Observer Analyzer : Analyzer : Filtering
  
Filtering
Pre-filtering your packet captures
Pre-filtering your packet captures
Page Contents
Tell me how to filter by protocol
Tell me how to filter by pattern
Activating and deactivating filters
How to chain filter rules using logical operators
Post-filtering your packet captures
Post-filtering your packet captures
Page Contents
Enabling command-line filtering
Post-filtering via command line
Filtering narrows the scope and size of your packet captures so you get only what you want. This filtering can take place before (pre-filter) and after (post-filter) the packet capture is saved to disk.