Index

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# Index: D

daemons
  3.2. The Host Table
  5.4. The Internet Daemon
  uid : 5.4. The Internet Daemon
DATA command, in SMTP : 3.4.1. Simple Mail Transfer Protocol
data communications model : 1.2. A Data Communications Model
data compression, not provided in SLIP : 6.2.1. The Serial Protocols
Data Link Layer
  1.2. A Data Communications Model
  5.3.1.2. Pseudo-device
  6.1.1. Determining the Interface Name
  in PPP : 6.2.1. The Serial Protocols
Data Terminal Ready (DTR) modem control line : A.2. The PPP Daemon
data terminology : 1.3. TCP/IP Protocol Architecture
databases in sendmail
  arguments passed : 10.6.2.1. Transforming with a database
  defining (K command) : 10.6.2.1. Transforming with a database
datagrams
  1.3. TCP/IP Protocol Architecture
  1.5.1.1. The datagram
  1.7. Application Layer
  (see also IP datagrams)
  (see also User Datagram Protocol)
  connectionless delivery of : 1.6. Transport Layer
  converting source address of : 4.2.1. Obtaining an IP Address
  forwarding : 5.3.1.1. Options
  fragmented
    1.5.1.3. Fragmenting datagrams
    5.2. Linux Kernel Configuration
  headers
    2.7.1. Protocol Numbers
    2.7.2. Port Numbers
  marking end of : 6.2.1. The Serial Protocols
  routing : 1.5.1.2. Routing datagrams
  silently discarding : 11.8. Protocol Case Study
DCD (Data Carrier Detect) modem control line : A.2. The PPP Daemon
DDN Protocol Handbook : 1.3. TCP/IP Protocol Architecture
DDN security bulletins : 12.1.2.2. Use mailing lists to distribute information
debugging
  8.2.1. The Resolver Configuration File
  C.1.1. Signal Processing
decentralizing management : 2.3. Subnets
decryption : 12.6. Encryption
dedicated connections
  6.3.1. The PPP Daemon
  6.4. Installing SLIP
default
  domain
    3.3.3. Domain Names
    8.2.1. The Resolver Configuration File
    how used : 3.3.3. Domain Names
  gateway
    2.5. The Routing Table
    4.3. Planning Routing
    address : 4. Getting Started
  mask : 2.2.2. Classless IP Addresses
  passwords : 12.2. User Authentication
  route
    2.2.2.1. Final notes on IP addresses
    2.5. The Routing Table
    7.3. Building a Static Routing Table
    defining : 7.4.1.1. Running RIP with routed
  values : 3.6.1. Dynamic Host Configuration Protocol
defaultdomain file : 9.3. Network Information Service
defaultroute option : 6.3.1. The PPP Daemon
Defense Communications Agency (DCA) : 1.1. TCP/IP and the Internet
define macro (in sendmail)
  E.3. m4 sendmail Macros
  E.3.1. define
definition statements (in gated) : B.7. Definition Statements
delays, inserting
  6.3.2. Dial-Up PPP
  6.4.4. Troubleshooting Serial Connections
demultiplexing : 2.7. Protocols, Ports, and Sockets
denial of service, threat of : 12.1.1. Assessing the Threat
dequote database : 10.7.1. Modifying Local Information
DES-encrypted authentication : (see authentication)
designated router : 7.4.3. Open Shortest Path First
destination
  1.7. Application Layer
  (see also unreachable destinations, detecting)
  fields : 2.5. The Routing Table
  host : 2.5. The Routing Table
Destination Address
  1.5.1.1. The datagram
  2.2. The IP Address
Destination Port number
  1.6.1. User Datagram Protocol
  1.6.2. Transmission Control Protocol
Destination Unreachable Message : 1.5.2. Internet Control Message Protocol
/dev directory : 6.4.4. Troubleshooting Serial Connections
device statement : 5.3.1.3. Devices
dfstab file
  9.1.2.1. The share command
  9.1.5.1. NFS print services
dgram sockets : 5.4. The Internet Daemon
DHCP (Dynamic Host Configuration Protocol)
  Preface
  3.6.1. Dynamic Host Configuration Protocol
  backwards-compatible : 9.5. DHCP
  based on Bootstrap Protocol (BOOTP) : 9.4.2. BOOTP extensions
  benefits of : 9.5. DHCP
  daemon (dhcpd) : 9.5.1. dhcpd.conf
    command : D.2. The dhcpd Command
    compiling : D.1. Compiling dhcpd
    configuring : D.3. The dhcpd.conf Configuration File
    tools reference : D. A dhcpd Reference
    using latest versions of : D. A dhcpd Reference
  interoperability and : 3.6.1. Dynamic Host Configuration Protocol
  options available with : D.3.3. DHCP Options
    commonly used : D.3.3.1. Commonly used options
    others : D.3.3.2. Other options
dhcpd.conf file : 9.5.1. dhcpd.conf
dhcpd.pid file : D.2. The dhcpd Command
diagnostic tools : 11.2. Diagnostic Tools
dial-up connections : 6.3.1. The PPP Daemon
dial-up IP (dip)
  6.3.2. Dial-Up PPP
  6.4.2. Dial-Up IP
  script file : A.1.1. The dip Script File
    sample : A.1.1.1. A sample dip script
    for SLIP : 6.4.2. Dial-Up IP
    special variables, listed : A.1.1. The dip Script File
  tools reference : A.1. Dial-Up IP
dial-up PPP : 6.3.2. Dial-Up PPP
dictionary guessing : 12.2. User Authentication
dig
  11.2. Diagnostic Tools
  11.3. Testing Basic Connectivity
  11.6.4. dig: An Alternative to nslookup
  query types : 11.6.4. dig: An Alternative to nslookup
digest multipart subtype : 3.4.3. Multipurpose Internet Mail Extensions
digital signature system : 12.6. Encryption
Dijkstra Shortest Path First (SPF) algorithm : 7.4.3. Open Shortest Path First
dip (dial-up IP)
  6.3.2. Dial-Up PPP
  6.4.2. Dial-Up IP
  script file : A.1.1. The dip Script File
    sample : A.1.1.1. A sample dip script
    for SLIP : 6.4.2. Dial-Up IP
  tools reference : A.1. Dial-Up IP
diphosts file : 6.4.3. SLIP Server Configuration
diplogin command : 6.4.3. SLIP Server Configuration
direct delivery : 3.4.1. Simple Mail Transfer Protocol
directive statements (in gated) : B.3. Directive Statements
directory
  requirement for mounting : 9.1.3. Mounting Remote Filesystems
  statement : 8.3.1.2. Primary and secondary server configurations
disaster recovery plans
  11.10. Summary
  12.1.1. Assessing the Threat
  12.1.3. Writing a Security Policy
  12.8. Words to the Wise
disclosure of information, threat of : 12.1.1. Assessing the Threat
dismounting directories, by booting : 9.1.3.1. The mount command
Distfile : 9.6.1. rdist
distributed
  architecture : 7.5.1. Exterior Gateway Protocol
  control : 12.1.2. Distributed Control
  servers, managing : 9.6. Managing Distributed Servers
Distributed File System (DFS) : 3.7.1. File Sharing
distributing public keys : 12.6. Encryption
dividing problem into manageable pieces : 11.1.1. Troubleshooting Hints
DMBDEF variable : E.4.4. The sendmail K Command
dmesg command : 6.1.1. Determining the Interface Name
DNS (Domain Name Service)
  1.7. Application Layer
  3.1. Names and Addresses
  3.3. Domain Name Service
  (see also name service)
  benefits of
    3.3. Domain Name Service
    3.3.4. BIND, resolver, and named
  querying : 10.7.1. Modifying Local Information
  starting : 5.4. The Internet Daemon
docs/warnings file : 12.4.3.1. COPS
documentation
  historical, of problems : 11.1.1. Troubleshooting Hints
  using : 4.6. Informing the Users
domain
  1.7. Application Layer
  (see also domain)
  administration
    3.3.4. BIND, resolver, and named
    8.1. BIND: UNIX Name Service
    contacting : 13.6. The White Pages
  allocating : (see Network Information Center)
  creating : 3.3.2. Creating Domains and Subdomains
  downloading an entire : 8.4. Using nslookup
  entry, in resolv.conf : 8.2.1. The Resolver Configuration File
  hierarchy
    3.3.1. The Domain Hierarchy
    8.1. BIND: UNIX Name Service
  name (dn)
    3.3.3. Domain Names
    4. Getting Started
    application form : 4.4.1. Obtaining a Domain Name
    fully qualified : 3.3.3. Domain Names
    in NIS : 9.3. Network Information Service
    obtaining : 4.4.1. Obtaining a Domain Name
    parameter : 9.4. A BOOTP Server
  name servers : 4.2.1.1. Assigning host addresses
    parameter : 9.4. A BOOTP Server
  organizational : 3.3.1. The Domain Hierarchy
DOMAIN macro (in sendmail) : E.3. m4 sendmail Macros
Domain Name Pointer records : (see PTR resource records)
Domain Name Service : (see DNS)
DOMAIN source file (in sendmail)
  E.3.2. FEATURE
  E.3.4. DOMAIN
  mail relay defines, listed : E.3.4. DOMAIN
domain/named.root : 11.6.3. Cache corruption
domainname command : 9.3. Network Information Service
domaintable database : 10.7.1. Modifying Local Information
dots (..) for domain name : C.3.1. Standard Resource Records
dotted decimal notation : 2.3. Subnets
ds.internic.net : 13.4. Retrieving RFCs
dummy interface : 5.2. Linux Kernel Configuration
dump : 7.7.2. Testing the Configuration
dynamic
  assignment of addresses
    3.6.1. Dynamic Host Configuration Protocol
    4.2.1.1. Assigning host addresses
    automatic under DHCP : 9.5. DHCP
    circumstances favoring : 4.3. Planning Routing
  routing : 7.1. Common Routing Configurations
  routing table : 4.3. Planning Routing
Dynamic DNS : 3.6.1. Dynamic Host Configuration Protocol
Dynamic Host Configuration Protocol : (see DHCP)
dynamic-bootp flag : D.3.2. Configuration Parameters
dynamic-bootp-lease-cutoff parameter : 9.5.1. dhcpd.conf
dynamic-bootp-lease-length parameter : 9.5.1. dhcpd.conf
dynamically allocated ports : 2.7.3. Sockets

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