Kongshare Proxy

Proxy servers are needed for Telegram, so that they can substitute their IP address instead of the real one. This procedure makes it possible to avoid blocking and bypass the ban on the messenger in our country. There are three types of protocols that can be set up for Telegram: Socks5, HTTP and MTPROTO. As for the last protocol, its own applications are developed for it.

In a Java application, the parsing of JSON data can take place in different layers depending on the architectural pattern you are following. Here are common layers where JSON parsing can occur:

1. Data Access Layer (DAO):

   • If your application follows a traditional layered architecture, you might perform JSON parsing in the Data Access Layer. In this layer, you can convert JSON data received from external sources (e.g., a RESTful API) into Java objects before persisting them to a database.

2. Service Layer:

   • JSON parsing can also be done in the Service Layer. Services may receive JSON data from various sources and convert it into domain objects or DTOs (Data Transfer Objects) before interacting with the business logic or data access layer.

3. Controller/Endpoint Layer:

   • In a web-based application, such as a Spring MVC or Spring Boot application, JSON parsing is often done in the controllers or endpoints. Incoming JSON requests from clients are converted into Java objects to be processed by the business logic.

4. Model Layer:

   • In some cases, especially when dealing with serialization/deserialization within the application itself, JSON parsing can take place in the Model Layer. For example, converting Java objects to JSON for sending responses to clients or vice versa.

5. External Libraries/Utilities:

   • JSON parsing can also be delegated to external libraries or utility classes. This is common when using libraries like Jackson, Gson, or other JSON processing libraries. These libraries provide convenient methods for converting JSON to Java objects and vice versa.

6. Middleware Layer:

   • In a middleware layer, JSON parsing might occur as part of transforming data between different systems or components. For example, in an ESB (Enterprise Service Bus) scenario where data needs to be transformed from one format to another.

7. Integration Layer:

   • If your application integrates with external services or APIs that exchange data in JSON format, the integration layer might handle JSON parsing to transform the data into a format suitable for internal processing.

The choice of the layer depends on your application's design, the responsibilities of each layer, and the architectural patterns you are following. In modern Java applications, using dedicated JSON processing libraries like Jackson or Gson is a common practice, and the parsing often occurs in the layers that interact with external data sources or clients.

To send a SIP INVITE request to a server using UDP, you need to follow these steps:

1. Create a SIP INVITE message: The SIP INVITE message is a request to establish a new session between two parties. It contains the caller's contact information, the callee's contact information, and other relevant headers. You can use a library like Twisted or PySIP to create a SIP INVITE message in Python.

2. Set up a UDP socket: In Python, you can use the socket module to create a UDP socket. Create a socket object with the socket.SOCK_DGRAM parameter to indicate that it's a datagram socket.

import socket

# Create a UDP socket
udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

3. Configure the server address and port: You need to know the IP address and port number of the SIP server you want to send the INVITE message to.

# Server address and port
server_address = ('sip.server.ip', 5060)

4. Send the SIP INVITE message: Use the sendto method of the UDP socket to send the SIP INVITE message to the server.

# Send the SIP INVITE message to the server
udp_socket.sendto(sip_invite_message, server_address)

5.Close the UDP socket: After sending the SIP INVITE message, close the UDP socket to free up resources.

# Close the UDP socket
udp_socket.close()

Here's a complete example of sending a SIP INVITE message using UDP in Python:

SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bKkDjgjhFg5
From: "John Doe" ;tag=12345
To: "Jane Smith" 
Call-ID: 123456789012345
CSeq: 1 INVITE
Contact: 
Content-Type: application/sdp
Content-Length: 200

v=0
o=JohnDoe 2890844526 2890844526 IN IP4 192.168.1.1
s=Example Session
c=IN IP4 192.168.1.1
t=0 0
m=audio 3456 RTP/AVPF 97

Setting up a proxy server correctly involves choosing the right hardware, selecting a suitable proxy server software, configuring the server, and securing the connection. Here's a step-by-step guide to help you set up a proxy server:

1. Choose the right hardware: Select a server or computer with adequate resources (CPU, RAM, and storage) to handle the expected number of connections and data transfer rates. You may also want to consider using dedicated hardware or a virtual private server (VPS) for better performance and security.

2. Select proxy server software: There are various proxy server software options available, such as Privoxy, Squid, and PacketFence. Choose a software that suits your needs, considering factors like ease of use, performance, and compatibility with your operating system.

3. Install the proxy server software: Follow the instructions provided by the software vendor to install the proxy server software on your chosen hardware. Make sure to download the software from a reputable source and use the latest version to ensure security and compatibility.

4. Configure the server: Configure the proxy server software according to your requirements. This may include setting up the IP address, port number, and authentication methods (e.g., username and password, IP filtering, or HTTP authentication). You can also configure additional settings, such as caching, bandwidth limits, and access control lists.

5. Secure the connection: Ensure that your proxy server is secure by using encryption (e.g., SSL/TLS) and implementing firewalls or intrusion detection systems. Regularly update the software and apply security patches to minimize vulnerabilities.

6. Test the proxy server: Once the server is set up and configured, test its functionality and performance. Verify that it can handle incoming connections, forward requests correctly, and maintain the desired level of anonymity or security.

7. Share the proxy server: If you want to share your proxy server with others, provide them with the IP address, port number, and any necessary authentication credentials. Be cautious when sharing your proxy server, as it can expose your IP address and bandwidth to others, potentially leading to security risks or abuse.

SIP is a virtual telephony service. A proxy server in this case is used to collect traffic, its conversion and further transmission to the subscriber via cellular communication. It is mainly used by call centers to communicate with customers.