Cisco Cisco Firepower Management Center 4000

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FireSIGHT System User Guide
 
Chapter 18      Working with Intrusion Events
  Using the Packet View
Step 3
In the 
IP address or CIDR block
 field, enter the IP address or CIDR block/prefix length you want to specify 
as the source or destination IP address.
For information on using CIDR notation and prefix lengths in the FireSIGHT System, see 
.
Step 4
Click 
Save Suppression
.
The suppression options within your intrusion policies are modified according to your specifications. If 
you chose not to override existing settings, a message appears informing you of any conflicts.
Viewing Frame Information
License: 
Protection
On the packet view, click the arrow next to 
Frame
 to view information about the captured frame. The 
packet view may display a single frame or multiple frames. Each frame provides information about an 
individual network packet. You would see multiple frames, for example, in the case of tagged packets or 
packets in reassembled TCP streams. For information on tagged packets, see 
. For information on reassembled TCP streams, see 
Frame n
The captured frame, where n is 1 for single-frame packets and the incremental frame number for 
multi-frame packets. The number of captured bytes in the frame is appended to the frame number.
Arrival Time
The date and time the frame was captured.
Time delta from previous captured frame
For multi-frame packets, the elapsed time since the previous frame was captured.
Time delta from previous displayed frame
For multi-frame packets, the elapsed time since the previous frame was displayed.
Time since reference or first frame
For multi-frame packets, the elapsed time since the first frame was captured.
Frame Number
The incremental frame number.
Frame Length
The length of the frame in bytes.
Capture Length
The length of the captured frame in bytes.
Frame is marked
Whether the frame is marked (true or false).