Nfsen nfdump

All following conditions are based on the result of this filter. Complete the 'New Profile' form to start building the profile.

nfdump command examples

Alerts Alerts allow you to execute specific actions based on specific conditions. The number of channels is independent of the number of netflow sources. This alert is active, but blocked for 2 cycles definable after the trigger fired. You can follow the build process by looking at the progress bar, showing you the percentage of completion.

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Alert Status: The alert status of each alert is visible as an overview in the alert tab, or on the top of each alert, when displaying the alert. You can follow the build process by looking at the progress bar, showing you the percentage of completion. In fact, nfsen is a web wrapper around the nfdump command line. Bookmark Clicking on the link places the bookmark URL into the URL input field of your browser, allowing you to add this link to your bookmark collection. Conditions may also be based on the top 1 statistic after filtering the flows. By setting any of these values to 0, the limit does not apply. This alert is active and is evaluated each cycle. If you enter a 'Start' and 'End' time a history profile is automatically created. Older triggers are removed again. Successful creation of a new profile with individual channels. The bottom half of the alert details view contains a graph with all calculated average values as a result of the filter. A summary of all conditions as well as the resulting overall condition of the last cycle are displayed at the bottom of this table. Enter an appropriate filter here. Triggers Whenever the overall condition evaluates to true, the trigger conditions apply. Note that this is only the visual representation, it does not influence the time window of your query; 3 : move the graphs to the end or the beginning of a timeframe; 4 : display the data based on the number of bytes; 5 : display the data based on the number of packets; 6 : filter on only TCP, UDP, ICMP, other or all the traffic; 7 : the time slider that allows you to set the time window.

If you choose for time window you are able to move the sliders 7 to the start and end of the desired timeframe, for a single timeslice you can move the slider to the left or right; 2 : display information for a day, a week or another timeframe.

All changes will affect the profile immediately.

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The possible states be be: This alert is not active and is not evaluated. The details page has a couple of options to fine tune what you are seeing. Alert List Alert details: The alert details dialogue allows you to review and edit the alert. Managing Profiles Profiles can be modified by selecting the 'Stat' tab of the profile and click on any of the available edit icons of the desired parameter. The nfdump process needs its own user. This progress bar is updated automatically every 5 seconds. You may also add or delete channels in a continuous profile. Profile Channels Creating profiles Select the "New profile The last part of the details page contains the part that you will probably be using the most. The alert can be modified by clicking on the edit icon in the top left of the dialogue. Profiles may be grouped together for easier selection in the profile menu. An alert is defined by a filter applied to the 'live' profile, conditions, triggers and alert actions. All relevant input fields and selection boxes are enabled and can be changed as needed. A separate nfsen command line guide should be available soon. Select either an existing profile group, or create a new group according to your needs.

The trigger just fired in the last cycle and executed the action assigned to this alert, This alert fired once only and is no longer active. Both tools can be used together.

nfdump cheat sheet

If you want to cancel a long running nfsen query you will have to kill on the command line the corresponding nfdump command.

Profiles may be grouped together for easier selection in the profile menu. In the 'new profile' dialogue entries for netflow sources as well as for the common filter disappears, as these parameters are now individual for each channel and entered in the channel dialogue.

Nfsen plugins

Plugins may be selected from the navigation bar.. Triggers Whenever the overall condition evaluates to true, the trigger conditions apply. All following conditions are based on the result of this filter. Successful creation of a new profile with individual channels. For a detailed explanation about plugins and how to write plugins, see the detailed Plugin Writers Guide. The last overall condition was true, but needs 3 conditions definable in a row to fire the trigger. Progress of building the profile Please note: For the 'live' profile, channels have to be configured in nfsen. A separate nfsen command line guide should be available soon. All conditions are logically linked 'or'.

All relevant input fields and selection boxes are enabled and can be changed as needed. Triggers Whenever the overall condition evaluates to true, the trigger conditions apply.

Nfsen github

The main script used by nfsen is nfsen. In order to get the porttracker plugin working you need to take some extra steps. Managing Profiles Profiles can be modified by selecting the 'Stat' tab of the profile and click on any of the available edit icons of the desired parameter. Alert List When clicking on the alert tab in the navigation bar, an overview of all alerts is show. Alert conditions top 1 Up to 6 conditions of either conditions type may be linked together. A channel is based on one or more netflow sources from the 'live' profile. The possible states be be: This alert is not active and is not evaluated. Up to 6 last trigger cursors are shown.
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Use netflow with nfdump and nfsen