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You're reading from  Oracle 11g Anti-hacker's Cookbook

Product typeBook
Published inOct 2012
Reading LevelBeginner
PublisherPackt
ISBN-139781849685269
Edition1st Edition
Languages
SQL
Tools
Oracle Database
Concepts
Database Administration
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Author (1)
Adrian Neagu
Adrian Neagu
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Adrian Neagu

Adrian Neagu has over ten years of experience as a database administrator, mainly with DB2 and Oracle databases. He is an Oracle Certified Master 10g, Oracle Certified Professional 9i, 10g, and 11g, IBM DB2 Certified Administrator version 8.1.2 and 9, IBM DB2 9 Advanced Certified Administrator 9, and Sun Certified System Administrator Solaris 10. He is an expert in many areas of database administration such as performance tuning, high availability, replication, backup, and recovery. In his spare time, he likes to cook, take photos, and to catch big pikes with huge jerkbaits and bulldawgs.
Read more about Adrian Neagu

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Using OAS data integrity for securing data in motion

Using data integrity guarantees that the packets will not be altered during transmission and reception. Data integrity can be used against replay attacks and MITM attacks, where the attacker may send crafted packets to obtain or modify different information from the database. Oracle provides SHA1 and MD5 hash functions for data integrity. Similarly with network encryption, if you want to use data integrity, an OAS license must be purchased. In the following recipe we will configure SHA1 for data integrity and we will demonstrate its utility against the Oracle Hijacking scenario.

Getting ready

The steps from this recipe will be performed on nodeorcl1 and nodeorcl5.

How to do it...

  1. Open the $ORACLE_HOME/network/admin/sqlnet.ora configuration file on nodeorcl1. Similarly with network encryption, data integrity also has desired checksum behavior which can be specified by using SQLNET.CRYPTO_CHECKSUM_SERVER. Set the value to required as follows...

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Oracle 11g Anti-hacker's Cookbook
Published in: Oct 2012Publisher: PacktISBN-13: 9781849685269
© 2012 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Adrian Neagu

Adrian Neagu has over ten years of experience as a database administrator, mainly with DB2 and Oracle databases. He is an Oracle Certified Master 10g, Oracle Certified Professional 9i, 10g, and 11g, IBM DB2 Certified Administrator version 8.1.2 and 9, IBM DB2 9 Advanced Certified Administrator 9, and Sun Certified System Administrator Solaris 10. He is an expert in many areas of database administration such as performance tuning, high availability, replication, backup, and recovery. In his spare time, he likes to cook, take photos, and to catch big pikes with huge jerkbaits and bulldawgs.
Read more about Adrian Neagu

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