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Index: H

• hacker challenges : Hacker Challenges
• hackers : Introduction
• Haley, Chuck : History of UNIX
• Halon fire extinguishers : Fire
• • and radio transmitters : Electrical noise
• halt command : Anatomy of a Break-in
• hanging up modem : (see signals)
• harassment : Harassment, Threatening Communication, and Defamation
• hard copy : (see paper)
• hard disks : (see media)
• hardcopy device, logging to : Logging to a printer
• hardware
• • bugs in : Hardware Bugs
  • failure of : taxonomy of computer failures
  • food and drink threats : Food and drink
  • modems
  • • Telephone Security
    • Additional Security for Modems
  • physical security of
  • • Protecting Computer Hardware
    • Related Concerns
  • read-only filesystems : Read-only Filesystems
  • seized as evidence : Hazards of Criminal Prosecution
• hash functions : Message Digests
• hash mark (#), disabling services with : Primary UNIX Network Services
• HAVAL algorithm : HAVAL
• HAVAL algorithm : Good Random Seed Generator
• HDB UUCP : Versions of UUCP
• header, packet : IPv4: The Internet Protocol Version 4
• heat, extreme : Temperature extremes
• Hellman, Martin : Double DES
• Hellman-Merkle : Dependence on Third Parties
• Hewlett-Packard (HP) : Hewlett-Packard customers
• hidden
• • data, in CGI scripts : Do not trust the user's browser!
  • files, created by intruders : Hidden files and directories
  • space : Hidden space
• hijacking Telnet sessions : TELNET (TCP Port 23)
• history file (csh)
• • Shell History
  • uucp with the C shell
• hit lists of passwords : Bad Passwords: Open Doors
• holes, security : (see security holes)
• HOME variable, attacks via : $HOME attacks
• HoneyDanBer (HDB) UUCP : Versions of UUCP
• Honeyman, Peter : Versions of UUCP
• hostnames
• • Hostnames
  • The /etc/hosts file
  • controlling access to : Controlling Access to Servers
  • name service and
  • • Name Service
    • Other naming services
• hosts
• • NID passwords for : Creating passwords for hosts
  • trusted : (see trusted, hosts)
• hosts file : The /etc/hosts file
• hosts.equiv file
• • The ~/.rhosts file
  • /etc/hosts.lpd file
  • Changes to the /etc/hosts.equiv file
• hosts.lpd file : /etc/hosts.lpd file
• HP (Hewlett-Packard) : Hewlett-Packard customers
• HP-UX
• • access control lists : HP-UX access control lists
  • context-dependent files : Context-Dependent Files
• htaccess file : The access.conf and .htaccess Files
• HTML documents
• • controlling access to
  • • Controlling Access to Files on Your Server
    • Setting Up Web Users and Passwords
  • encrypting : Eavesdropping Over the Wire
  • server-side includes
  • • Additional configuration issues
    • Commands Within the <Directory> Block
• htpasswd program : Setting Up Web Users and Passwords
• HTTP (Hypertext Transfer Protocol) : HyperText Transfer Protocol (HTTP) (TCP Port 80)
• • and anonymous FTP : Beware mixing HTTP with anonymous FTP
  • logging downloaded files : access_log Log File
  • Secure : (see Secure HTTP)
• http server
• • group file : Commands Within the <Directory> Block
  • log files of : Eavesdropping Through Log Files
  • password file : Commands Within the <Directory> Block
• httpd.conf file : The Server's UID
• human error and backups : Guarding Against Media Failure
• humidity : Humidity
• hypertext links, encrypting : Eavesdropping Over the Wire
• Hypertext Transfer Protocol : (see HTTP)

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