Tcp
Cfengine is a tool for setting up and maintaining BSD and System-5-like operating system optionally attached to a TCP/IP network. You can think of cfengine as a very high level language, much higher level than Perl or shell: a single statement can result in many hundreds of operations being...
Platforms: *nix
License: Freeware | Size: 3.4 MB | Download (109): GNU cfengine Download |
interfaceTrafcalc calculates the size of the TCP-payload on a system via packet capturing and connection tracking at the user level instead of the IP level. The program uses a pcap (a library for Packet CAPturing) callback function which is called for every incoming (tcp) packet. This function...
Platforms: *nix
License: Freeware | Size: 29.7 KB | Download (96): trafcalc Download |
SRCP is a TCP/IP Protocol to cover all aspects of model railroading. It is ascii text based and follows a strict command-response schema. In the world of SRCP the server is the interface to the model railway system. Any client connects to the server and recieves information about the state of...
Platforms: *nix
License: Freeware | Size: 276.48 KB | Download (94): srcpd Download |
PINT is a handy tool for debugging any TCP/IP (or UDP) software. It can be made to listen to a server socket or to connect to a remote host. The resulting connection is displayed, with separate display for the inbound and outbound traffic. MISSING FEATURES UDP/RAW support noticing connection...
Platforms: *nix
License: Freeware | Size: 25.6 KB | Download (132): PINT Download |
VTun is the easiest way to create Virtual Tunnels over TCP/IP networks with traffic shaping, compression, and encryption. In order to compile VTun you need some software packages..
Platforms: *nix
License: Freeware | Size: 65.54 KB | Download (96): VTun Download |
pynids is a python wrapper for libnids, a Network Intrusion Detection System library offering sniffing, IP defragmentation, TCP stream reassembly and TCP port scan detection. Let your own python routines examine (or kill) network links. pynids is free software, licensed under the GPL. To...
Platforms: *nix
License: Freeware | Size: 133.12 KB | Download (103): pynids Download |
StdioTunnel project allows you to tunnel arbitrary TCP connections through any shell access connection. If the connection provides a clear 8-bit data path and allows you to start programs, you can use it with StdioTunnel. It tunnels TCP connections in much the same way SSH does, but is useful...
Platforms: *nix
License: Freeware | Size: 87.04 KB | Download (96): StdioTunnel Download |
Sealing Wafter is an OpenBSD kernel module that detects nmap scans and prevents proper identification of open TCP ports. Sealing Wafter module also gives protection against dsniff tcpkill RST packets by dropping them. More testing is needed to prevent breakage of network applications. Whats...
Platforms: *nix
License: Freeware | Size: 15.36 KB | Download (88): Sealing Wafter Download |
poink provides a TCP/IP-based ping tool. poink is a TCP/IP-based ping implementation that does not require special privileges and is designed for multiuser shell systems. It is intended to be a secure replacement for the standard IPv4 network monitoring tool. Not much to say... This is a...
Platforms: *nix
License: Freeware | Size: 12.29 KB | Download (113): poink Download |
fl0p is a passive L7 flow fingerprinter that examines TCP/UDP/ICMP packet sequences. It can also can peek into cryptographic tunnels, can tell human beings and robots apart, and performs a couple of other infosec-related tricks. This approach differs from the techniques used by most other...
Platforms: *nix
License: Freeware | Size: 30.72 KB | Download (95): fl0p Download |
libports library is a simpler API for TCP sockets. libports is a package that can be used for creating inbound and outbound sockets. It has a few functions to read, write and create new TCP sockets. You can create and read inbound/outbound sockets with only a few lines of code. It should...
Platforms: *nix
License: Freeware | Size: 22.53 KB | Download (89): libports Download |
Hafiye is a POSIX-compliant, customizable TCP/IP packet sniffer. When I looked at the source code for various famous sniffers, Ive noticed that they all had all seperate .C files for interpreting various protocols. Why not have a sniffer that can understand user-supplied protocol details? Here it...
Platforms: *nix
License: Freeware | Size: 8.19 KB | Download (95): EnderUNIX Hafiye Download |
GNU Transport Layer Security Library is a library which implements a secure layer over a reliable transport layer such as TCP/IP. GNU Transport Layer Security Library implements the TLS 1.0 and SSL 3.0 protocols, accompanied with authentication methods such as X.509, OpenPGP, and SRP.. Libmhash
Platforms: *nix
License: Freeware | Size: 2.4 MB | Download (103): GNU Transport Layer Security Library Download |
Zebedee is a simple program to establish an encrypted, compressed "tunnel" for TCP/IP or UDP data transfer between two systems. This allows data from, for example, telnet, ftp and X sessions to be protected from snooping. You can also use compression, either with or without data encryption, to...
Platforms: *nix
License: Freeware | Size: 174.08 KB | Download (129): Zebedee Download |
conn-close gives us possibility to get rid of entries in ip_conntrack about ESTABLISHED TCP connections that goes through our server. conn-close script uses hping2 to send spoofed RST packets which will fool conntrack and cause specified connections to be considered by conntrack as closed (now...
Platforms: *nix
License: Freeware | Size: 3.07 KB | Download (100): conn-close Download |
SSL Proxy server listens on a TCP port, accepts SSL connections, and forwards them to another local or remote TCP port. For example, it is possible to create an HTTPS server if you have an HTTP server and you run an SSL Proxy server on port 443 which forwards the connections to port 80. SSL...
Platforms: *nix
License: Freeware | Size: 20.48 KB | Download (162): Symbion SSL Proxy Download |
TCPreen is a simple tool to monitor and analyze data transmitted between clients and servers through connection-oriented streams data such as a TCP sessions; it supports TCP over either IPv4 or IPv6. This tool focuses on the data stream (software/socket layer), not on the lower level transmission...
Platforms: *nix
License: Freeware | Size: 40.96 KB | Download (107): TCPreen Download |
The Network Security Monitor Daemon is a lightweight network security monitor for TCP/IP LANs. It will capture certain network events and record them in a relational database. The recorded data is available for analysis through a CGI-based interface. You can run test version with ./Monitord,...
Platforms: *nix
License: Freeware | Size: 33.79 KB | Download (106): Network Security Monitor Daemon Download |
IPplan is a free (GPL), web based, multilingual, TCP IP address management software and tracking tool written in php 4, simplifying the administration of your IP address space. IPplan goes beyond TCPIP address management including DNS administration, configuration file management, circuit...
Platforms: *nix
License: Freeware | Size: 1.2 MB | Download (129): IPplan Download |
NetEclipse is a suite of tools created for testing TCP/IP weaknesses and using them in a non-conventional way, such as testing security and limits of IP version 4 protocols. The Makefile is extremely simple but it should do its work... To install extract the package "neteclipse-x.xx" and launch...
Platforms: *nix
License: Freeware | Size: 245.76 KB | Download (92): NetEclipse Download |