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Document Details
Iron Bars Shell Source v0.3e
Description: Iron Bars Shell - restricted system shell for Linux/Unix
Iron Bars SHell, or short ibsh is my first attempt to create a restricted working environment for Linux/Unix. I%60m sure that many system administrators wish or have wished for a way to lock some/all users into a safe dungeon, where they can only do harm to their own files. Even more important is the protection against users reading sensitive files, for example the /etc/passwd file, which is accessible for any person with an unrestricted shell. But many system files may be listed here. Users could easily gain information, that could help malicious hackers to compromise the system, the network, the company.
Many attempts have already been made to fix this problem. Menu-based and other interactive shells have been created, but they were not able to completely satisfy worried system administrators. The amount of documents available at various security sites about how to bypass restrictions, how to hack through these shells and gain full access, shows, that ANY experienced Linux user is able to cause big problems.
I don%60t say, that IBSH is the ultimate restricted shell, the final frontier, the only tool you%60ll ever need, absolutely bugfree and secure. It is also obvious, that one software is not enough to grant security. But i try to create a system here objectively, without thinking that whoever will use it is incompetent, without leaving any hole unfixed, without leaving any chance to anybody to abuse a bug. Bugs in the software are not as dangerous as bugs in the planning, in the thinking, in the design. And this is only the first step. A big step nonetheless. To create a functional, workable environment, additional tools are needed. Text editors, mail clients, browsers, etc. All posing huge threats, all easily abusable, and all already abused a number of times to bypass restrictions. So, while i continue developing the main project, ibsh, i will also try to create restricted tools or restricted tool environments. These will allow users to actually use the shell account for something sensible.
| Name |
Iron Bars Shell Source v0.3e |
| Keywords |
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| Filesize |
20 kB |
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| Filetype |
gz (Mime Type: application/x-compressed-tar) |
| Creator |
Everybody |
| Created On: |
07/25/2007 00:00 |
| Viewers |
Everybody |
| Maintained by |
Zinho |
| Hits |
1 Hits |
| Last updated on |
12/31/1969 16:00 |
| Homepage |
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