Wireshark is a graphical packet capture and analyser open-source software. It can be used for a variety of network communication analysis tasks like protocol development and troubleshooting. It shows packets on the IP level.

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18
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2answers
18k views

Decrypting TLS in Wireshark when using DHE_RSA ciphersuites

How can I decrypt TLS messages when an ephemeral Diffie-Hellman ciphersuite is used? I am able to expose the premaster secret and master secret from the SSL Client. Using that, how to decrypt the ...
9
votes
5answers
27k views

How to get private key used to decrypt HTTPS traffic sent and received from my own browser with wireshark

I am working with a website that sends API requests. I would like to write a client to make the requests myself, but in order to do so I would need to first see the request payloads. However, the ...
3
votes
3answers
361 views

Is it possible to obtain the login credentials submitted by users?

It's a question at computer security textbook Assume that user A is about to use some website that requires login credentials. User A starts his web browser, types the website’s URL, and submits the ...
2
votes
1answer
180 views

Can't decrypt captured HTTP connection from WPA Network

Hi I am attempting to sniff HTTP packet traffic using Wireshark on Kali Linux. I have added my wpa-pwd correctly to the IEEE 802.11 protocol and enabled "decryption". Currently I can only view the ...
0
votes
5answers
668 views

Monitor websites being visited on network

I need to monitor the websites being visited on my wifi network by the different IPs connected to the network. What is the best way to do this? I spent some time with Wireshark but I feel it is a bit ...
-1
votes
1answer
125 views

Slow internet - Worried about spammed packets

got a weird question and I'm not sure if I should even post this on here but I couldn't think of anywhere better to ask. Lately, I've been getting some internet speed issues. I closed literally every ...
5
votes
2answers
1k views

Extract pre-master keys from an OpenSSL application

Consider an application using OpenSSL which has a bug. A packet capture of the full SSL session is available, as well as a core dump and debugging symbols for the application and libraries. A RSA ...
4
votes
2answers
204 views

Decrypting SSL using Wireshark Linux vs Windows

I'm working on decrypting my own traffic that gets sent through Wireshark and I've been following this guide for reference. I have been using the SSLKEYLOGFILE environment variable and I can get the ...
3
votes
1answer
8k views

SSL/TLS version switch over reason

I'm studying the SSL/TLS protocol, more specifically its handshake. I know that initially, a client sends a Client Hello message to the server which includes the TLS version supported by the client. ...
0
votes
1answer
2k views

Wireshark Gratuitous ARP

I'm playing around with scapy and wireshark and I have sent a packet to a destination that does not exist (10.0.2.14). Wireshark shows an ARP attempt to resolve the address but as its not there the ...