Features Include:
- To be used with PHP-Nuke 7.1 to 7.9 - Patched 2.9.
- Converted eregi's to stristr's.
- Template system.
  = Templates are used for blocker responses and for the "Site Shutdown" system.
  = Templates for blockers are prefixed with abuse_.
  = Templates for admin settings are prefixed with admin_.
  = Have as many templates as you want/need and assign them thru the Amind and Config screens.
- Comes with 2 blocks and one module for displaying blocked IPs.
- 9 Blocker types.
  = Author/Admin hack blocker.
  = CLike hack blocker.
  = Union hack blocker.
  = Filter blocker.
  = Harvester blocker.
  = Referer blocker.
  = Scripting hack blocker.
  = Request Method blocker.
  = String blocker.
- DOS protection (on/off switchable).
- Force to nukeurl (on/off switchable).
- HTTPAuth/CGIAuth logins for admin.php (on/off switchable, settable per admin).
- Site Disable switch.
- Proxy blocker (on/off switchable).
- htaccess writable (on Apache servers).
- Display pages are sortable.
- Protected Admins (settable per admin).
- Help/Info ballon windows (onclick or onmouseover switchable).
- Each blocker can be tailored to yoru needs.
- Email reports can be sent to multiple admins.
- Enhanced Union and Clike blocker routines.
- Correction for backend.php file feeds.
- Correction for minor code errors.
- Reorganized blocker routines for better trapping.
- IP Tracking routines (on/off switchable).
- Blocked Ranges.
-Reserved Ranges.
- Corrected a bad case for IP2C Searching.
- Corrected the is_god function. Around line 801 you can allow superusers
   in but as default it requires GOD status.
- Corrected the blockers error of an empty set.
- A couple of other minor code changes.
- Corrected a missing HELP define.
- Added Santy Worm protection (Thanks to NSN France)
- Added check box so you can return to the Add IP/Range screens faster
- Recoded includes/sentinel.php to load and run faster.
- Rebuilt the Search function to search all ip areas at once and display the results.
- Added test switch for HTTPAuth and register_globals. Helps prevent admins being locked out of admin.php .
- Added switch for Santy Worm protection.
- NEW import system for adding IP 2 Country data and importing Blocked Ranges.
- Created master globals in includes/nukesentinel.php for easier and faster processing.
  - You can use the new master global by adding $nsnst_const to your global lines thruout PHP-Nuke.
- Added if (!get_magic_quotes_runtime()) to help prevent data not writing to the database.
- Adapted for 7.7 WYSIWYG editor.
- Enclosed table and field names with ` marks on sql queries.
- Improved the Add IP 2 Country Range failure report page.
- includes/nukesentinel.php checks for the $admin_file var and sets it if it isn't set.
- Added Country Listing page in IP 2 Country management. Now you can easily find the c2c codes.
- Blocking an IP Range now writes it's calculated CIDR(s) to the htaccess file.
- IP Range display pages also include the reanges calculated CIDR(s) in the display.
- Changed the IP Tracking from a max number of lines to a max number of days.
- Added the gfx=gfx_little clause to prevent from being tracked and wasting db space.
- Removed unused code and language defines.
- Corrected a Serch Results error.
+ Re-ordered the lang file to prevent Undefined error.
+ ChatServ updates to replace $x == "" to empty($x) in many locations.
+ Updated Edit Instructions (Includes updates by ChatServ for Patched 3.1).
+ Moved import directory out of the admin directory structure so it can be deleted after importing data easier.
+ Added routines to check range database table for overlaps.
+ Updated import data (ip2country data from the NukeSecripts site).
+ NEW Flood Protection on GET and POST requests. (Thanks to Manuel).
+ Added global for SERVER_ADDR as $nsnst_const['server_ip'] . Can be usefull in other scripts for check if the request comes from yoru server or from a client.
2.4.0a CHANGES (2005-08-23): + Updated for 100% W3C HTML 4.01 Transitional Compliance. + Updated Blocks for titles and compliance. + Moved "Country List" link to main menu. + Few minor bugs fixed.
+ And more........

2.4.0b CHANGES (2005-08-31):
+ Updated abuse folder files for 100% W3C HTML 4.01 Transitional Compliance.
+ Updated database table indexing to improve performance.
+ Added sorting options for Blocked Ranges.
+ Added option to email new IP2Country ranges to NSN.
+ Few minor bugs fixed.
2.4.2 CHANGES (2005-09-20):
+ Includes IP2Country 2005-09-19 updated imports.
+ Corrected save routines that were/are corrupted by the WYSIWYG editor.
- Removed extra block files.