Banning Abusive Users, Editing

This article reviews the various advanced controls and settings used by SNIP to ban abusive users.  This feature allows you to detect and to ban connecting users (remote IPs) who fail to connect to your SNIP Caster node repetitively for long periods of time without success. We call these “abusive IP connections” although the root cause is often simply an ill-configured NTRIP Client attempting to connect.

Note:  The ability to temporarily ban IPs after these connections exceed the thresholds which you have set is not available on the Lite model of SNIP.  The process does operate during the evaluation period.  In the Basic model this feature is enabled and all IP banning is automatic, but there is no ability to edit or to permanently ban specific IP values. The more complex editing of the IP list and the individual ban periods are available on Pro and Enterprise models of SNIP.

Background

Note:  This is the advanced article which deals with editing the ban list; please be sure to read the simple article for the basics of how this control is used.

This dialog allows banning an IP forever from accessing SNIP and selecting a much longer temporary ban period.  Motivations for doing this will vary, including legitimate internet attackers, but it should be considered an extreme measure.

A typical  banned dialog looks like the below whenever there banned IPs.  It should be noted that this SNIP Caster has been set be very low threshold values.  This image also shows a mixture of temporary banned IPs (denoted with (T)) and permanently banned ones (shown with (P)).

Ban_ShortTimes

The various basic controls shown here are all discussed in this article.

In this article we consider how to Add, Edit, or Remove a specific IP entry using the Edit… button.

This is done with a set of nested dialogs which appear over the basic IP Ban Settings Dialog as shown below.

Ban_EditingWithData

The Edit… Button

When pressed this button displayed a list of currently banned IPs which can be further edited.   This button is disabled in the Lite and  Basic models of SNIP.   When pressed, a list of the current IPs is presented showing the point of time in the future when their banned periods will lapse. IPs which are permanently banned are denoted.

Ban_EditList

To operate on an entry to edit it or remove it, you must first select it.

Add / Edit Buttons

Pressing one of these button brings ups up an editing window as shown.

Ban_EditingWithData

If the Edit… button was pressed, the IP value may not be changed, only the time period.

If the Add… button was pressed, the IP value may be entered as well as the time period.

The time period is measured from the current time and the drop down allows selecting from a range of values.  If the Permanent button is checked, the selected IP will banned from connecting forever.

Ban_Edit_TimeDropdownRemove Button

The Remove button is used to remove the selected item from the list.

Close Button

The Close button is used exit the dialog.

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