Search Results for "packet filter"
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Showing 26 open source projects for "packet filter"
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netsniff-ng
A Swiss army knife for your daily Linux network plumbing
netsniff-ng is a free Linux networking toolkit, a Swiss army knife for your daily Linux network plumbing if you will. Its gain of performance is reached by zero-copy mechanisms, so that on packet reception and transmission the kernel does not need to copy packets from kernel space to user space and vice versa. Our toolkit can be used for network development and analysis, debugging, auditing, or network reconnaissance. -
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Wavelets.jl
A Julia package for fast discrete wavelet transforms and utilities
A Julia package for fast wavelet transforms (1-D, 2-D, 3-D, by filtering or lifting). The package includes discrete wavelet transforms, column-wise discrete wavelet transforms, and wavelet packet transforms. 1st generation wavelets using filter banks (periodic and orthogonal). Filters are included for the following types: Haar, Daubechies, Coiflet, Symmlet, Battle-Lemarie, Beylkin, Vaidyanathan. 2nd generation wavelets by lifting (periodic and general type including orthogonal and biorthogonal). Included lifting schemes are currently only for Haar and Daubechies (under development). ... -
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Netdeep Secure Firewall
Next Generation Open Source Firewall
Netdeep Secure is a Linux distribution with focus on network security. Is a Next Generation Open Source Firewall, which provides virtually all perimeter security features that your company may need. It offers Web content filters, ensuring better performance of the network, allowing users to use the service efficiently and securely, providing a deep control of the use of the Web access service, blocking access to unwanted websites, Virus, Spam, Applications and intrusion attempts. Its... -
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fwknop
Single Packet Authorization, Port Knocking
fwknop stands for the "FireWall KNock OPerator", and implements an authorization scheme called Single Packet Authorization (SPA). This method of authorization is based around a default-drop packet filter (fwknop supports iptables and firewalld on Linux, ipfw on FreeBSD and Mac OS X, and PF on OpenBSD) and libpcap. SPA is essentially next-generation port knocking (more on this below). The design decisions that guide the development of fwknop can be found in the blog post "Single Packet Authorization: The fwknop Approach". -
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Divert
WinDivert: Windows Packet Divert
Windows Packet Divert (WinDivert) is a user-mode packet interception library for Windows 7, Windows 8 and Windows 10. WinDivert can be used to implement user-mode packet filters, sniffers, firewalls, NATs, VPNs, IDSs, tunneling applications, etc. -
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PacketStreamer
Distributed tcpdump for cloud native environments
Deepfence PacketStreamer is a high-performance remote packet capture and collection tool. It is used by Deepfence's ThreatStryker security observability platform to gather network traffic on demand from cloud workloads for forensic analysis. PacketStreamer sensors are started on the target servers. Sensors capture traffic, apply filters, and then stream the traffic to a central receiver. Traffic streams may be compressed and/or encrypted using TLS. -
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NTSd
Network Time Security Protocol Daemon
NTSD connects NTS (Network Time Security) and NTPD (Network Time Protocol Daemon), so that existing algorithms and mechanisms of NTPD can still be used and only the ethernet packet exchange and the signing and verification needs to be done by NTSD. Thereby, it is ensured that on the one hand, clock filter, selection, cluster and discipline algorithms can be used by NTS clients, and on the other hand NTS servers can make use of NTPD‘s reference clock support to use i.e. a GPS receiver as time source. -
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voidd
honeypot listener to feed block lists or what have you
Listens for connections on ports and executes a script when a connection is made. Useful for populating packet filter tables with ip's from bots/scanners. -
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You can make a simple MSN control (which users can login), web authentication gateway (Horatio based), load balance (iproute2), traffic shape (QoS), simple packet filter and NAT redirects (DNAT), loadbalance and VPN gateway or roadwarrior and ...
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exd
A command line tool to manage bytes in hex dumps or packet captures
Command-line tool to examine or edit bytes in hex, octal, binary, or in packet capture (pcap) dumps. Exd is intended to be used in conjunction with hex dump tools such as xxd, od, hexdump, or hd, and with packet capture dump tools such as tshark and text2pcap. --- metadata tags byte hex octal binary pcap packet packet dump hexdump -
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IPFIRE-wall is a framework that implements a network firewall. It can be used in desktop systems and in simple network configurations, providing a friendly graphical interface and a simple installation procedure. Also unprivileged users can personalize.
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Personal Firewall
simple firewall Api implementation using Windows Server 2003 and XP
simple packet filter library using Ip Helper Api Libary implementation , creating and adding filters,setting traffic direction, protocols, and ports. writing with c++ , support .net http://proxytype.blogspot.com -
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l7-filter classifies packets based on patterns in application layer data. This allows correct classification of P2P traffic that uses unpredictable ports as well as standard protocols running on non-standard ports.
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Complex iptables deny-by-default firewall suitable for a server, single workstation or laptop, or a home or office LAN.
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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.
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A handy packet sniffer for debugging experimental network protocols. You can audit packets via process id, pcap filter expression and extended or basic regexps. Packets can be dumped in hex for plain-text.
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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.
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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.
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NitPicker is a Ethernet-IP-Accounting Solution. It runs under FreeBSD4.X and uses the BPF-Device (Berkeley Packet Filter) for accessing the raw Ethernet Frames. It figures out the IPtype (TCP,UDP,ICMP,...) and the Flow of any received packet.
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Packet Filter (PF) is OpenBSD\'s firewall and traffic shaper. This is a port of this excellent software to FreeBSD.
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Network Volume monitor logs packets information (src_ip, dst_ip, date, size of packets)(based on libpcap library) upon filter(s) and device into any stockage you want (currently 2 plugins are written simple flat file (each packet is logged) and mysql dat
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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).
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Alwis attempts to simplify the setup of a firewall (stateful packet filter) via the iptables tools. Alwis is a bash shellscript that generates (hopefully) sensible and secure rules for Netfilter based on a simple configuration file. Even though this is
