10/7/2023 0 Comments Ip sniffer![]() ![]() Since this is a TSO protocol, I needed to toggle the TSO off so that I could decrypt the traffic.Įmail Hunter will need that you retain a good correspondence foundation. The router uses a TSO (Transmit Side Offloading) protocol to forward the packets that pass through the router. I moved the sniffer off the laptop, running it on the router. Then I tried to figure out what was going on. When I ran Cain & Abel, I only saw about 2 GB of data. ![]() This shows that Wireshark is better at decoding packets that contain a hexadecimal representation of the encryption keys. Wireshark had the best results at sniffing out any WEP or WPA-PSK passwords. I tested a few sniffers, including Cain & Abel, Wireshark, and tcpdump. Cain & Abel picked up the most passwords while Wireshark was the second and third best. I removed the routers that are forwarding packets to the Cain sniffer and moved the sniffer to a laptop. I tested the Cain & Abel sniffer, Wireshark, tcpdump, and tshark against a VPN tunnel using the following protocols: PPTP, L2TP/IPSec, MSKerb5, and OpenVPN. From this, I deduce that the Cain & Abel sniffer works on a switched environment. I made an attempt to run the Cain & Abel sniffer on an unencrypted (L2TP/IPSec VPN) test network and it worked! It also successfully detected the NAS and my laptop using WEP encryption. I believe this is the cause of my problems since I am using the ASA to decrypt the packets before the Cain sniffer can capture them. The ASA only forwards the ETHER_IP (MAC address) and the L2TP or IPSec protocol. So why am I getting strange packet capture results when I run the sniffer on my router? I noticed that my ASA and ASA router do not forward the whole packet. ![]()
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