Nus Proxy

To close a Firefox pop-up window using Selenium Python, you can use the close() method. Here's an example:

from selenium import webdriver

# Open Firefox and navigate to a web page
driver = webdriver.Firefox()
driver.get('https://example.com')

# Click on a link or button that opens a pop-up window
driver.find_element_by_link_text('Open Popup').click()

# Switch to the pop-up window
driver.switch_to.window(driver.window_handles[-1])

# Close the pop-up window
driver.close()

# Switch back to the main window
driver.switch_to.window(driver.window_handles[0])

This code will open Firefox, navigate to a web page, click on a link or button that opens a pop-up window, switch to the pop-up window, and then close it. After closing the pop-up window, it switches back to the main window.

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

Checking proxies for spam is necessary to make sure that they are absolutely clean and are not included in any blacklists and spam databases. You can do it with the help of online checkers, which provide full information related to safety and anonymity of a proxy.

Paid proxies are definitely better and more reliable than free ones. How do you test them? You can simply use the Hidemy Name service. It also shows which protocols the service uses and how reliable the connection is.