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The kernel network stack may behave not as expected, especially in the case of receiving packets. With Ianus it is possible to bypass the kernel network stack and to develop your own network stack in user space or other tools.
- DSI is a security framework addressing security needs of carrier-grade Linux clusters. - DigSig is a linuxkernel module checking RSA signatures of ELF executables at run-time. **Those projects are no longer maintained**
LinuxKernel Immune System (KIS).
KIS is a immune-inspired Intrusion Prevention System (IPS) developed as part of the Linuxkernel. It's a hybrid of anomaly and signature based approaches.
EverCrack cryptanalysis engine. The goal is cryptanalysis of any class of cipher. The focus now is the kernel - cryptanalysis of unilateral monalpha substitution ciphers extremely quickly, and later, cryptanalysis of complex ciphers for the kernel.
This project aims to pool together as many kernel projects as possible, ironing out conflicts where possible, so that experimental kernel projects can get greater exposure, safely, and so that those projects can be tested under much more varied conditions
Dark/sk sources are kernel patchset projects created by predatorfreak (Brett G.), focused on maintaining stablity and scalabliy. Everything that goes into these patchsets is selected based on these goals.
Development of Linuxkernel extensions which enable intrusion detection and prevention functionalities based on NSA's SELinux (http://www.nsa.gov/selinux/).
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PSeudo terminal Intrusion Detection System.
The kernel part plugs into terminal processing subsystem and logs hashed terminal lines.
The user part reads these, consults a list of allowed entries, and takes appropriate action upon unexpected lines.
The dude is a UNIX debugging package independent of the ptrace() system call; it consists of a kernel module [the_dude.o], a library to interface with the module [libduderino.so], and an ncurses client [ddbg] .
The WOLKs are stable and development kernels, containing many useful patches from
many projects. Goal: Stability, Scalability, Performance and most important: Security.
Cryproc is module for the Linuxkernel 2.6 which allows user space programs to access the kernel's CryptoAPI functions via a file called "cryproc" created in the /proc filesystem.
Development area for GNU/Linux 2.6.x for the KS8695 ARM SoC. Covers kernel patches, drivers for serial, Ethernet, PCI, GPIO, watchdog subsystems, and drivers for optional PCI based devices such as USB, WiFi, WiMAX, IPSec, SSL, and RSA devices.
Qryptix consists of a PAM object and utilities for session- and key-management for encrypted home directories using the International Kernel (CryptoAPI) patches for Linux. It simplifies login/logout, mounting/unmounting, and key generation and changing.
AUTHd: Admission control daemon is a system aiming to provide authentication and authorisation services to other services. Uses the keynote trust management system. It is accessible via IPC, network (OpenSSL support) and kernel-space.
A "Theoretically Secure Operating System", focused on information protection, that is provably secure provided that a specific part of the kernel would be free of bugs.
In particular, bugs in application can't be exploited to attack the system.
Status Module is a daemon which forwards vital system information (memory usage, active processes, etc.) into the kernel logs by using a kernel module. This is very useful for logging or security purposes.
Fwpass is a daemon that executes commands in response to specific sequence of incoming IP packets. It does not use TCP/IP sockets but relies on ULOG functionality of Netfilter (Linuxkernel built in firewall).
KISS is a kernel-side host-oriented security tool, which may bring you file integrity checking, file and process hiding and actions handling on special internal events (using a tiny scripting language).
A linuxkernel module and supporting user space environment which allow interception and modifying system calls that match user defined criteria. Think of it as strace on steroids.