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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.
Please see http://firehol.org/ for up-to-date releases and information. FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.
A MAC address based user authentication system for campus-wide network
This system restricts the network users and records usage log of the users. It is applicable to the campus wide network and is compatible to almost all network terminals.
MAIN DEVELOPMENT SITE IS MOVED FROM here TO "https://osdn.jp/projects/opengatem/"
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py-PF is a pure-Python module for managing OpenBSD's Packet Filter. It aims to combine the flexibility of PF's C API and the power of Python, making it easier to manage PF data and to integrate firewalling capabilities in more complex applications.
nf_quota is an ip-based traffic accounting project. IPs can be added to users. It provides a kernel module that hooks onto netfilter and counts every packet passing a specified interface. If the quota for a ip/user is exceeded, the packet is dropped.
TPCAT is based upon pcapdiff by the EFF. TPCAT will analyze two packet captures (taken on each side of the firewall as an example) and report any packets that were seen on the source capture but didn’t make it to the dest. See docs for info.
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.
A fast PPTP proxy for any BSD with OpenBSD packet filter installed. It handles multiple transparent bi-directional tunnels, and can be chained from one proxy to another over several servers.
AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
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.
nf-HiPAC is a high performance packet filter for Linux. It provides the same rich feature set as iptables but uses an advanced algorithm to minimize the number of memory lookups per packet.
Packet Auth. Sniffer (or Sequence) Allows you to set on your server this little daemon (pasmal) monitoring tcp/ip & icmp, and on the exact good sequence (the one you only know) run processes (a firewall) - such as access list update, iptables,ipchains.
The aimed users of this project are ISP, that uses Linux and Linux-based hosts as routers/servers. Requirements : Perl interpreter, iproute2 and iptables or ipchains. These perl scripts, will configure Linux kernel, routing, packet filter and QoS.
myNetWatchman Perl Agent is a program that is designed to capture rejected packet information from various firewall logs and forward this attack information to central analysis servers at myNetWatchman.com.
The Firewall Tester is a tool designed for testing firewalls' filtering policies. It includes an Intrusion Detection System testing feature, along with a packet generator tool and a sniffer. Unlike common firewall testing tools or packet generators, fte
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).
Simple Firewall is a easy tool for administration users and access control.
This tool is made for Linux.
Using iptables for packet filtering
Write in perl
Save rules with xml.
That can be run in bash shell and web via webmin.
This version of firewa
libpal is an easy-to-use, straightforward packet assembly library that allows programmers to forge any kind of IP, TCP, UDP, ICMP and application layer packages.
Hogwash is an inline packet scrubber that uses Snort's (www.snort.org) detection engine to drop malicious packets before they reach the target machine.
IPFC is a distributed management solution for security module (firewall, nids). Security module can be packet-filtering (ipfw,netfilter,ipf ...), NIDS or any other servers (syslog...) or embedded devices.
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.