Originally Posted by jjmcray
Anyone know how to hack in to a Linux machine? Not for illegal purposes... I just have another machine running Linux next to this one and I'd just like to test it out and stuff.
Hack as "circumvent protection" ? If not for illegal purposes, you may want to try security scanners like nmap
, that are great tools to test your systems security, being linux or otherwise. Another nice tool to test the security of your systems is Nessus
. It is a popular security scanner.
Apart from that, breaking security of a Linux system is no different than breaking security of any other operating system: exploit buffer overflows, lost pointers, software bugs, etc. This is something that requires intimate knowledge of the inner working of the system, and requires a lot of technical skills to succeed.
If you plan on hardening your Linux system, again, standard rules apply: set up regular security audits through security scanners, use hardening tools like Bastille Linux, keep access rights under control (SELinux is a must for servers), don't run services you don't need, use automated auditing of your log files (for example with Tiger), have good firewall rules that open only ports needed, etc.