Nodogsplash offers a simple way to provide restricted access to an internet connection. It is intended for use on wireless access points running OpenWRT (but may also work on other Linux-based devices).
A very simple to use java firewall testing tool. Ever wanted to verify that a TCP or UDP network path is actually open? This tool has both server and client modes so you can test network paths between any two computers that have the Jave JRE installed.
fli4l is a single-floppy Linux-based ISDN/DSL/ethernet-router. It features configuration with some simple ASCII-files and several possible connection-flavors (in/out/callback, raw IP/PPP, PPPoE).
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sbills is an Internet traffic monitor. If, for example, you have a local network with a Linux server that provides users with Internet access, it allows you to control Internet traffic.
Siganture Translator is a Java application which can translate signatures between different IDS's and Common Intrusion Detection Signatures Standard (CIDSS).
diptables is simple shell script, that through one method interactive (using dialog and iptables) create a rule of iptables for the local machine. It is very interesting for who is starting to work with iptables.
DAXFi is a Python package that helps configure several different kinds of firewalls in a consistent way. The rules are described in XML. It comes with a Python package, useful to build other applications and includes some useful example programs.
...It can apply a security policy (profiles stored in a LDAP directory) to an existing set of applications, consolidate websites, encrypt all communications, rewrite simple URLs...
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Netsys is a simple network management system utility for make esier the control of your network. You can control too much things like firewall, NAT, Servers, Pings, and more.
Human Configurator for iptables and tc [traffic control], in order to obtain a traffic-shaping system with a few of click. Basically, it's a perl script which parse an xml config file, where you can put your shaping and filtering rules for your net(s)/h
winKnocks is an encrypted(DES) port knocking tool. Knock sequences are defined through XML files; users specify: number of packets of each knock sequence, payload and header of each packet. Logging capability. Generation of smoke packets.No replay-attack
PacketFlow is a command line utility that processes an XML configuration to generate a set of firewall rules. It is intended to be installed and run directly on the firewall itself. PacketFlow was designed to deal with complex configurations.
SSPE: Simple Security Policy Editor is a simple distributed firewall with an central ascii administration. It uses two plain manually edited ascii-files and some other, static files for each of the target-machines to generate iptables.
syndetector is a software which can detect and drop packet when a synflood attack is detected ! Based on a simple detection system (by the use of iptables and libipq) and on a simple use It is realy easy to setup this software.
etherdam is an IPTables firewall configuration engine; it implements a primitive (and hopefully simple) scripting language as an alternative to direct use of iptables.
This project wants to provide useful tools for routing simple small private networks using a dial-up or broadband link. These tools consist of firewall and traffic shaping tools currently. Any feedback is welcome.
jRouter is a Web-based Linux router management system. It's designed to be a simple all-in-one router setup and management utility. Allows configuration of network interfaces, dhcpd, iptables, port forwarding, IP/MAC address filters.
Simple-to-use, dynamic, rule-based firewall addition. Uses QUEUE/userspace to dynamically approve or drop packets based on custom rules. With frequency caching, friend/foe indication, loose IP matching, and customizable logging.
Easiest way to turn a Linux System into a Nat router with a web interface for firewall configuration and monitoring.
For beginers, offers a simple and secure solution.
For advanced users, a customizable and friendly way of remote administration.