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Index: H

H command (sendmail): 10.5.7. Defining Mail Headers

H flag (Linux routing table): 2.4. The Routing Table

HACK macro (sendmail): E.3. m4 sendmail Macros

hand tools, hardware maintenance: 13.2. Diagnostic Tools

handshaking: 1.5.1. Internet Protocol

1.6.2. Transmission Control Protocol
port numbers and: 2.6.3. Sockets

HANGUP command (chat): A.3. chat

hard option (vfstab file): 9.1.3.2. The vfstab and fstab files

hardware

detecting, Solaris reconfigure file and: 5.1.1. Using Dynamically Loadable Modules
distance limitations, subnetting and: 4.2.3. Defining the Subnet Mask
Linux, device driver installation: 5.1.1. Using Dynamically Loadable Modules
maintenance tools: 13.2. Diagnostic Tools
network interfaces, identifying installed: 5.1.5.3. The device statement
OSI Physical Layer: 1.2. A Data Communications Model
subnetting and: 2.2.2. Subnets

hardware parameter (dhcpd): D.3.2. Configuration Parameters

has-old-clients option (named): C.2.5. The options Statement

hash mark (#) for comments: 3.2. The Host Table

hash (sendmail K command value): E.4.5. The sendmail K Command

HDLC (High-level Data Link Control): 6.2.1. The Serial Protocols

Header (DNS response packets): 13.6.4. dig: An Alternative to nslookup

HeaderName directive (Apache): 11.3.5. Creating a Fancy Index

headers

datagrams: 1.5.1.1. The datagram

port numbers: 2.6.2. Port Numbers
protocol numbers: 2.6.1. Protocol Numbers

ICMP parameter problem: Appendix g.3. ICMP Parameter Problem Message Header

IP datagrams: Appendix g.1. IP Datagram Header

MIME: 3.4.4. Multipurpose Internet Mail Extensions

Content-Transfer-Encoding: 3.4.4. Multipurpose Internet Mail Extensions

protocol stack: 1.3. TCP/IP Protocol Architecture

sendmail: E.2. The sendmail Command

H command: 10.5.7. Defining Mail Headers
precedence: 10.5.6. Defining Mail Precedence

TCP segment: 1.6.2. Transmission Control Protocol

Appendix g.2. TCP Segment Header

heartbeat-interval option (named): C.2.5. The options Statement

hello command: 3.4.4. Multipurpose Internet Mail Extensions

hello (EGP trace option): B.8.5. The egp Statement

Hello packets (OSPF): 7.4.3. Open Shortest Path First

Hello protocol, overview: 7.4. Interior Routing Protocols

help

dip: 6.3.2. Dial-Up PPP

A.1.1. The dip Script File

Linux kernel configuration: 5.1.3. Linux Kernel Configuration

HELP command

ESMTP: 3.4.4. Multipurpose Internet Mail Extensions
SMTP: 3.4.1. Simple Mail Transfer Protocol

hesiod (sendmail K command value): E.4.5. The sendmail K Command

heterogeneous networks: 1.1.2. Protocol Standards

hide-password option (pppd): A.2. The PPP Daemon

High-level Data Link Control (HDLC): 6.2.1. The Serial Protocols

high-volume end-user (organizational type): 4.2.1.1. Obtaining an official network address

HINFO (Host Information) records: C.3.1.9. Host Information record

hints (cache initialization file): 8.3.4. The Cache Initialization File

historic protocols: 1.1.2. Protocol Standards

holdoff option (pppd): A.2. The PPP Daemon

holdtime parameter (gated): B.8.4. The bgp Statement

home section (smb.conf file): 9.3.1.1. The smb.conf homes section

hop count, routing: 7.4.1. Routing Information Protocol

host addresses: 2.2. The IP Address

(see also IP addresses)

host addresses, assigning: 4.2.2. Assigning Host Addresses

Host Information (HINFO) records: C.3.1.9. Host Information record

HOST option (xinetd): 12.5.2. Controlling Access with xinetd

host (sendmail K command value): E.4.5. The sendmail K Command

host statement (dhcpd): D.3.1. Topology Statements

host statements (dhcpd.config file): 9.5.1. dhcpd.conf

host-statistics option (named): C.2.5. The options Statement

host tables: 3.2. The Host Table

limitations of: 3.2. The Host Table

hostname file (Solaris): 6.1.3. Assigning an Address

hostname option (share command): 9.1.2.1. The share command

HostnameLookups directive (Apache): 11.3.7. Performance Tuning Directives

hostnames: 3.1. Names and Addresses

aliases: 3.2. The Host Table
canonical names: 8.3.7. The Forward-Mapping Zone File
locating host tables: 3.2. The Host Table
selecting: 4.4.3. Choosing a Hostname
sendmail, class w: 10.7.1. Modifying Local Information
share command and: 9.1.2.1. The share command

hosts

bastion: 12.7. Firewalls
gated configuration: 7.7.1.1. A host configuration
grouping, dhcpd.conf file: 9.5.1. dhcpd.conf
multi-homed: 1.5.1.2. Routing datagrams
peers: 3. Network Services
routing tables: 2.4. The Routing Table
trusted: 12.2.5. Secure the r Commands
values, exports file: 9.1.2.2. The /etc/exports file
virtual (Apache): 11.3.11. Defining Virtual Hosts

HOSTS = (Distfiles): 9.6.2. rdist

hosts file: 3.2. The Host Table

3.2. The Host Table

ifconfig command and: 6.1. The ifconfig Command

mask values, storing: 6.1.4. Assigning a Subnet Mask

NIS maps: 3.3.5. Network Information Service

9.4. Network Information Service

hosts.allow file (security): 12.5.1.1. tcpd access control files

hosts.deny (security): 12.5.1.1. tcpd access control files

hosts.equiv file, security considerations: 12.2.5. Secure the r Commands

12.4.2. Looking for Trouble

hosts.lpd file, security considerations: 12.4.2. Looking for Trouble

htdocs directory (Solaris): 11.2.1. Configuring Apache on Solaris

HTTP (Hypertext Transfer Protocol): 1.7. Application Layer

http (MIME data subtype): 3.4.4. Multipurpose Internet Mail Extensions

http_core.c (DSO module): 11.3.1. Loading Dynamic Shared Objects

httpd processes, managing: 11.3.3. Managing the Swarm

httpd.conf (Apache configuration file): 11.2. Configuring the Apache Server

access controls

document level controls: 11.4.4.4. Setting document-level access controls
file level controls: 11.4.4.3. Setting file-level access controls
overview: 11.4.4. Defining Access Controls
user authentication: 11.4.4.1. Requiring user authentication

configuration directives: 11.3.2. Basic Configuration Directives

directives

configuration: 11.3.1. Loading Dynamic Shared Objects
MIME file types: 11.3.6. Defining File Types

dynamically loadable modules: 11.3.1. Loading Dynamic Shared Objects

location of: 11.2. Configuring the Apache Server

overview: 11.3. Understanding an httpd.conf File

server options, controlling: 11.4.2. Controlling Server Options

Solaris configuration: 11.2.1. Configuring Apache on Solaris

web server document locations: 11.3.4. Defining Where Things Are Stored

httpd.conf file: F. Solaris httpd.conf File

Hypertext Transfer Protocol (HTTP): 1.7. Application Layer

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