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I'm following a book ( Black hat python by Justin Seitz )

I tried exact same code as the book , and attempted to write a code which will establish a TCP connection (see commented bit of the code) relying on socket lib .

but it keeps giving me , an error which says :- Bytes like object is required on line 10 .

not sure what's the problem is with the 2nd bit (uncommented part of the code ) maybe something IP related

I'm aware that the book is using python 2.7 , but I'm using Python 3.9.12 Is the python version causing the problem ?

If so , what is the 3.9.12 equivalent syntax of these codes ?

tnx in advance

import socket

#target_host = "www.google.com"
#target_port = 80

#client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

#client.connect((target_host,target_port))

#client.send("GET / HTTP/1.1\r\nHost: google.com\r\n\r\n")

#response = client.recv(4096)

#print(response)






target_host = 127.0.0.1
target_port = 80

client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

client.sendto("AAABBBCCC", (target_host,target_port))

data, addr = client.recvfrom(4096)

print(data)
bromho doti
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1 Answers1

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Change the line client.send("GET / HTTP/1.1\r\nHost: google.com\r\n\r\n") to client.send(b"GET / HTTP/1.1\r\nHost: google.com\r\n\r\n"). Prefixing a string with b creates a bytes literal. The problem with the second part is most likely because 127.0.0.1 (localhost) does not have a server running on port 80.

Riley Martin
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