Automate Backups on Linux
By Martyn Honeyford2005-04-20
Additional Security Precautions
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For added security, consider installing and configuring an Intrusion Detection System (IDS), such as Snort, on each machine. Presumably, an IDS will notify you when an intrusion is underway or has recently occurred. With an IDS in place, you'll be able to add other levels of security such as digitally signing and encrypting your backups.
Popular open source tools such as GNU Privacy Guard (GnuPG), OpenSSL and ncrypt enable securing archive files via shell scripts, but doing so without the extra level of shielding that an IDS provides isn't recommended (see Resources for more information on Snort).
Tutorial Pages:
» No Excuses: do-it-Yourself, Secure, Distributed Network Backups Made Easy
» Simple Backups
» Advanced Backups
» Secure Remote Access Using Public/Private Keys
» Automating Machine Access Using SSH-Agent
» Simplifying Key Access Using Keychain
» Scripting a Backup Process
» Scheduling
» Verifying Your Backups
» Additional Security Precautions
» Conclusion
» Resources
First published by IBM DeveloperWorks
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