Linux: How To Use The SCP (secure copy) Command Without Passwords?

Posted by Jiltin     Tags: , , 9 June, 2009    1,310 views    (0) Comment

In this article, I show you how to use the scp (secure copy) command without needing to use passwords. I then show you how to use this command in two scripts. One script lets you copy a file to multiple Linux boxes on your network, and the other allows you to back up all of your Linux boxes easily. If you’re a Linux sysadmin, you frequently need to copy files from one Linux box to another. Or, you may need to distribute a file to multiple boxes. You could use FTP, but using scp has many Read Full Article (Click here)...

Categories : Scripts Unix Tags : , ,

Oracle 11g new password algorithm is revealed by seclists.org !

Posted by Jiltin     Tags: , 22 March, 2009    2,152 views    (1) Comment

Here are the excerpts of the Oracle 11g new password algorithm. You can see the complete disclosure of the password algorithm and the history of tracing Nothing to panic!: Research results suggest that SHA1 has, at most, 69 bit strength, significantly less than the 80 bits, but still no easy matter to attack with current technology. SHA-1 is secure and stronger than previous algorithm. According to wikipedia you can find a collision for SHA-1 in 2 to the power of 69 operations. This probably Read Full Article (Click here)...

Categories : Oracle Applications, Scripts Oracle Tags : ,

Password revealer – freeware – used for old applications

Posted by Jiltin     Tags: , , , 25 February, 2009    1,101 views    (3) Comment

Just got a source code for old password revealer from this site! Password Revealer (only 65 kB – Windows 95/98/Me/NT) is a utility that can show you most passwords that are typed in a password edit box (those that hide the password and show asterisks instead). Bring the password box on the screen, run Password Revealer, and click the button to reveal the password. That’s all. Please note that Password Revealer does NEVER work with the following passwords, because they use special Read Full Article (Click here)...

Categories : Software Review, Web & Scripts Tags : , , ,

Oracle Password security algorithm and the default passwords

Posted by Jiltin     Tags: , 19 February, 2009    2,088 views    (6) Comment

Oracle uses modified DES as password hash algorithm until 10g release and dba_users table (In 11g the password hash is no longer accessible via dba_users) will have the hash. It is easy to check whether the database has the same password or reset to some other by running a simple sql scripts like this: SELECT username "User(s) with Default Password!"  FROM dba_users  WHERE password IN (‘E066D214D5421CCC’,  – Read Full Article (Click here)...

Categories : Oracle Applications, Scripts Oracle Tags : ,

John the Ripper password cracker – to check the weakness of password security

Posted by Jiltin     Tags: , , , 7 January, 2009    494 views    (2) Comment

John the Ripper is a fast password cracker, currently available for many flavors of Unix (11 are officially supported, not counting different architectures), Windows, DOS, BeOS, and OpenVMS. Its primary purpose is to detect weak Unix passwords. Besides several crypt(3) password hash types most commonly found on various Unix flavors, supported out of the box are Kerberos AFS and Windows NT/2000/XP/2003 LM hashes, plus several more with contributed patches. The Process # Step 1: Download John Read Full Article (Click here)...

Categories : Software Review Tags : , , ,