Packet-Sniffer | A Network Packet Sniffing tool developed in Python
kandi X-RAY | Packet-Sniffer Summary
kandi X-RAY | Packet-Sniffer Summary
A Network Packet Sniffer developed in Python 3. Packets are disassembled as they arrive at a given network interface controller and their information is displayed on the screen. This application maintains no dependencies on third-party modules and can be run by any Python 3.6+ interpreter.
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Top functions reviewed by kandi - BETA
- Update the frame
- Display protocol information
- Displays packet contents
- Display output header
Packet-Sniffer Key Features
Packet-Sniffer Examples and Code Snippets
Community Discussions
Trending Discussions on Packet-Sniffer
QUESTION
I am currently creating a packet sniffer using python and pcap. After following this code: https://www.binarytides.com/code-a-packet-sniffer-in-python-with-pcapy-extension/
I am able to parse IP and TCP header to get the values such as source address, port number, etc. I only need HTTP request/response so I filtered out to only keep the ones that have the port number 80.
However, I am really confused on how to print out the actual values of HTTP header. Where and how am I supposed to get the image below to appear on my MacOS terminal?
Thanks in advance.
...ANSWER
Answered 2020-Sep-26 at 09:42If you have your HTTP response packet data in http_response_data
variable as python bytes
type you can get response headers just in one line:
QUESTION
I started to program a packet sniffer, And I have searched for the correct parameters to pass to socket()
function in order to capture packets with their Ethernet header.
I noticed that in this tutorial , In order to recieve the Ethernet header, they changed this line:
...ANSWER
Answered 2017-Aug-08 at 14:50The raw socket feature can be set up at different layers of the network stack, in order to allow the kernel do perform some of the work for you at lower levels (eg: ethernet crafting).
The change to GGP protocol might make sense on the website you found the example, but it is ugly to do so and
getprotoent()
should be used rather than using magic numbers.Yes you can tweak (filter) how the packet capture will happen. If you want to capture all packets then use ETH_P_ALL:
When protocol is set to htons(ETH_P_ALL) then all protocols are received.
QUESTION
In the code here, there is a line:
...ANSWER
Answered 2017-Jun-30 at 08:06The first thing to understand is that the bits on memory stay exactly the same irrespective of the cast (struct iphdr *)
. Just that you are now saying that buffer
is now to be treated as a pointer to struct iphdr
instead of what it was before. You are just telling the compiler to look at the bits with a different pair of glasses and hence interpret accordingly. The compiler suddenly sees that buffer
has become a struct iphdr *
. And says "OK" that's all. What's important is you know exactly what buffer
is and cast it to the proper type.
If you wanted, you could have type-casted buffer
to int *
(or any other pointer type) and the compiler would have said nothing. Although you would have problems later on.
QUESTION
I followed the tutorial below to implement a packet sniffer in Python:
http://www.binarytides.com/python-packet-sniffer-code-linux/
On receiving each UDP packet, I would like to send an already saved pcap file (test.pcap). The following snippet shows my implementation:
...ANSWER
Answered 2017-Jun-02 at 23:33Scapy has several built-in sniffers, that are really easy to use.
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