Table of Contents for

TCP/IP Network Administration, 3rd Edition

D

D command (sendmail), The Define Macro Command

D flag (Linux routing table), The Routing Table

DAEMON_OPTIONS macro (sendmail), m4 sendmail Macros

DARPA (Defense Advanced Research Projects Agency), TCP/IP and the Internet

DATA command (SMTP), Simple Mail Transfer Protocol

data delivery, Addressing, Routing, and Multiplexing

data field (resource records), Standard Resource Records

Data Link Layer (OSI Model), A Data Communications Model

Data Link Layer Protocol, The Serial Protocols

data value (DNS resource records), Standard Resource Records

databases, Building a sendmail.cf with m4 macros, Transforming with a database, Modifying Local Information, Using Key Files in sendmail–Using Key Files in sendmail, Improved user authentication, Secure the r Commands, Public-Key Encryption Tools

address conversion (sendmail), Building a sendmail.cf with m4 macros

Apache, user authentication, Improved user authentication

gpg, Public-Key Encryption Tools

sendmail, Transforming with a database, Modifying Local Information, Using Key Files in sendmail–Using Key Files in sendmail

address transformation, Transforming with a database, Using Key Files in sendmail–Using Key Files in sendmail

local information section (configuration file), Modifying Local Information

Unix r commands, Secure the r Commands

databits command (dip), The dip Script File

datagrams, TCP/IP Protocol Architecture, Network Access Layer, The datagram, The datagram, Routing datagrams, Fragmenting datagrams, Passing datagrams to the transport layer, The IP Address, Protocol Numbers, Port Numbers, Obtaining an IP Address, IP Datagram Header–IP Datagram Header

(see also packets)

forwarding, Passing datagrams to the transport layer

fragmenting, Fragmenting datagrams

headers, Protocol Numbers, Port Numbers, IP Datagram Header–IP Datagram Header

protocol numbers, Protocol Numbers

martians, Obtaining an IP Address

Network Access Layer, Network Access Layer

IP addresses, Network Access Layer

overview, The datagram

routing, Routing datagrams

datasize option (named), The options Statement

dbm (sendmail K command value), The sendmail K Command

dbmmanage command, Improved user authentication

DCA (Defense Communications Agency), TCP/IP and the Internet

DDN (Defense Data Network), TCP/IP and the Internet

DDNS (Dynamic DNS), Dynamic Host Configuration Protocol

deallocate-on-exit option (named), The options Statement

debug option (pppd), The PPP Daemon

debug option (resolv.conf file), The Resolver Configuration File

debugging, Using nslookup–Using nslookup, Testing Rewrite Rules, The sendmail Command

(see also testing)

nslookup tool, Using nslookup–Using nslookup

sendmail arguments, The sendmail Command

dec command (dip), The dip Script File

decentralized network administration, Subnets

dedicated connections, pppd command, configuring, The PPP Daemon

default command (dip), The dip Script File

default domain names, Domain Names

default gateway, The Routing Table, Getting Started, Getting Started

address, Getting Started

addresses, need for, Getting Started

default keyword (route command), Building a Static Routing Table

default masks, indentifying, The Natural Mask

default route (network addresses), The IP Address

default-asyncmap option (pppd), The PPP Daemon

default-lease-time parameter (dhcp.conf file), dhcpd.conf

default-lease-time parameter (dhcpd), Configuration Parameters

default-mru option (pppd), The PPP Daemon

defaultdomain file, Network Information Service

DefaultIcon directive (Apache), Creating a Fancy Index

defaultmetric parameter (gated), The rip Statement

defaultroute option (pppd), The PPP Daemon, The PPP Daemon

defaults parameter (gated), The ospf Statement

DefaultType directive (httpd.conf file), Defining File Types

Defense Advanced Research Projects Agency (DARPA), TCP/IP and the Internet

Defense Communications Agency (DCA), TCP/IP and the Internet

Defense Data Network (DDN), TCP/IP and the Internet

define class command (sendmail), Defining Classes

define macro (sendmail), m4 sendmail Macros, define–define

define macro command (sendmail), The Define Macro Command

definition fields (sendmail mailers), Defining Mailers

deflate option (pppd), The PPP Daemon

DEL command (POP), Post Office Protocol

DELETE command (IMAP), Internet Message Access Protocol

delete keyword, Building a Static Routing Table, Improved user authentication

dbmmanage command, Improved user authentication

route command, Building a Static Routing Table

deleting email, POP servers, Post Office Protocol

Delivery Status Notification, Transforming the Address (see DSN)

demand option (pppd), The PPP Daemon

denial of service (DoS), Assessing the Threat

Deny from directive (Directory containers), Defining Access Controls

deny keyword parameter (dhcpd), Configuration Parameters

depmod command (Linux), Using Dynamically Loadable Modules

dequote (sendmail K command value), The sendmail K Command

descr field (RIPE database), Obtaining an IN-ADDR.ARPA domain

designated routers (OSPF), Open Shortest Path First

Destination Address, The datagram, The IP Address

datagram headers, The datagram

TCP headers, The IP Address

Destination field, The Routing Table, The Minimal Routing Table

Linux routing table, The Routing Table

routing tables, The Minimal Routing Table

Destination field (Linux routing table), The Routing Table

Destination Port, Transmission Control Protocol

Destination Port numbers (UDP), User Datagram Protocol

Destination Unreachable Message (ICMP), Internet Control Message Protocol

destination values (routing tables), The Routing Table

detail, Transforming the Address, Trace Statements

DSN error code, Transforming the Address

gated trace statements, Trace Statements

dev/cua3 argument (pppd command), The PPP Daemon

DEVICE (Linux configuration value), Assigning an Address

device drivers, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules

Ethernet, loading, Using Dynamically Loadable Modules

installing, pkgadd command, Using Dynamically Loadable Modules

devices statement (BSD Unix kernel configuration), The device statement

dgram field (inet.conf file), The Internet Daemon

dh value (share command), The share command

DHCP (Dynamic Host Configuration Protocol), Dynamic Host Configuration Protocol, How DHCP works, Informing the Users, DHCP, dhcpd.conf–dhcpd.conf

dhcpd file, dhcpd.conf–dhcpd.conf

operational principles, How DHCP works

overview, DHCP

system configuration information, distributing to end-users, Informing the Users

dhcpd, Compiling dhcpd, Compiling dhcpd, The dhcpd Command, The dhcpd Command, Configuration Parameters, DHCP Options, Commonly used options, Other options–Other options

command-line options, The dhcpd Command

common options, Commonly used options

compiling, Compiling dhcpd

mailing list, Compiling dhcpd

option statement, DHCP Options

other options, Other options–Other options

parameter statements, Configuration Parameters

syntax, The dhcpd Command

dhcpd.conf file, dhcpd.conf, dhcpd.conf, dhcpd.conf, The dhcpd.conf Configuration File, Topology Statements

parameters, dhcpd.conf

range parameter, dhcpd.conf

topology statements, Topology Statements

DHCPDISCOVER packet, How DHCP works

DHCPOFFER packet, How DHCP works

dial command (dip), Dial-Up PPP, The dip Script File

dial-up connections, The PPP Daemon, Dial-Up PPP–Dial-Up PPP, Troubleshooting Serial Connections, Dial-Up IP, The dip Script File–The dip Script File, A sample dip script, The PPP Daemon

dip, Dial-Up IP, The dip Script File–The dip Script File, A sample dip script

sample script file, A sample dip script

script file, The dip Script File–The dip Script File

syntax, Dial-Up IP

PPP, configuring, Dial-Up PPP–Dial-Up PPP

pppd, syntax, The PPP Daemon

scripts, troubleshooting, Troubleshooting Serial Connections

dial-up IP, Dial-Up PPP (see dip)

dialup option (named), The options Statement

dig (debugging tool), dig: An Alternative to nslookup–dig: An Alternative to nslookup

digest (MIME data subtype), Multipurpose Internet Mail Extensions

Dijkstra Shortest Path First (SPF) algorithm, Open Shortest Path First

dip (dial-up IP), Dial-Up PPP, Dial-Up IP, Dial-Up IP, The dip Script File–The dip Script File, A sample dip script

configuring, Dial-Up PPP

options, Dial-Up IP

sample script file, A sample dip script

script file, The dip Script File–The dip Script File

syntax, Dial-Up IP

dip command, Dial-Up PPP

direct delivery (SMTP), Simple Mail Transfer Protocol

direct map configuration file (automounter), NFS Automounter

directed graphs (OSPF), Open Shortest Path First

directives, Zone File Directives, Loading Dynamic Shared Objects, Basic Configuration Directives, Managing the Swarm, Defining Where Things Are Stored, Defining File Types, Performance Tuning Directives–Performance Tuning Directives, Defining the log file format–Defining the log file format, Directory-Level Configuration Controls, Requiring user authentication, Zone File Records

Apache, Loading Dynamic Shared Objects, Managing the Swarm, Defining Where Things Are Stored, Defining File Types, Performance Tuning Directives–Performance Tuning Directives, Defining the log file format–Defining the log file format, Directory-Level Configuration Controls, Requiring user authentication

configuration, Loading Dynamic Shared Objects

directory-level configuration control, Directory-Level Configuration Controls

httpd process control, Managing the Swarm

log files, Defining the log file format–Defining the log file format

MIME file types, Defining File Types

performance tuning, Performance Tuning Directives–Performance Tuning Directives

user authentication, Requiring user authentication

web server document locations, Defining Where Things Are Stored

BIND, Zone File Directives

httpd.conf file, configuration, Basic Configuration Directives

zone files, creating, Zone File Records

directories, Creating a Fancy Index, Directory-Level Configuration Controls

Apache, configuration control, Directory-Level Configuration Controls

indexing, Apache, Creating a Fancy Index

Directory containers (Apache), Defining Where Things Are Stored–Defining Where Things Are Stored, Controlling Server Options–Controlling Server Options

server options, controlling, Controlling Server Options–Controlling Server Options

Directory directive (httpd.conf file), Defining Where Things Are Stored

Directory field (sendmail), Defining Mailers

directory option (named), The options Statement

directory sharing, The Network File System, NFS Daemons, Sharing Unix Filesystems, Mounting Remote Filesystems, Sharing directories through Samba

mounting remote directories, Mounting Remote Filesystems

NFS, The Network File System, NFS Daemons

daemons, NFS Daemons

overview, The Network File System

Samba, Sharing directories through Samba

Unix, Sharing Unix Filesystems

DirectoryIndex option (Apache), Defining Where Things Are Stored

disconnect option (pppd), The PPP Daemon

distance-vector algorithms, routing, Interior Routing Protocols

Distfiles, rdist

distributed servers, managing, Managing Distributed Servers

divert macro (sendmail), m4 sendmail Macros

dmesg command, network interfaces, determining avaliable, The Interface Name

dnl command, Building a sendmail.cf with m4 macros

dnl macro (sendmail), m4 sendmail Macros

DNS (Domain Name System), Application Layer, The Host Table, DNS, DNS, The Domain Hierarchy, The Domain Hierarchy, Creating Domains and Subdomains, Creating Domains and Subdomains, BIND, Resolvers, and named, Network Information Service, Getting Started, BIND: Unix Name Service, BIND Configurations, Configuring the Resolver, A resolver-only configuration, Configuring named, The named.conf File, A caching-only server configuration, Master and slave server configurations, Master and slave server configurations, Standard Resource Records, Zone File Directives

authoritative servers, DNS

BIND, BIND: Unix Name Service, BIND Configurations, Configuring the Resolver, A resolver-only configuration, Zone File Directives

configurations, BIND Configurations

configuring resolvers, Configuring the Resolver, A resolver-only configuration

directives, Zone File Directives

overview, BIND: Unix Name Service

caching-only servers, configuring, A caching-only server configuration

compared to NIS, Network Information Service

domain hierarchy, The Domain Hierarchy

domains, creating, Creating Domains and Subdomains

host tables and, The Host Table

master name servers, configuring, Master and slave server configurations

name server record pointers, Creating Domains and Subdomains

named command, configuring, Configuring named

named.conf file, The named.conf File

overview, DNS

resource records, Standard Resource Records

slave servers, configuring, Master and slave server configurations

system configuration, Getting Started

top-level domains, The Domain Hierarchy

Unix, BIND, BIND, Resolvers, and named

dns (sendmail K command value), The sendmail K Command

dns proxy option (nmbd command), NetBIOS Name Service

dns proxy parameter (smb.config file), Configuring a Samba Server

documentation, Internet address requests, Obtaining an official network address

DocumentRoot directive (Apache), Configuring Apache on Solaris, Defining Where Things Are Stored

web server document locations, Defining Where Things Are Stored

domain administration, BIND, Resolvers, and named

domain auth simple parameter (gated), The isis Statement

domain entry (resolv.conf file), The Resolver Configuration File

domain field (RIPE database), Obtaining an IN-ADDR.ARPA domain

DOMAIN macro (sendmail), m4 sendmail Macros

Domain Name Pointer (PTR) records, Domain Name Pointer record

domain name registrars, Creating Domains and Subdomains

domain name servers, system configuration, Getting Started

Domain Name System, Application Layer (see DNS)

domain names, Domain Names, Obtaining a Domain Name, Registering a Domain

obtaining, Obtaining a Domain Name

registering, Registering a Domain

domain names (Linux), The /etc/exports file

domain option (pppd), The PPP Daemon

domain option (share command), The share command

domain setting (smb.config file), Configuring a Samba Server

DOMAIN source file, DOMAIN, DOMAIN

DNS features, DOMAIN

DNS macros, DOMAIN

DOMAIN source file (sendmail), DOMAIN

domainname command, Network Information Service

domains, The Domain Hierarchy, The Domain Hierarchy, Creating Domains and Subdomains, Obtaining an IN-ADDR.ARPA domain, BIND: Unix Name Service, BIND Configurations, BIND Configurations, BIND Configurations, The Cache Initialization File–The Cache Initialization File, Using nslookup, Network Information Service

cache initialization file, The Cache Initialization File–The Cache Initialization File

caching-only server, BIND Configurations

DNS, The Domain Hierarchy, The Domain Hierarchy, Creating Domains and Subdomains

creating, Creating Domains and Subdomains

hierarchy, The Domain Hierarchy

top-level, The Domain Hierarchy

downloading for inspection, nslookup command, Using nslookup

in-addr.arpa, Obtaining an IN-ADDR.ARPA domain

master name server, BIND Configurations

NIS, Network Information Service

slave server, BIND Configurations

zones, BIND: Unix Name Service

domaintable (sendmail database feature), FEATURE

DoS (denial of service), Assessing the Threat

dotted decimal notation (IP addresses), The IP Address

down preference (gated), Interface Statements

draft standards (RFCs), Protocol Standards

Driver Options field (printconf-gui), The printcap file

DROP keyword (iptables command), Defining iptables filter rules

dsmtp mailer, Building a sendmail.cf with m4 macros

DSN (Delivery Status Notification), error codes, Transforming the Address

DSO (Dynamic Shared Object), Loading Dynamic Shared Objects

dump files, The zone table section, The Cache & Data section–The Cache & Data section, The Hints section–The Hints section

cache & data section, The Cache & Data section–The Cache & Data section

hints section, The Hints section–The Hints section

zone tables, The zone table section

dump-file option (named), The options Statement

dumpdb command, Cache Corruption

DURATION option (xinetd), Controlling Access with xinetd

dynamic address allocation, dhcpd.conf file, dhcpd.conf

dynamic assignment, Assigning Host Addresses

Dynamic DNS (DDNS), Dynamic Host Configuration Protocol

Dynamic Host Configuration Protocol, Dynamic Host Configuration Protocol (see DHCP)

dynamic routing, Common Routing Configurations

dynamic routing tables, Planning Routing

Dynamic Shared Object (DSO), Loading Dynamic Shared Objects

dynamic-bootp argument (dhcpd range parameter), dhcpd.conf

dynamic-bootp-lease-cutoff parameter, dhcpd.conf, Configuration Parameters

dhcpd, Configuration Parameters

dynamic-bootp-lease-length parameter, dhcpd.conf, Configuration Parameters

dhcpd, Configuration Parameters

dynamically allocated ports, Sockets

dynamically assigning addresses, Dynamic Host Configuration Protocol

dynamically loadable modules, Using Dynamically Loadable Modules–Using Dynamically Loadable Modules, Loading Dynamic Shared Objects–Loading Dynamic Shared Objects

httpd.conf file, Loading Dynamic Shared Objects–Loading Dynamic Shared Objects