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Index: H

and radio transmitters : 12.2.1.8. Electrical noise

halt command : 24.2.6. Anatomy of a Break-in

hanging up modem : (see signals)

harassment : 26.4.7. Harassment, Threatening Communication, and Defamation

hard copy : (see paper)

hard disks : (see media)

hardcopy device, logging to : 10.5.2.1. Logging to a printer

hardware

bugs in : 27.2.1. Hardware Bugs

failure of : 7.1.1.1. A taxonomy of computer failures

food and drink threats : 12.2.2.1. Food and drink

modems

14. Telephone Security
14.6. Additional Security for Modems

physical security of

12.2. Protecting Computer Hardware
12.2.7. Related Concerns

read-only filesystems : 9.1.2. Read-only Filesystems

seized as evidence : 26.2.4. Hazards of Criminal Prosecution

hash functions : 6.5.1. Message Digests

hash mark (#), disabling services with : 17.3. Primary UNIX Network Services

HAVAL algorithm : 6.5.4.3. HAVAL

HAVAL algorithm : 23.9. A Good Random Seed Generator

HDB UUCP : 15.2. Versions of UUCP

header, packet : 16.2. IPv4: The Internet Protocol Version 4

heat, extreme : 12.2.1.6. Temperature extremes

Hellman, Martin : 6.4.5.1. Double DES

Hellman-Merkle : 18.6. Dependence on Third Parties

Hewlett-Packard (HP) : F.3.4.17. Hewlett-Packard customers

hidden

data, in CGI scripts : 18.2.3.1. Do not trust the user's browser!
files, created by intruders : 24.4.1.7. Hidden files and directories
space : 25.2.2.7. Hidden space

hijacking Telnet sessions : 17.3.3. TELNET (TCP Port 23)

history file (csh)

10.4.1. Shell History
15.1.1.1. uucp with the C shell

hit lists of passwords : 3.6.1. Bad Passwords: Open Doors

holes, security : (see security holes)

HOME variable, attacks via : 11.5.1.3. $HOME attacks

HoneyDanBer (HDB) UUCP : 15.2. Versions of UUCP

Honeyman, Peter : 15.2. Versions of UUCP

hostnames

16.2.3. Hostnames

16.2.3.1. The /etc/hosts file

controlling access to : 17.2. Controlling Access to Servers

name service and

16.2.6. Name Service
16.2.6.2. Other naming services

hosts

NID passwords for : 19.3.2.2. Creating passwords for hosts
trusted : (see trusted, hosts)

hosts file : 16.2.3.1. The /etc/hosts file

hosts.equiv file

17.3.18.4. The ~/.rhosts file
17.3.18.6. /etc/hosts.lpd file
24.4.1.5. Changes to the /etc/hosts.equiv file

hosts.lpd file : 17.3.18.6. /etc/hosts.lpd file

HP (Hewlett-Packard) : F.3.4.17. Hewlett-Packard customers

HP-UX

access control lists : 5.2.5.2. HP-UX access control lists
context-dependent files : 5.9.2. Context-Dependent Files

.htaccess file : 18.3.1. The access.conf and .htaccess Files

HTML documents

controlling access to

18.3. Controlling Access to Files on Your Server
18.3.3. Setting Up Web Users and Passwords

encrypting : 18.4.1. Eavesdropping Over the Wire

server-side includes

18.2.2.2. Additional configuration issues
18.3.2. Commands Within the <Directory> Block

htpasswd program : 18.3.3. Setting Up Web Users and Passwords

HTTP (Hypertext Transfer Protocol) : 17.3.9. HyperText Transfer Protocol (HTTP) (TCP Port 80)

and anonymous FTP : 18.2.4.1. Beware mixing HTTP with anonymous FTP
logging downloaded files : 10.3.5. access_log Log File
Secure : (see Secure HTTP)

http server

group file : 18.3.2. Commands Within the <Directory> Block
log files of : 18.4.2. Eavesdropping Through Log Files
password file : 18.3.2. Commands Within the <Directory> Block

httpd.conf file : 18.2.1. The Server's UID

human error and backups : 7.1.4. Guarding Against Media Failure

humidity : 12.2.1.11. Humidity

hypertext links, encrypting : 18.4.1. Eavesdropping Over the Wire

Hypertext Transfer Protocol : (see HTTP)

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