Quantum SPARK 1500 - Page 170

Configuring DDNS and Access Service
R81.10.X Quantum Spark 1500, 1600, 1800, 1900, 2000 Appliances Locally Managed Administration Guide|170
Action
Available
From
Description
Firewall Ctl
Tool
R81.10.10 Opens a popup window, in which you can see the kernel
debug that shows which packets the Security Gateway
drops.
Warning - When you use this tool, the CPU load
increases. Schedule a maintenance window.
Notes:
n
The appliance runs the "fw ctl zdebug -
m fw + drop" command.
See the R81.10 Quantum Security Gateway
Guide > Chapter "Kernel Debug".
n
You can view the kernel debug output in real
time or save it into a plain-text file.
n
When you start a new kernel debug and save
it into a file, and a file with such name already
exists, the appliance adds a running number
to the default filename (this way, it does not
overwrite an existing file).
n
The kernel debug stops automatically if the
WebUI session ends.
Procedure:
1. Click the Firewall Ctl Tool button.
2. Optional: In the Command timeout field, enter the
duration (in seconds) of the kernel debug.
3. Optional: In the "grep" field, enter the applicable
filter:
n
This field is case-sensitive.
n
If the text must contains spaces, then you
must enclose it in single quotes or double
quotes.
n
The tool captures the specified number of
packets, and then filters the output to show
only the relevant lines.
4. To save the kernel debug output into a plain-text
file:
Note - If you entered a "grep" filter, then the saved
file contains only the relevant lines you see on the
screen.
a. Click Save to download the file.