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The gobal setup page shows three sections, Options, Privileged
Users and SetUID Root. Of these, the latter two are only
shown when KSnuffle is run by root.
- Options
The options here enable or disable the conversion of IP addresses to
host names, IP ports to service names, and the display of non-privilegded
ports on the sniffer configuration page. In addition, the are
two settings to control pausing the packet display under heavy loads;
see below.
- Privileged Users
If KSnuffle executes as a setuid-root program, then users who are
marked as privileged will be able to run KSnuffle and capture network
traffic as if they were root. Users can be added to, and removed from,
the list of privileged here.
- SetUID root
This control can be used to set and remove setuid-root from the
KSnuffle executable.
Behaviour under heavy loading
Under heavy load, the packet display can use a large amount of CPU time
and may not be able to keep up with incoming packets. There are two
possibilities to deal with this situation:
- Disable the packet display
If none of the display options (time, protocol, etc) on
the configuration page are selected then the packet display is
disabled.
- Pause the packet display
This is controlled by the Pause at and Pause for settings.
If the packet display receives as the former number of packets within
a second, then it will pause for the latter number of seconds.
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