Manage port forwardings via UPnP
The UPnP PortMapper can be used to easily manage the port mappings/port forwarding of a UPnP enabled internet gateway/router in the local network.
A java PCAP and DPI library
A java wrapper for popular "libpcap" and "WinPcap" libraries. Accurate full API translation. Packet buffers delivered with no copies. Send custom packets, gather statistics. Comprehensive and easily extensible DPI engine.
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
Java-based Open Source WAF (Web Application Firewall) to include inside a web application in order to protect it against attacks like Cross-Site Request Forgery (CSRF), Parameter Manipulation and more.
Jateway is a general purpose TCP/IP connection proxy
Jateway is a general purpose TCP/IP connection proxy. Jateway accepts connections on arbitrary ports (like 80 or 443) and specific host:port combinations (like WANIP1:443 and WANIP2:443) for multi-interface systems Supports single TCP connections (like MySQL), and multi-TCP connections like HTTP and HTTPS, and fowards them to arbitrary host/port combinations.
This is an open source port mapper written in java nio no-blocking socket model. Open Port Mapper allows multiple ports mappings, and it provides the functionality of specifying allow list and deny list.
PfPro is a "fat" client for managing configurations for PF-based firewalls. It is a graphical client-side application for managing multiple firewall configurations.
SquidRestrict is a Web based tool that allows multiple time restrictions to be placed on internet usage for firewalls that use the Squid Web Cache (http://www.squid-cache.org/).
TEF is a fully-featured, secure and has advanced capabilities including the intuitive Xsentry easy-to-use administration graphical user interface with WYSIWYG (What You See Is What You Get) front end which has drag and drop security policy deployment.
Fireflier is a firewall tool, which is built on top of the iptables framework. You can create rules based on single incoming network packets or simply allow/deny single packets to pass. This project is discontinued. (see homepage)
The security proxy is a reverse proxy that hides and serves several webapps. It handles their authentication needs transparently (single sign-on), may be configured to impose HTTPS client connections (on URL basis) and rewrite URLs of content it delivers.