating system. You can configure proxies for individual applications or queries to a particular domain, or use different proxies for different addresses;

3. HTTPS traffic disguise.
One of the main advantages of such proxies. TLS encryption runs on top of all network protocols, and the server can pass off all transmitted traffic as ordinary HTTPS packets. It can be useful if someone is using traffic filtering technology to block VPNs and other similar tools. The fact of VPN use is visible to the passive DPI even when using dedicated software. Using TLS over proxy avoids this problem;

4. Protection from an unsecured disconnection.
The VPN connection may be interrupted, the user will not notice that their traffic is no longer protected, so the work continues with his real IP address. If we are talking about a proxy, there are no such problems. If the proxy server goes down, the internet connection is lost, and there is no danger of establishing an unsecured connection;

5. Low access rights demands.
Proxy connection, unlike a VPN, does not require specific permissions from the server or user. What opens up opportunities for ordinary users to use it within corporate and home networks.

Where to find and try servers that support TLS over proxy? They are already available on RSocks! The TLS encryption feature is already available for all Private Personal proxies. Experience all the advantages of this technology!

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伴随着会联网的广泛使用,随之带来一系列的危险。首先涉及到匿名和安全性。如果信息不设防范手段,您的数据很可能被入侵 — 这里举个例子,关于在公用网络中的私人的信件。

最初的互联网预想让空间没有国界化,无论在在那里都可以绝对匿名地获取任何信息。现在很多国家都出现了禁止访问某些资源的情况 。

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当今世界保证私人和企业的秘密数据变得越来越困难,所以信息安全的问题变得的越演越烈。每个人都拥有生存、自由和人身安全的权力。保护自己的数据免受入侵,和第三方的调查是没有任何原因的。如果您想在网络上安全地保存自己的信息,就不得不去遵守那些规则。本文就来介绍下基本的方法、手段和常用的程序,当然最主要的是互联网的安全使用。

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Good afternoon! Now we are talking about such an important topic in our time, as an opportunity to bypass the blocking of sites. The problem is very relevant in our country

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