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Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (softphones & hardphones) to work behind an IP masquerading firewall or router.
Bi-directional Wireless Sensor Line Protocol(Bi-WSLP) is a sensor network communication protocol based on a line topology, which is common in outdoor monitoring cases for IoT(Internet of Things). Bi-WSLP runs fast and provides a response rapidly, yet it takes a small code size occupies small memory. Bi-WSLP can be easily ported to various hardware platforms because it is coded in C, which is the most popular programming language for embedded systems. In addition, Bi-WSLP allows transmission...
yxorp is a reverse proxy and application level firewall for the HTTP protocol. It can do all kinds of checks on HTTP traffic, and is highly configurable. It also has other functions that are useful for a web frontend, like load balancing.
The VII is intended to be used in firewall/IPS testing and stressing testing by simulate IP/TCP/ARP/... packets. VII is a c script based tool which can send any kinds of customized packets. It support random protocol/port/ip.
The purpose of the Hi-Performance Protocol Identification Engine/HiPPIE is to analyze network traffic, and determine what protocol is in use within a given session based on packets sent to the engine. Linux kernel mod with support for iptables/netfilter
The library implements generic content inspection protocol API compatible with Sendmail Milter, thus allowing various applications and proxies to use Milter-compatible filters without running sendmail itself. It is here to replace Checkpoint\'s OPSEC/CV
Allows use of the same port for both a SSH server and SSL (https) server, without needing changes to clients. Incoming connections will be proxied to a SSH or SSL server depending on the protocol spoken by the client. Handy if your home box runs a secure
Enable Linux firewall to support connection tracking and NAT of H.323 protocol. It supports RAS, Fast Start, H.245 Tunnelling, Call Forwarding, Signal Proxy/Softswitch, RTP/RTCP and T.120 based audio, video, fax, chat, whiteboard, file transfer, etc.
Open Firewall is a way to agregate some good technologies to make a complete, robust and fast application level firewall. It will provide an open framework for developpers who wish to implement protocol filters.
The Nemesis Project is designed to be a command line based, portable human
IP stack for UNIX-like and Windows systems. The suite is broken down by
protocol, and should allow for useful scripting of injected packets from
simple shell scripts.
The SWAP (Secure Wireless Access Point) project is intended for use in embedded appliances. These appliances will operate in the role of a WEP (wireless encryption protocol) and IPSEC enabled wireless access point, IPSEC VPN gateway, and firewall.
Remote Packet Filter Control Daemon allows remote control and monitoring of OpenBSD's packet filter. It communicates with clients using RPFC protocol running on top of SSL (Secure Socket Layer).
Hank is a scalable, extensible, modular, threaded user-space program to handle all your packet juggling needs. It'll analyze, report, and act on network traffic in any protocol, at any OSI layer, at any nesting depth. And it'll do it damned fast.
A Simple Middlebox Configuration Protocol (RFC 4540) implementation for Linux.
SIMCO is a signaling protocol that can be used by applications (such as SIP B2BUAs) to dynamically control firewalls and Network Address Translators (NATs).
IP Blocking Daemon based on nfblockd and moblock that merges the best of both with changes as well. The major change is to logging. ipblkd will log source and destination IP as well as ports and protocol.