Wireshark class 4 - How to analyze a packet capture plus BONUS Wireshark filter cheat sheet

This video is a good intro how to analyze a packet capture file or pcap, step by step. And even some content for people that already know Wireshark. #wireshark #pcap BONUS Wireshark filter cheat sheet. The scenario of this video is that you work for a company and the apps team is having an issue with their application. They have an app server that is talking to a web server, and something is just not right. They looked at their log files, but the error messages are not descriptive. Our task is to look at a packet capture and determine the issue. If you have any questions or ideas for future videos, please leave a comment and let me know. Timestamps: 00:00 Start 0:15 Free Wireshark filter cheatsheet 0:53 Scenario - Application issue 1:44 Using DNS filter to find a destination IP address 2:08 Building a filter to find a specific DNS query 3:56 Ephemeral port definition and graphic 5:44 Add a comment to a packet 5:55 Make a column to display comments 7:04 Cleartext password found in login POST - hacking :) 8:21 The great filter - show http requests and replies only 10:28 The real problem 11:31 Filter for only http errors and redirects aka gt 200 12:04 Filter for comments 12:21 Export displayed packets to a pcap file