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"diptables" is short for "distributed iptables" and as the name implies, it is trying to provide a facility to manage a large "firewall system" in which many number of single firwall machines exist. In this state, it is a very simple C++ program to add
Open Source System and Network Monitoring for Linux Desktop
Open Source system and network monitoring application for desktop Linux user. It gives end-user broader view of what happening on their system. The basic idea is give linux user application that can monitor system like many commercial antivirus HIDS.
A firewall configuration project based on Linux 2.6.x and iptables. It has a web interface with an intuitive Webmin module, or you can edit a XML file. You can define the different firewall elements (zones, hosts, networks) and then set the services
TuxFrw is a set of scripts created to ease the way Linux IPTables rules are configured. Using TuxFrw an user can configure his own Linux / Netfilter based network firewall, simply passing some IP address numbers and other services utilization policie
A package of scripts to watch for snort alerts, change / create firewall rules to block high priority alerts, and record recent blocks. It will increase block times based on previously recorded blocks
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Veil is designed to monitor arbitrary log files for certain user defined situations to automatically modify an iptables firewall to blacklist potential attackers.
C Based Open Source Web application firewall (WAF) for detecting SQL and xss attacks Simply works on the Access logs of Apache once an attack is detected it Grabs the Attackers IP and shoves it in an IPTables rule to drop once and for all.
Captive Portal to use with IPTables (with ip_set module). It's permit to control access from a sub-net to internet or to another sub-net. Uses unix account to validate users. It's an alternative to Natacl, Sphirewall, Zorp, Nocat, Nufw and others.
pam_iptrecent is a PAM module that interfaces with the Netfilter/IPtables Recent module IP lists. This allows PAM authenticated sessions to add (and remove) IP addresses to firewall rules on linux servers.
Kaladix Blueshield is a high level tool for configuring packet filtering with iptables/netfilter, policy routing and load balancing with iproute2 and traffic control through tc under GNU/Linux. With BlueShield you can easily create and maintain your
ShellTer is an iptables-based firewall. What sets it apart from the rest is that it has built-in SSH brute force protection. It is easy to configure and has an interactive CLI installer.
Login Alert is a small one click wizard GUI that sets up scripts on your Ubuntu/Debian Linux box. SSH Brute Force prevention through iptables, SSH and local login email alert notifications, able to install fail2ban and denyhost with a tick of the mouse.
This is an automated, easy to use linux based tool, to keep attackers outside. Based on iptables, developed on ContOS, but also tested on RedHat, Fedora, SuSE (iptables instead of SuSE Firewall). Created by Salcay's Boring Hours.
A light script to make a black-list system troug iptables. You can create the black-list and manage it troug this program. Please read README file to know better this script.
GNIPS is a network intrusion prevention system for Linux using Snort and iptables. It alerts user of incoming attacks on their network and allows them to block any offending hosts. It's also possible to configure GNIPS to send out alert emails.
Running as a daemon it monitors /var/log/messages(configurable)
for bastille iptables and PSAD scan alerts with a max threshold (configurable)
It will block ip on iptables instantly and send abuse email out.
Requires a few perl modules (tries to install)
mIBB - my Iptables Blacklist Builder - is a small script written to be used through the crontab, that looks into /var/log/auth.log for failed logins and builds bad boys blacklist.
BadTuxWall will help you to implement your own firewall on a Linux operating system using an efficient graphical user interface. It also allows you to generate iptables scripts, export them and share them with friends.
Snort_inline is a modified version of Snort. It accepts packets from iptables, instead of libpcap. It uses new rule types to tell iptables if the packet should be dropped or allowed to pass based on the Snort rules.