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Index: O

• obscurity : (see security, through obscurity)
• octal file permissions
• • Calculating Octal File Permissions
  • Using Octal File Permissions
• octets : Internet Addresses
• Odlyzko, Andrew : Limitations of Secure RPC
• OFB (output feedback) : DES modes
• on-the-job security
• • On the Job
  • Departure
• one : Comparison Copies
• one-command accounts : Accounts That Run a Single Command
• one-time pad encryption
• • An Unbreakable Encryption Algorithm
  • Code Books
• one-time passwords
• • One-Time Passwords
  • One-Time Passwords
  • Code Books
  • Security Implications of Network Services
  • Tips on Writing Network Programs
• one-way phone lines : One-Way Phone Lines
• open access, tradition of : Expectations
• open accounts
• • Open Accounts
  • Potential problems with rsh
  • Algorithm and Library Changes
• open command : Tips on Avoiding Security-related Bugs
• • O_CREAT and O_EXCL flags : Tips on Avoiding Security-related Bugs
• Open Software Distribution (OSD) :
• Open Software Foundation (OSF) : History of UNIX
• open system call : File Permissions in Detail
• Open System Interconnection (OSI) : OSI
• opendir library call : Using Directory Permissions
• operating systems
• • What Is an Operating System?
  • Other Media
  • keeping secret : The Problem with Security Through Obscurity
• operating systems
• • Which UNIX System?
  • (see also under specific name)
• optic cables : (see cables, network)
• optical vampire taps : Fiber optic cable
• Options command : Commands Within the <Directory> Block
• Orange Book : Adding Up the Numbers
• originate mode : Originate and Answer
• originate testing : Originate testing
• OSF (Open Software Foundation) : History of UNIX
• OSF/1 operating system : History of UNIX
• OSI (Open System Interconnection) : OSI
• Outcome table (NIS+) : NIS+ Tables
• outgoing calls : Modems and UNIX
• outgoing mail, logging : Mail
• output feedback (OFB) : DES modes
• outsiders : Outsiders
• overload attacks
• • Overload Attacks
  • Soft Process Limits: Preventing Accidental Denial of Service
• overtime : Performance Reviews and Monitoring
• overwriting media : Sanitize your media before disposal
• OW- (sendmail.cf) : Using sendmail to receive email
• owners of information : Assign an owner
• owners, changing : chown: Changing a File's Owner
• ownership notices : Other Tips

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