ipt_pkd is an iptables extension implementing port knock detection. This project provides 3 parts: the kernel module ipt_pkd, the iptables user space module libipt_pkd.so, and a user space client knock program. For the knock packet, it uses a UDP packet sent to a random port that contains a SHA-256 of a timestamp, small header, random bytes, and a shared key. ipt_pkd checks the time window of the packet and does the SHA-256 to verify the packet. The shared key is never sent.
8dc3716f11ad90da9b374137c9c47488iptables is built on top of netfilter, the packet alteration framework for Linux 2.4.x and 2.6.x. It is a major rewrite of its predecessor ipchains, and is used to control packet filtering, Network Address Translation (masquerading, portforwarding, transparent proxying), and special effects such as packet mangling.
a138d1c2e74321e0e4e228a9fb301c9aThe Mandos system allows computers to have encrypted root file systems and at the same time be capable of remote or unattended reboots. The computers run a small client program in the initial RAM disk environment which will communicate with a server over a network. All network communication is encrypted using TLS. The clients are identified by the server using an OpenPGP key that is unique to each client. The server sends the clients an encrypted password. The encrypted password is decrypted by the clients using the same OpenPGP key, and the password is then used to unlock the root file system.
76490d5b2b3ccd453cb5b7e0fc3fd6deKsplice is practical technology for updating the Linux kernel without rebooting. It enables you to avoid the disruptive process of rebooting for kernel security updates and bugfixes. By making it easy to keep your systems up to date, Ksplice helps you avoid the security and stability risks of running out-of-date software.
252b6d7e0a209d58def5290cb18350a1Vuurmuur is a middle-end and front-end for netfilter and iptables that is aimed at system administrators who need a decent firewall, but do not have netfilter specific knowledge. It converts human-readable rules into an iptables ruleset (or optional a bash script), makes netfilter logs readable, and includes an ncurses GUI.
f34cff6d33f8e1d5845ce699b06b6674SlackFire is an firewall script implemented with iptables. It is completely configurable via a CLI, as all configuration is performed via configuration files. It supports all kinds of packet forwarding, including NAT, NAT with port redirection, and forwarding to machines with routable IP addresses. The configuration files are heavily commented, and messages in the log file are as informative as possible.
f7a8b5fec157ff04bd34f148c94a9b8bPoldi is a PAM module that implements authentication through the OpenPGP smart card. It uses the smart card daemon from the GnuPG project for smart card access.
5a0312c3124e3dbb558a24f1017c169cThis is a simple piece of code for GNU/Linux that masquerades a process.
71c899862335f75f742149359cd60de6Pam_p11 is a pluggable authentication module (PAM) package for using cryptographic tokens such as smart cards and USB crypto tokens for authentication. Pam_p11 is very simple, as it has no config file, no options other than the PKCS#11 module file, and does not know about certificate chains, certificate authorities, revocation lists, or OCSP. There is one module that uses the $HOME/.eid/authorized_certificates file (like the old pam_opensc did) and one module that uses the $HOME/.ssh/authorized_keys file (like ssh does).
eee73804eaf2ef77e18cf6a777009509FireHOL a simple yet powerful way to configure stateful iptables firewalls. It can be used for almost any purpose, including control of any number of internal/external/virtual interfaces, control of any combination of routed traffic, setting up DMZ routers and servers, and all kinds of NAT. It provides strong protection (flooding, spoofing, etc.), transparent caches, source MAC verification, blacklists, whitelists, and more. Its goal is to be completely abstracted and powerful but also easy to use, audit, and understand.
cbbe1ba21cf44955827d5c906a55aa21ipt_pkd is an iptables extension implementing port knock detection. This project provides 3 parts: the kernel module ipt_pkd, the iptables user space module libipt_pkd.so, and a user space client knock program. For the knock packet, it uses a UDP packet sent to a random port that contains a SHA-256 of a timestamp, small header, random bytes, and a shared key. ipt_pkd checks the time window of the packet and does the SHA-256 to verify the packet. The shared key is never sent.
7ff6ab126922499e670b12c1882d5e7dipt_pkd is an iptables extension implementing port knock detection. This project provides 3 parts: the kernel module ipt_pkd, the iptables user space module libipt_pkd.so, and a user space client knock program. For the knock packet, it uses a UDP packet sent to a random port that contains a SHA-256 of a timestamp, small header, random bytes, and a shared key. ipt_pkd checks the time window of the packet and does the SHA-256 to verify the packet. The shared key is never sent.
12bb0ad2c69e51769b69a48250a71e64ipt_pkd is an iptables extension implementing port knock detection. This project provides 3 parts: the kernel module ipt_pkd, the iptables user space module libipt_pkd.so, and a user space client knock program. For the knock packet, it uses a UDP packet sent to a random port that contains a SHA-256 of a timestamp, small header, random bytes, and a shared key. ipt_pkd checks the time window of the packet and does the SHA-256 to verify the packet. The shared key is never sent.
0afdcf6e8d63aad93be0d9357a8d173biptables is built on top of netfilter, the packet alteration framework for Linux 2.4.x and 2.6.x. It is a major rewrite of its predecessor ipchains, and is used to control packet filtering, Network Address Translation (masquerading, portforwarding, transparent proxying), and special effects such as packet mangling.
723fa88d8a0915e184f99e03e9bf06cbSimple tool to verify if an ELF binary needs 32-bit or 64-bit architecture.
0ed44f8f78f2b083eda4735412eb335eZoneMinder is a suite of applications intended for use in video camera security applications, including theft prevention and child or family member monitoring. It supports capture, analysis, recording, and monitoring of video data coming from one or more cameras attached to a Linux system. It also features a user-friendly Web interface which allows viewing, archival, review, and deletion of images and movies captured by the cameras. The image analysis system is highly configurable, permitting retention of specific events, while eliminating false positives. ZoneMinder supports both directly connected and network cameras and is built around the definition of a set of individual 'zones' of varying sensitivity and functionality for each camera. This allows the elimination of regions which should be ignored or the definition of areas which will alarm if various thresholds are exceeded in conjunction with other zones. All management, control, and other functions are supported through the Web interface.
ee803f0f71d6e67adf602c3557fb6bc9Firewall Builder for PIX hides the complexity of PIX command line interface and automatically configures options and parameters that usually make manual configuration a real chore. With this module, the same workstation running Firewall Builder can create and manage security policy on Cisco PIX or FWSM firewalls, as well as on firewalls built with iptables, OpenBSD pf, or ipfilter.
dade153059782164b0d326f964eca63aipt_pkd is an iptables extension implementing port knock detection. This project provides 3 parts: the kernel module ipt_pkd, the iptables user space module libipt_pkd.so, and a user space client knock program. For the knock packet, it uses a UDP packet sent to a random port that contains a SHA-256 of a timestamp, small header, random bytes, and a shared key. ipt_pkd checks the time window of the packet and does the SHA-256 to verify the packet. The shared key is never sent.
ffa642603470605b248a1ee74a6adbd3This is a simple piece of code for GNU/Linux that masquerades a process.
9c066d22076bd04c0e578930839f59a8A simple tool for Linux that allows the dumping of all physical memory (RAM).
9226efe8cb4cc30143ed8d879af57099ZoneMinder is a suite of applications intended for use in video camera security applications, including theft prevention and child or family member monitoring. It supports capture, analysis, recording, and monitoring of video data coming from one or more cameras attached to a Linux system. It also features a user-friendly Web interface which allows viewing, archival, review, and deletion of images and movies captured by the cameras. The image analysis system is highly configurable, permitting retention of specific events, while eliminating false positives. ZoneMinder supports both directly connected and network cameras and is built around the definition of a set of individual 'zones' of varying sensitivity and functionality for each camera. This allows the elimination of regions which should be ignored or the definition of areas which will alarm if various thresholds are exceeded in conjunction with other zones. All management, control, and other functions are supported through the Web interface.
8f203786bbe14d3e31a18f9dace98113Rule Set Based Access Control (RSBAC) is an open source security extension for current Linux kernels. It is based on the Generalized Framework for Access Control (GFAC) and provides a flexible system of access control implemented with the help of a kernel patch. All security relevant system calls are extended by security enforcement code. This code calls the central decision component, which in turn calls all active decision modules and generates a combined decision. This decision is then enforced by the system call extensions.
4da0f85d10ac8b598838a843a322e187This is a kernel module for Linux 2.6 to replace vmsplice() function with another that does nothing. The purpose of the module is to evade the attacks to the system call logging to kernel messages the usage attempts of vmsplice() with the arguments.
8b52e9351c6750b2477b8a046d192badZoneMinder is a suite of applications intended for use in video camera security applications, including theft prevention and child or family member monitoring. It supports capture, analysis, recording, and monitoring of video data coming from one or more cameras attached to a Linux system. It also features a user-friendly Web interface which allows viewing, archival, review, and deletion of images and movies captured by the cameras. The image analysis system is highly configurable, permitting retention of specific events, while eliminating false positives. ZoneMinder supports both directly connected and network cameras and is built around the definition of a set of individual 'zones' of varying sensitivity and functionality for each camera. This allows the elimination of regions which should be ignored or the definition of areas which will alarm if various thresholds are exceeded in conjunction with other zones. All management, control, and other functions are supported through the Web interface.
2a70f4708a414be37187700823e87fb4Floppyfw is a router and firewall in one image. It uses Linux basic firewall capabilities, and has a simple packaging system. It is ideal for masquerading and securing networks on ADSL and cable lines, using static IP, DHCP, and PPPoE. Installation involves editing of only one file on the floppy. This is the iso version.
3f1fde490598ab406577e093859654fd
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