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Tiêu đề TCP/IP Network Administration
Tác giả Craig Hunt
Trường học O'Reilly & Associates
Chuyên ngành Network Administration
Thể loại sách
Năm xuất bản 1997
Thành phố Sebastopol
Định dạng
Số trang 50
Dung lượng 771,08 KB

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Standard Resource Records ending gated configuration statements 7.7.1.1.. Multipurpose Internet Mail Extensions aspppd.cf file : 6.3.6.. Exterior gateway configuration statement in gated

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By Craig Hunt; ISBN 1-56592-322-7, 630 pages.

Second Edition, December 1997.

(See the catalog page for this book.)

Search the text of TCP/IP Network Administration

Index

Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Table of Contents

Preface

Chapter 1: Overview of TCP/IP

Chapter 2: Delivering the Data

Chapter 3: Network Services

Chapter 4: Getting Started

Chapter 5: Basic Configuration

Chapter 6: Configuring the Interface

Chapter 7: Configuring Routing

Chapter 8: Configuring DNS Name Service

Chapter 9: Configuring Network Servers

Chapter 10: sendmail

Chapter 11: Troubleshooting TCP/IP

Chapter 12: Network Security

Chapter 13: Internet Information Resources

Appendix A: PPP Tools

Appendix B: A gated Reference

Appendix C: A named Reference

Appendix D: A dhcpd Reference

Appendix E: A sendmail Reference

Appendix F: Selected TCP/IP Headers

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Search | Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: Symbols and Numbers

6-bit serial lines, running over : 5.2 Linux Kernel Configuration

7bit encoding type : 3.4.3 Multipurpose Internet Mail Extensions

8bit encoding type : 3.4.3 Multipurpose Internet Mail Extensions

'' (apostrophes) (expect nothing) : 6.3.3 chat

apostrophes ('') (expect nothing) : A.3 chat

* (asterisk)

meaning interface not enabled : 6.1.1 Determining the Interface Name

in name field, indicating wildcard character : C.3.1 Standard Resource Records

@ (at sign)

for current origin : C.3.1 Standard Resource Records

excluding an individual parameter : 9.4 A BOOTP Server

referencing current domain : 8.3.5 The Reverse Domain File

\ (backslash) escaping newline characters

9.2.1 The printcap File

A.3 chat

C.3.1 Standard Resource Records

: (colon)

beginning and ending fields

9.2.1 The printcap File 9.2.2 Solaris Line Printer Service separating parameters : 9.4 A BOOTP Server

{} (curly braces)

configuration statements

7.7.1.1 A host configuration B.2 The gated Configuration Language D.3 The dhcpd.conf Configuration File long variable names : 10.5 sendmail Configuration

macro names : 10.5.2 The Define Macro Command

(dots) for domain name : C.3.1 Standard Resource Records

- (minus) (non-equivalent host) : 12.2.5 Secure the r Commands

-> (arrow), for copying files : 9.6.1 rdist

() (parentheses), for continuation characters : C.3.1 Standard Resource Records

; (semicolon)

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comment character : C.3.1 Standard Resource Records

ending gated configuration statements

7.7.1.1 A host configuration B.2 The gated Configuration Language

# (sharp sign) for comments

3.2 The Host Table

5.4 The Internet Daemon

7.7.1.1 A host configuration

9.1.4 NFS Automounter

9.2.1 The printcap File

9.4 A BOOTP Server

A.1.1 The dip Script File

D.3 The dhcpd.conf Configuration File

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Copyright © 1999 O'Reilly & Associates, Inc All Rights Reserved

[ Library Home | DNS & BIND | TCP/IP | sendmail | sendmail Reference | Firewalls | Practical Security ]

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Index: A

ABORT keyword : A.3 chat

Abstract Syntax Notation One (ASN.1) : 11.9 Simple Network Management Protocol access control : 12.5 Access Control

levels of : 9.1.2.1 The share command

services to place under, listed : 12.5.1 wrapper

software for : 12.5 Access Control

ACKD command, in POP : 3.4.2 Post Office Protocol

Acknowledgment (ACK) bit set : 1.6.2 Transmission Control Protocol

Acknowledgment Number field : 1.6.2 Transmission Control Protocol

adaptive protocol value : 6.4.1 slattach

Address Resolution Protocol : (see ARP)

addresses

1.1.1 TCP/IP Features

1.7 Application Layer

2.1 Addressing, Routing, and Multiplexing

(see also IP addresses)

(see also leases on addresses)

allocating

dynamically : 3.6.1 Dynamic Host Configuration Protocol manually : 3.6.1 Dynamic Host Configuration Protocol assigning

in blocks : 4.2.1.1 Assigning host addresses

in contiguous blocks

2.2.2 Classless IP Addresses B.11 The Aggregate Statements

in DHCP : 3.6.1 Dynamic Host Configuration Protocol broadcast

2.2.2.1 Final notes on IP addresses 2.6 Address Resolution

4 Getting Started 6.1 The ifconfig Command 6.1.2 Checking the Interface with ifconfig limited : 3.6 Bootstrap Protocol

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setting : 6.1.4 Setting the Broadcast Address specifying : 4.2.2 Defining the Subnet Mask classes of

1.7 Application Layer 2.2.1 Address Classes 4.2.1 Obtaining an IP Address class rules : 7.4.1.1 Running RIP with routed converting : 10.6.3 The Set Ruleset Command

email

processing : 10.6.3 The Set Ruleset Command simplified : 10.5.3 The Define Class Command gateway : (see gateway)

getting in pppd : 6.3.2 Dial-Up PPP

host : 2.2.1 Address Classes

assigning : 4.2.1.1 Assigning host addresses Internet-style : 10.7.1 Modifying Local Information

mask, written in hexadecimal : 6.1.2 Checking the Interface with ifconfig mixtures of in DHCP : 3.6.1 Dynamic Host Configuration Protocol

multiple : 8.2.1 The Resolver Configuration File

numeric : 3.1 Names and Addresses

processing

by several rewrite rules : 10.6.2 Transforming the Address verifying : 10.8 Testing sendmail.cf

recipient : 10.6.3 The Set Ruleset Command

records of : C.3.1.3 Address record

reserved

2.2.1 Address Classes 2.2.2.1 Final notes on IP addresses resolution of : 2.6 Address Resolution

sender

10.6.3 The Set Ruleset Command 10.8.1 Testing Rewrite Rules spoofing

4.2.1 Obtaining an IP Address 5.2 Linux Kernel Configuration timing out : 3.6.1 Dynamic Host Configuration Protocol

translating : 5.2 Linux Kernel Configuration

admin alias : 10.3 sendmail Aliases

administration : (see network, administration)

admintool

9.2.2 Solaris Line Printer Service

12.2.1 The Shadow Password File

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adventurous users, supporting : 9.7.2 IMAP Server

aggregate statements (in gated) : B.11 The Aggregate Statements

alarms provided by monitors : 11.9 Simple Network Management Protocol algorithms

back-off : 9.4 A BOOTP Server

Dijkstra Shortest Path First (SPF) : 7.4.3 Open Shortest Path First distance-vector : 7.4 Interior Routing Protocols

aliases : 2.7.2 Port Numbers

file : 10.3 sendmail Aliases

processing addresses against : 10.6.3 The Set Ruleset Command for hostnames : 8.3.6 The named.hosts File

in sendmail : 10.1 sendmail's Function

aliases file

3.4.1 Simple Mail Transfer Protocol

9.3 Network Information Service

AliasFile option : 10.5.4 The Set Option Command

allmulti parameter : 6.1.5.5 Point-to-point

alternative multipart subtype : 3.4.3 Multipurpose Internet Mail Extensions America Online (AOL) : 4.1 Connected and Non-Connected Networks

Andrew File System : 3.7.1 File Sharing

anonymous FTP : 13.2 Anonymous FTP

ANY query : 11.6 Checking Name Service

apostrophes ('') (expect nothing)

6.3.3 chat

A.3 chat

Application Layer : 1.2 A Data Communications Model

in TCP/IP : 1.7 Application Layer

applications

content type : 3.4.3 Multipurpose Internet Mail Extensions

protocols for : 2.7.2 Port Numbers

widely implemented : 1.7 Application Layer security issues concerning : 12.3 Application Security

archie : 13.3.1 archie

client software : 13.3.1.1 archie client software

servers : 13.3.1 archie

archie.internic.net : 13.3.1 archie

ARCnet interface : 5.2 Linux Kernel Configuration

area border routers : 7.4.3 Open Shortest Path First

ARP (Address Resolution Protocol)

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command

2.6 Address Resolution 5.3.1.1 Options

in troubleshooting : 11.4.2 Troubleshooting with the arp Command

in troubleshooting : 11.2 Diagnostic Tools enabling : 6.1.5.2 ARP and trailers

proxy server for : 5.3.1.1 Options

support in BSD : 5.3.1.2 Pseudo-device

table : A.1.1 The dip Script File

viewing contents of : 11.4.2 Troubleshooting with the arp Command ARPA Internet Text Messages : 3.4.3 Multipurpose Internet Mail Extensions

ARPANET

1.1 TCP/IP and the Internet

1.5.1.1 The datagram

2.4 Internet Routing Architecture

6.2 TCP/IP Over a Serial Line

arrow (->), for copying files : 9.6.1 rdist

AS path

operators, listed : B.10 Control Statements

vector : B.10 Control Statements

ASCII data (US) : 3.4.3 Multipurpose Internet Mail Extensions

aspppd.cf file : 6.3.6 Solaris PPP

Assigned Numbers RFC

2.7 Protocols, Ports, and Sockets

C.3.1.7 Host Information record

assumptions, making

11.1.1 Troubleshooting Hints

11.8 Protocol Case Study

asterisk (*)

meaning interface not enabled : 6.1.1 Determining the Interface Name

in name field, indicating wildcard character : C.3.1 Standard Resource Records asynchronous modems : (see modems)

Asynchronous PPP Daemon (aspppd) : 6.3.6 Solaris PPP

at sign (@)

for current origin : C.3.1 Standard Resource Records

excluding an individual parameter : 9.4 A BOOTP Server

referencing current domain : 8.3.5 The Reverse Domain File

at, files run by, in security checks : 12.4.2 Looking for Trouble

audio data content : 3.4.3 Multipurpose Internet Mail Extensions

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9.3.2 NIS+

12.2 User Authentication

(see also packet)

(see also user authentication)

DES-encrypted : 9.3.2 NIS+

in pppd

6.3.4 PPP Daemon Security A.2 The PPP Daemon server : 9.1.5 NFS Authentication Server

authoritative servers

1.7 Application Layer

3.3 Domain Name Service

3.3.4 BIND, resolver, and named

(see also non-authoritative servers)

auto_direct file : 9.1.4 NFS Automounter

auto_home file : 9.1.4 NFS Automounter

auto_master file : 9.1.4 NFS Automounter

auto-revarp parameter : 6.1.5.5 Point-to-point

autofs script : 9.1.4 NFS Automounter

Automatic Call Unit (ACU) : 6.3.6 Solaris PPP

automount : 9.1.4 NFS Automounter

command : 9.1.4 NFS Automounter

configuration files (maps) for : 9.1.4 NFS Automounter

filesystem (autofs), defining : 9.1.4 NFS Automounter

automounter daemon (automountd) : 9.1.4 NFS Automounter

autonomous systems (AS)

2.4 Internet Routing Architecture

7.4 Interior Routing Protocols

defined : 7.5 Exterior Routing Protocols

external (ASE) routes

7.7.1.3 Exterior gateway configuration B.8.1 The ospf Statement

B.10.1 The import Statement types of : B.10.2 The export Statement listing of : B.10 Control Statements

number (ASN)

4.3.1 Obtaining an autonomous system number B.7 Definition Statements

B.8.5 The bgp Statement subdividing : 7.4.3 Open Shortest Path First

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Copyright © 1999 O'Reilly & Associates, Inc All Rights Reserved

[ Library Home | DNS & BIND | TCP/IP | sendmail | sendmail Reference | Firewalls | Practical Security ]

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Index: B

back-off algorithms : 9.4 A BOOTP Server

backbones

7.4.3 Open Shortest Path First

7.7.1.2 Interior gateway configurations

backslash (\) escaping newline characters

9.2.1 The printcap File

basic audio subtype : 3.4.3 Multipurpose Internet Mail Extensions

Basic Encoding Rules (BER) : 11.9 Simple Network Management Protocol

basic terminology : (see terminology, importance of using standard)

bastion host : 12.7 Firewalls

Berkeley Internet Name Domain : (see BIND)

BGP (Border Gateway Protocol)

Preface

2.4 Internet Routing Architecture

4.3.1 Obtaining an autonomous system number

7.5 Exterior Routing Protocols

7.5.2 Border Gateway Protocol

enabling (in gated)

7.7.1.3 Exterior gateway configuration B.10 Control Statements

inside autonomous systems : 7.7.1.3 Exterior gateway configuration

statement (in gated) : B.8.5 The bgp Statement

bi-lateral agreements : 2.4 Internet Routing Architecture

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encoding type : 3.4.3 Multipurpose Internet Mail Extensions

BIND (Berkeley Internet Name Domain)

Preface

UNIX Versions

3.3.4 BIND, resolver, and named

8.1 BIND: UNIX Name Service

11.2 Diagnostic Tools

configuration types : 8.1.1 BIND Configurations

debugging : 8.4 Using nslookup

bit masks : 2.2.2 Classless IP Addresses

bit sets : 1.6.2 Transmission Control Protocol

blackhole

interface : B.6 Interface Statements

route : B.9 static Statements

configuration parameters : 9.4.2 BOOTP extensions

updating : 9.4.2 BOOTP extensions

Boolean values

in dhcpd parameters : 9.5.1 dhcpd.conf

in printcap parameters : 9.2.1 The printcap File

boot

directory (hd) defined : 9.4 A BOOTP Server

file (bf) parameter : 9.4 A BOOTP Server

scripts, starting daemons from : 9.1.1 NFS Daemons

BOOTP (Bootstrap Protocol)

Preface

3.6 Bootstrap Protocol

A.1.1 The dip Script File

clients : D.3.2 Configuration Parameters

expanded by DHCP : 3.6.1 Dynamic Host Configuration Protocol bootp-2.4.3.tar file : 9.4.2 BOOTP extensions

bootp-DDS2.4.3.tar file : 9.4 A BOOTP Server

bootpd (BOOTP daemon) : 9.4 A BOOTP Server

bootpd file : 9.6.1 rdist

bootpgw (BOOTP gateway) : 9.4.1 BOOTP gateway

BOOTREPLY packet : 3.6 Bootstrap Protocol

BOOTREQUEST packet

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3.6 Bootstrap Protocol

9.4 A BOOTP Server

9.4.1 BOOTP gateway

9.5.1 dhcpd.conf

Bootstrap Protocol : (see BOOTP)

Border Gateway Protocol : (see BGP)

border routers : 7.7.1.3 Exterior gateway configuration

braces ({})

configuration statements

7.7.1.1 A host configuration B.2 The gated Configuration Language D.3 The dhcpd.conf Configuration File long variable names : 10.5 sendmail Configuration

macro names : 10.5.2 The Define Macro Command

breakdowns : (see disaster recovery plans)

broadcast addresses : (see addresses)

browsers : 13.1 The World Wide Web

BSD systems

kernel configuration file : 5.3 The BSD Kernel Configuration File

remounting filesystems on : 9.1.3.2 The vfstab and fstab files

BSD-Compress scheme : A.2 The PPP Daemon

buffer overruns : 6.1.5.4 Maximum transmission unit

byte-oriented masks : 2.3 Subnets

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Copyright © 1999 O'Reilly & Associates, Inc All Rights Reserved

[ Library Home | DNS & BIND | TCP/IP | sendmail | sendmail Reference | Firewalls | Practical Security ]

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Index: C

cable tester

11.2 Diagnostic Tools

11.3.1 The ping Command

11.4.3 Checking the Interface with netstat

cache : 3.3 Domain Name Service

corruption : 11.6.3 Cache corruption

initialization file : 8.3.3 The Cache Initialization File

single answers : 3.3.4 BIND, resolver, and named

statement

8.3.1.1 Configuring a caching-only nameserver C.2 named.boot Configuration Commands caching-only servers

3.3.4 BIND, resolver, and named

8.1.1 BIND Configurations

8.3.1.1 Configuring a caching-only nameserver

cannot connect error : 3.4.1 Simple Mail Transfer Protocol

Canonical Name (CNAME) resource records

8.3.6 The named.hosts File

10.7.1 Modifying Local Information

C.3.1.5 Canonical Name record

carrier-detect (DCD) indicator, monitoring : 6.3.3 chat

central administrator : (see network, administration)

cf/cf directory : 10.4.1 Locating a Sample sendmail.cf File

cf/feature directory : E.3.2 FEATURE

cf/ostype directory : 10.4.1.1 Building a sendmail.cf with m4 macros

cgm image subtype : 3.4.3 Multipurpose Internet Mail Extensions

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Challenge Handshake Authentication Protocol : (see CHAP)

challenge string : 6.3.4 PPP Daemon Security

CHAP (Challenge Handshake Authentication Protocol)

6.3.4 PPP Daemon Security

A.2 The PPP Daemon

chap-secrets file : 6.3.4 PPP Daemon Security

Chapman, Brent : 12.1.1 Assessing the Threat

chat script : 6.3.3 chat

chat scripting language

A.2 The PPP Daemon

A.3 chat

escape sequences, listed : A.3 chat

chatkey : A.1.1 The dip Script File

checksums

1.6.2 Transmission Control Protocol

11.8 Protocol Case Study

recalculating

4.2.1 Obtaining an IP Address 5.3.1.1 Options

CIDR (Classless Inter-Domain Routing) : 2.2.2 Classless IP Addresses

address mask

2.2 The IP Address 2.2.2 Classless IP Addresses blocks : B.11 The Aggregate Statements

cipher : 12.6 Encryption

Cisco routers : 12.5 Access Control

class w, defining : 10.7.1 Modifying Local Information

classes of addresses : (see addresses, classes of)

Classless Inter-Domain Routing : (see CIDR)

clear text : 12.6 Encryption

client statement : B.8.10 The routerdiscovery Statement

CNAME : (see Canonical Name (CNAME) resource records)

Collis field : 11.4.3 Checking the Interface with netstat

collision rate

6.1.1 Determining the Interface Name

11.4.3 Checking the Interface with netstat

reducing : 11.4.4 Subdividing an Ethernet

colon (:)

beginning and ending fields

9.2.1 The printcap File 9.2.2 Solaris Line Printer Service separating parameters : 9.4 A BOOTP Server

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com domain : 3.3.1 The Domain Hierarchy

Commercial Information Exchange (CIX) : 1.1 TCP/IP and the Internet

communications, interpersonal : (see email (electronic mail))

comp.security newsgroups : 12.1.2.2 Use mailing lists to distribute information

Computer Emergency Response Team (CERT) advisories : 12.1.2.2 Use mailing lists to distribute information

Computer Security Resource Clearinghouse : 13.1 The World Wide Web

computer-to-computer services

servers providing : 9 Configuring Network Servers

conditionals in macro definitions : 10.5.2.1 Conditionals

conf directory : 5.3 The BSD Kernel Configuration File

conf/master directory : 8.3.4 The named.local File

confidence factor : 11.1.1 Troubleshooting Hints

configuration

parameters (in dhcpd) : D.3.2 Configuration Parameters

problems : 11.4.1 Troubleshooting with the ifconfig Command

servers : 3.5 Configuration Servers

system, prerequisites for : 4 Getting Started

connection command-line option, in pppd : 6.3.3 chat

connectivity

1.7 Application Layer

(see also firewalls)

troubleshooting : 11.3 Testing Basic Connectivity

content types : 3.4.3 Multipurpose Internet Mail Extensions

Content-Transfer-Encoding headers : 3.4.3 Multipurpose Internet Mail Extensions

Content-Type headers : 3.4.3 Multipurpose Internet Mail Extensions

contiguous blocks : (see addresses, assigning)

control

information : 1.3 TCP/IP Protocol Architecture

statements (in gated) : B.10 Control Statements

convergence of routing, delays in : 7.4.1.1 Running RIP with routed

COPS (Computer Oracle Password and Security) programs : 12.4.3.1 COPS

copy (cp) command, in NFS : 9.1 The Network File System

core gateways

2.4 Internet Routing Architecture

7.5.1 Exterior Gateway Protocol

count field : 11.3.1 The ping Command

count-to-infinity problem : 7.4.1.1 Running RIP with routed

crash

resetting locks after : 9.1.1 NFS Daemons

restarting after : 9.2.2 Solaris Line Printer Service

crises : (see disaster recovery plans)

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cron, files run by, in security checks : 12.4.2 Looking for Trouble

crtscts option : 6.3.1 The PPP Daemon

crypto-checksum : 7.4.3 Open Shortest Path First

CSLIP : (see Van Jacobson header compression)

-Ctest.cf argument : 10.8 Testing sendmail.cf

cua devices : 6.4.4 Troubleshooting Serial Connections

curly braces ({})

configuration statements

7.7.1.1 A host configuration B.2 The gated Configuration Language D.3 The dhcpd.conf Configuration File long variable names : 10.5 sendmail Configuration

macro names : 10.5.2 The Define Macro Command

cyrus and cyrusbb mailers : E.3.5 MAILER

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Copyright © 1999 O'Reilly & Associates, Inc All Rights Reserved

[ Library Home | DNS & BIND | TCP/IP | sendmail | sendmail Reference | Firewalls | Practical Security ]

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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

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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

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

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

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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)

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)

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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

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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

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

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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

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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Copyright © 1999 O'Reilly & Associates, Inc All Rights Reserved

[ Library Home | DNS & BIND | TCP/IP | sendmail | sendmail Reference | Firewalls | Practical Security ]

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Search | Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: E

Echo Message

1.5.2 Internet Control Message Protocol

7.2 The Minimal Routing Table

edit FYIs (For Your Information) : 13.7 Summary

edu domain : 3.3.1 The Domain Hierarchy

EGP (Exterior Gateway Protocol)

2.4 Internet Routing Architecture

7.5.1 Exterior Gateway Protocol

11.9 Simple Network Management Protocol

neighbors : 7.5.1 Exterior Gateway Protocol

statement (in gated) : B.8.6 The egp Statement

EHLO command, in ESMTP

3.4.3 Multipurpose Internet Mail Extensions

10.8 Testing sendmail.cf

email (electronic mail)

1.7 Application Layer

(see also mail, servers; addresses)

delivering : 1.7 Application Layer

for file transfers : 3.4.3 Multipurpose Internet Mail Extensions

growing importance of : 9.7.2 IMAP Server

for RFCs : 13.4.1 Retrieving RFCs by mail

emergencies : (see disaster recovery plans)

encapsulation : 1.3 TCP/IP Protocol Architecture

of datagrams : 1.4 Network Access Layer

of mail messages : 3.4.3 Multipurpose Internet Mail Extensions

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7.5.2 Border Gateway Protocol B.10 Control Statements

enriched text subtype : 3.4.3 Multipurpose Internet Mail Extensions

enterprise

networks : 4.1 Connected and Non-Connected Networks

subnets : 5.2 Linux Kernel Configuration

enterpriseSpecific trap : 11.9 Simple Network Management Protocol

equal-cost multi-path routing : 7.4.3 Open Shortest Path First

equivalent hosts : 12.2.5 Secure the r Commands

error

correction, not provided in SLIP : 6.2.1 The Serial Protocols

detection

1.5.1 Internet Protocol 11.8 Protocol Case Study end-to-end : 1.6 Transport Layer human : 11.1.1 Troubleshooting Hints

messages

passing to user : 10.6.2 Transforming the Address

in troubleshooting

11.1.1 Troubleshooting Hints 11.3 Testing Basic Connectivity recovery : 1.5.1 Internet Protocol

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