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Free net speeder lite keep your connection secure, prevent automatic disconnections. Add more speeds greater than 115200 to your modem settings. Speed up your connection without any networking or communication background requirements. Detect your OS to indicate the best settings for your system.... Platforms: Windows

Harden-It 1.10 Windows Security Hardening Tool harden your TCP/IP Stack and Local System. Harden-It is a Network and System hardening tool for Windows, by hardening the IP stack your Network can sustain or completely twarth various sophisticated network attacks. E Harden your server's TCP... Platforms: Windows

Enhanced Reverse Pimpage project is an enhanced version of the original rpimp by Matt Miller. Reverse Pimpage was designed to allow you to access a computer that is behind a firewall from outside that firewall itself. The way it accomplishes this is by having the client (the computer behind the... Platforms: *nix

Lutz provides a fast and small port scanner with stealth scanning and OS detection. Lutz is a fast and small stealth port scanner, similar to nmap. It has the most popular scanning options (SYN, FIN, XMAS Scan, PROTO Scan, etc.) and simple OS detection. It supports some very beta idle... Platforms: *nix

ETrace is a configurable static port network tracing tool, similar to traceroute, but supporting ICMP, TCP, UDP and other IP protocols. Usage: etrace [ -BbCcnv ] [ -p profile ] [ -F config ] [ -i interface ] [ -I icmp-type ] [ -T port ] [ -U port ] [ -P protocol ] [ -r probe-count ] [ -t... Platforms: *nix

NAT iptables firewall script is an iptables firewall script. This script is meant to be run once per boot the rules will be double added if you try to run it twice if you need to add another rule during runtime, change the -A to a -I to add it to the top of the list of rules if you use -A it... Platforms: *nix

pkdump is a port scanning detection tool. The program detect any TCP ,UDP port scanning or open connection attempt from foreign host over the internet with IP protocol version 4 or IP protocol version 6 . The program can detect: TCP connect , TCP syn , TCP fin , TCP xmas, TCP ack, TCP null(no... Platforms: *nix

Fwctl is a Perl module to configure the Linux kernel packet filtering firewall. SYNOPSIS use Fwctl; my $fwctl = new Fwctl( %opts ); $fwctl->dump_acct; $fwctl->reset_fw; $fwctl->configure; Fwctl is a module to configure the Linux kernel packet filtering firewall using higher level... Platforms: *nix

IPFIRE-wall is an IPv4 Packet Filter with Network Address Translation capabilities. It can be used in desktop systems and in simple network configurations, providing a friendly interface and a simple installation. Also unprivileged users can personalize. Whats New in This Release: Kernel:... Platforms: *nix

seppl is both a protocol definition and a software implementation of a new encryption layer for IPv4. seppl project makes use of symmetric cryptography for encrypting the whole traffic on a network. Its implementation is designed around Linux netfilter/iptables. seppl introduces two new... Platforms: *nix

Wflogs is a firewall log analysis tool. It can be used to produce a log summary report in plain text, HTML and XML, or to monitor firewalling logs in real-time. This project is part of the WallFire project, but can be used independently. Usage examples: wflogs -i netfilter -o html... Platforms: *nix

Yavipind is a secure tunnel aka 2 peers securely forwarding packets toward each other. It forwards any kind of packet (IPv4, IPv6 or other) sent over the virtual point-to-point device (e.g. tun0). It fully runs in linux userspace. yavipin has been written because i wasnt satisfied by the... Platforms: *nix

KFireWatcher is a application to view the firewall logs in a more readable form. (just remote ip address, local if local connection, only the needed infos...) Needs kommander 3.5, and a separate firewall-log file (you can separate firewall lines with syslog-ng). Accepts logs multilines with... Platforms: *nix

checksuite was written specifically to assist system administrators with the day-to-day tasks of monitoring a system. It is in, no way, a replacement of an actual system administrator. I originally created these programs to help me out, because of all the excruciating long hours at work. Plus,... Platforms: *nix

psad is a collection of three lightweight system daemons (two main daemons and one helper daemon) that run on Linux machines and analyze Netfilter log messages to detect port scans and other suspicious traffic. psad incorporates many signatures from the Snort intrusion detection system to... Platforms: *nix

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

DNS Blacklist Packet Filter project is a Linux netfilter client that decides whether to accept or drop packets based on the results of a DNS blacklist query (such as MAPS, SORBS, or SPEWS, to name a few). One use is to filter all incoming SMTP SYN packets for spam filtering.. Platforms: *nix

iplog is a TCP/IP traffic logger. Currently, it is capable of logging TCP, UDP, and ICMP traffic. iplog is able to detect TCP port scans, TCP null scans, FIN scans, UDP and ICMP "smurf" attacks, bogus TCP flags, TCP SYN scans, TCP "Xmas" scans, ICMP ping floods, UDP scans, and IP fragment... Platforms: *nix

Honeytrap project trap attacks against tcp services. Honeytrap is a network security tool written to observe attacks against TCP services. As a low-interactive honeypot, it collects information regarding known or unknown network-based attacks and thus can provide early-warning information. The... Platforms: *nix

NetPacket::TCP is a Perl module to assemble and disassemble TCP (Transmission Control Protocol) packets. SYNOPSIS use NetPacket::TCP; $tcp_obj = NetPacket::TCP->decode($raw_pkt); $tcp_pkt = NetPacket::TCP->encode($ip_pkt); $tcp_data = NetPacket::TCP::strip($raw_pkt); NetPacket::TCP... Platforms: *nix