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Thread: Testing password security
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Testing password security
Does anyone know how long the software might take - on average - to figure out a root or user password? I suppose this is like asking, 'How long is a piece of string?' but for example, if it took just a couple of days should I change my passwords?
I'm not really worried about password security at this point, just curious. The programme is easy to use, and I'm pleased it hasn't found my passwords ... but I wondered if anyone had some experience using John the Ripper.I am always doing that which I can not do, in order that I may learn how to do it. - Pablo Picasso
- Join Date
- Apr 2007
I launch John the Ripper before sleeping. If it couldnt crack the password when I wake up, I stop it and use this password.
I increase security using passwords with letters, numbers and special characters inside, and having edited the /etc/sudoers file. I have added the line:
So the password is required everytime I need administrative rights and a malware couldnt use it even if you just opened an application with admin rights. Admin rights will be required again. I dont know if this is applicable in your distro.
PS John the ripper doesnt recognize all algorithms and I cannot use it with PGP.
Thanks, that's useful. I'll let John the Ripper run for a few more hours then stop it. It's quite CPU intensive. For example:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 19932 fingal 25 0 7196 5848 540 R 85.8 2.3 1064:20 johnI am always doing that which I can not do, in order that I may learn how to do it. - Pablo Picasso