What is Deny_Passorwd_Crack?
Deny_Password_Crack is a simple script progam of parsing /var/log/secure to find all login attempts and filters failed and successful attempts.Intended to be run by Linux system administrators to help thwart SSH server attacks.
If you’ve ever looked at your ssh log, you may be alarmed to see how many hackers attempted to gain access to your server. Hopefully, none of them were successful. Wouldn’t it be better to automatically prevent that attacker from continuing to gain entry into your system?
Deny_Password_Crack attempts to address the above.
Where can I download Deny_Password_Crack from?
Deny_Passorwd_Crack is available for download from here.
How do I configure cron for Deny_Password_Crack use?
Presumably, you will need to run deny_password_crack as root , so you first must become root. Once you have either logged in as root you can then run the following command:
| # crontab -e |
The above command will launch the crontab editor. To launch deny_password_crack every 10 minutes you would then add the following line to the crontab:
| */10 * * * /path/deny_password_crack.sh |
For more information regarding the crontab format please see the crontab man page (man 5 crontab).
Will Deny_Password_Crack support VSFTPD?
No, But I will add the feature next version. If you want to support the feature, you can rss my blog.
Will Deny_Password_Crack work with FreeBSD?
No, But I will add the feature next version. If you want to support the feature, you can rss my blog.
Need help?
If Deny_Password_Crack is unable to correctly parse your ssh server log when you run it, please email me(jason#goitworld.com,please replace # to @) the following information:
- SSH log entry showing a successful login
- SSH log entry showing a failed attempt of a valid user account (eg. root)
- SSH log entry showing a failed attempt of a non-existent user account (eg. blah)
I will try to respond to each support request that I receive. If I am able to help you I will be very glad.