Python for Cybersecurity 13 — Proxy IV

Sharpen Python skills in the field of cybersecurity.

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This series of tutorials is mainly to share the notes taken while I was learning python for cybersecurity with the books — Black Hat Python.

There are some links in the section of References below.

Catalogue

• Proxy IV

Prerequisite

• Basic knowledge of Python syntaxes
• Basic Linux knowledge
• Basic knowledge of Networking

Proxy IV

1.

def receive_from(connection):
    buffer = b""
    connection.settimeout(20)
    try:
        while True:
            data = connection.recv(4096)
            if not data:
                break

            buffer += data
    except Exception as e:
        print('error ', e)
        pass

    return buffer

2.

buffer = b""

Create an empty string buffer , that will accumulate responses from the socket.

3.

connection.settimeout(20)

Set a twenty-second time-out, which might be aggressive if you’re proxying traffic to other countries or over lossy networks, so increase the time-out as necessary.

4.

try:
    while True:
        data = connection.recv(4096)
        if not data:
            break

        buffer += data

Read response data into the buffer until there’s no more data or time’s up.

Reference

• Black Hat Python, 2nd Edition: Python Programming for Hackers and Pentesters | Amazon e-book
• Awesome Youtube Tutorial | Elevate Cyber
• Awesome Github source codes | Selfmade

Source Code

Github Python For Cybersecurity | Monles