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Index: B

• back doors
• • The Problem with Security Through Obscurity
  • Cryptographic Strength
  • Programmed Threats: Definitions
  • Back Doors and Trap Doors
  • Protecting Yourself
  • Trusting Trust
  • in MUDs and IRCs : Other TCP Ports: MUDs and Internet Relay Chat (IRC)
• background checks, employee : Background Checks
• backquotes in CGI input
• • Testing is not enough!
  • Sending mail
• BACKSPACE key : Changing Your Password
• backup program : Specialized Backup Programs
• backups
• • Backups
  • inode Modification Times
  • Read-only Filesystems
  • What to Do When You Catch Somebody
  • across networks : Backups Across the Net
  • for archiving information : taxonomy of computer failures
  • automatic
  • • Building an Automatic Backup System
    • Beware stray CGI scripts
  • checklist for : Backups
  • criminal investigations and : Hazards of Criminal Prosecution
  • of critical files
  • • Backing Up System Files
    • Building an Automatic Backup System
  • encrypting
  • • Encrypting Your Backups
    • Backup encryption
  • hardcopy : Never Trust Anything Except Hardcopy
  • keeping secure
  • • Standards
    • Guidelines
    • Security for Backups
    • Data security for backups
    • Other Tips
  • laws concerning : Legal Issues
  • of log files : Accounting with BSD
  • retention of
  • • How Long Should You Keep a Backup?
    • Sample Backup Strategies
    • Deciding upon a Backup Strategy
  • rotating media : Types of Backups
  • software for
  • • Software for Backups
    • inode Modification Times
    • commercial : Commercial Offerings
  • special programs for : Specialized Backup Programs
  • strategies for
  • • Sample Backup Strategies
    • Deciding upon a Backup Strategy
    • Managing Log Files
  • theft of
  • • Protecting Backups
    • Backup encryption
  • verifying : Verify your backups
  • zero-filled bytes in : Software for Backups
• bacteria
• • Programmed Threats: Definitions
  • Bacteria and Rabbits
• BADSU attempts : (see sulog file)
• Baldwin, Robert : The crypt program
• bang (!) and mail command : mail Command
• Bash shell (bsh) : No restricted bash
• Basic Networking Utilities : (see BNU UUCP)
• bastion hosts : Anatomy of a Firewall
• batch command : System overload attacks
• batch jobs : (see cron file)
• baud : Modems: Theory of Operation
• bell (in Swatch program) : The Swatch Configuration File
• Bellcore : Bellcore
• Berkeley UNIX : (see BSD UNIX)
• Berkeley's sendmail : (see sendmail)
• bidirectionality
• • Modems: Theory of Operation
  • One-Way Phone Lines
• bigcrypt algorithm : Crypt16() and Other Algorithms
• /bin directory
• • Viruses
  • PATH attacks
  • backing up : What Should You Back Up?
  • /bin/csh : (see csh)
  • /bin/ksh : (see ksh)
  • /bin/login : (see login program)
  • /bin/passwd : (see passwd command)
  • /bin/sh : (see sh)
  • in restricted filesystems : Restricted Filesystem
• binary code : Viruses
• bind system call
• • DNS under UNIX
  • The /etc/inetd Program
• biological threats : Bugs (biological)
• block devices : Device Files
• block send commands : Trojan Horses
• blocking systems : Sun's Remote Procedure Call (RPC)
• BNU UUCP
• • Security in BNU UUCP
  • uucheck: Checking Your Permissions File
• Boeing CERT : Bellcore
• bogusns directive : DNS nameserver attacks
• boot viruses : Viruses
• Bootparams table (NIS+) : NIS+ Tables
• Bourne shell
• • Running the User's Shell
  • (see also sh program; shells)
  • (see sh)
• Bourne shell (sh) : Running the User's Shell
• bps (bits per second) : Modems: Theory of Operation
• BREAK key : Answer testing
• breakins
• • checklist for : Discovering a Break-in
  • legal options following : Legal Options After a Break-in
  • responding to
  • • Discovering a Break-in
    • Damage Control
  • resuming operation after : Resuming Operation
• broadcast storm : Message Flooding
• browsers : (see Web browsers)
• BSD UNIX
• • Which UNIX System?
  • History of UNIX
  • accounting with : Accounting with BSD
  • Fast Filesystem (FFS) : Reserved space
  • groups and : Groups and BSD or SVR4 UNIX
  • immutable files : Immutable and Append-Only Files
  • modems and : Hooking Up a Modem to Your Computer
  • developing references : UNIX Developing and System Administration
  • ps command with : Listing processes with Berkeley-derived versions of UNIX
  • published resources for : UNIX Security References
  • restricted shells : Restricted shells under Berkeley versions
  • SUID files, list of : SUID and SGID Files
  • sulog log under : The sulog under Berkeley UNIX
  • utmp and wtmp files : utmp and wtmp Files
• BSD/OS (operating system) : History of UNIX
• bsh (Bash shell) : No restricted bash
• BSI/GISA : Germany: government institutions
• buffers
• • checking boundaries : Tips on Avoiding Security-related Bugs
  • for editors : Trojan Horses
• bugs
• • What Is Computer Security?
  • Software Quality
  • What they found
  • Buggy Software
  • Security Bugs that Never Get Fixed
  • Bugtraq mailing list : Bugtraq
  • hacker challenges : Hacker Challenges
  • hardware : Hardware Bugs
  • .htaccess file : The access.conf and .htaccess Files
  • keeping secret : The Problem with Security Through Obscurity
  • tips on avoiding : Tips on Avoiding Security-related Bugs
• bugs (biological) : Bugs (biological)
• bugs
• • (see also security holes)
• bulk erasers : Sanitize your media before disposal
• byte-by-byte comparisons
• • Comparison Copies
  • rdist
• bytes, zero-filled : Software for Backups

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