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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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