Free to switch software for linux

czxNetSwitch is a profile based network manager. The project allows users to create different profiles for their network configuration and easily switch between them.
Installation:
./autogen.sh
make
make install
Enhancements:
- More features were added and bash scripts were removed.

Fast User Switch Applet is an applet for the GNOME 2.10 panel which allows for MacOS X-style menu-based user-switching. It integrates with GDM to switch between existing X11 sessions or create new ones as needed, and will show the same users as the GDM face browser.

The applet can display itself in the panel using either the current users name, the word "Users," or an icon, and can be configured to include an item which launches an X session in a window. The applet code is designed to allow for easy cut-and-paste of the system-interaction code into other applications, like screensavers

The Bait and Switch Honeypot is a multifaceted attempt to take honeypots out of the shadows of the network security model and to make them an active participant in system defense.
To do this, we are creating a system that reacts to hostile intrusion attempts by redirecting all hostile traffic to a honeypot that is partially mirroring your production system. Once switched, the would-be hacker is unknowingly attacking your honeypot instead of the real data and your clients and/or users still safely accessing the real system.
Life goes on, your data is safe, and you are learning about the bad guy as an added benefit. The system is based on snort, linuxs iproute2, netfilter, and custom code for now.
We have plans on adding additional support in the future if possible.
Enhancements:
- So its beta release day. The final package is up, but largely unannounced. Ive cleaned up the few bugs I knew about, added the blacklisting feature, tested and added features to electr0ns config script, and updated the documentation to the point where I think its very useable and easy to understand.
- I have also added a baitnswitch-users mailing list through sourceforge.

Multi Switch Looking Glass for PHP allows network administrators to open/close ports on Cisco CatOS/IOS switches via a Web interface.

It is clear, configurable, and very useful to LAN party organizers for opening a port when a gamer pays for his place in the manifestation

KRepton project is an implementation of the classic Repton 3 game, which was originally produced for the BBC Micro and was the third successful Repton game for Superior Software. KRepton brings the original game to the KDE desktop, and can be used on any of its supported platforms.
The game and editor are released under the GNU General Public Licence, although I would suggest that, if you make any improvements or modifications, that you send me a copy so that they can be incorporated into updated versions.
The current version 4.0 integrates the game player and editor into a single seamless application, so there is now of course only one download. An episode can be selected using a graphical preview list, and immediately played or edited, without having to switch between two separate applications.
If you have fond memories of the original Repton games then you wont need to be told any more; download and play the game now! If you dont know anything about them but would like to find out more then there is far more information online than I could list here; the best site by far is the Repton Appreciation Society with plenty of Repton information and downloads, including games and emulators for many other platforms.
Enhancements:
- Version 4 integrates the game player and editor into a single seamless application.
- An episode can be selected using a graphical preview list, and immediately played or edited, without having to switch between two separate applications as was the case with version 3.

Netdisco is an Open Source web-based network management tool.
Designed for moderate to large networks, configuration information and connection data for network devices are retrieved by SNMP. With Netdisco you can locate the switch port of an end-user system by IP or MAC address. Data is stored using a SQL database for scalability and speed.
Cisco Discovery Protocol (CDP) optionally provides automatic discovery of the network topology. The network is inventoried by both device model and operating system (like IOS). Netdisco uses router ARP tables and L2 switch MAC forwarding tables to locate nodes on physical ports and track them by their IP addresses.
For each node, a time stamped history of the ports it has visited and the IP addresses it has used is maintained. Netdisco gets all its data, including CDP topology information, with SNMP polls and DNS queries. It does not use CLI access and has no need for privilege passwords. Security features include a wire-side Wireless Access Point (AP) locator.
Main features:
Switch Ports
- Central location to disable/enable switch ports.
- Network administrators can disable and enable ports without having to know enable or privilege passwords. Reasons for switching on/off ports are logged for end-of-the-year auditing and reporting. Non-IOS savvy managers can control port access from a familiar browser interface. This feature was designed with a University Residential Networks (ResNet) in mind.
- Only users you specify in Netdisco will have access to switch off a port. Netdisco will also not allow people to switch off uplink ports by accident.
- MAC Address to switch port resolution.
- IP Address to switch port resolution.
- Find Switch Ports with multiple nodes attached
- Find nodes using multiple IP addresses
- Find nodes by vendor (using MAC address OUI)
Easy Administration
- Navigation through a Web Interface. Maintenance through a Command Line Interface (CLI).
- Database store for scalability and speed (Postgresql).
- Easily extendible to new network device types and vendors.
- Built-in user system to restrict access to sensitive data and features.
Network Administration and Security
- Administratively enable/disable switch ports from web interface with logging.
- Automatic inventory and search of network hardware.
- Duplex Mismatch Finder for uplink ports.
- Find rouge Wireless Access Points (APs) from the wired-side of network.
- Layer-Two Traceroute
Reporting
- Netdisco creates a clickable graph/map of your network topology.
- Get statistics of the number of actual nodes connected to network and their address-space usage.
- Optional integration with a Pinnacle Database.
- Inventory of Network Devices:
- by Operating System (IOS,CatOS,HP...)
- by Model, Vendor, OSI Layer, DNS Name
- Find devices using IP Addresses without DNS entries.
Enhancements:
- This is a major release with many enhancements, including Apache2 support, per-port VLAN control on some devices, wireless network SSID inventory, significantly-expanded device support with support of SNMP::Info, and many bugfixes.

UserCHRoot project can switch root, change directory, drop privileges and exec.

When dealing with chroot environments, its sometimes useful to have a tool with which the chroot will be done, but the target executable will not be run using root privileges.

It is also sometimes useful to switch the current working directory for the target executable just before it starts. userchroot is a small program intended to be run as suid (u+s root) in these cases. It tries to be as careful as possible in order not to run the target executable as root user.

It does not support arbitrary user specification, but instead will drop back to normal user privileges of the calling user (undoing what suid-bit has done basically). If dropping root privilege fails (or actually resetting the effective credentials to the normal ones), the target executable will not be executed.

userchroot has been tested on Linux, implemented using C and licensed under GNU General Public License (v2). The tool is provided without a warranty of any kind, in the understanding that software bugs do exist and bad things can happen.

Building and installing

Using suid bits with programs that you randomly download off the Internet is not a good security practice. Because of this reason, building and installing the software is not automated at all (no autotools, no Makefile).

In order to build you will only need regular gcc and the standard C library headers. You will probably need to run chmod, chown and cp in order to install the program usefully.

The vagueness of this section is intentional.

USAGE: new-root new-cwd exec-name [exec-params]