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Index: N

name : 3.1. Names and Addresses

name service

1.7. Application Layer

8. Configuring DNS Name Service

(see also DNS)

(see also Domain Name Service)

addresses : (see addresses)

process : 3.3.4. BIND, resolver, and named

troubleshooting

11.3. Testing Basic Connectivity
11.6. Checking Name Service

Name Service Switch file (nsswitch.conf) : 9.3.1. The nsswitch.conf file

named server daemon

5.4. The Internet Daemon
8.1. BIND: UNIX Name Service
booting : 8.3.3. The Cache Initialization File
command : C.1. The named Command
configuring : 8.3. Configuring named
process : 3.3.4. BIND, resolver, and named
starting at startup : 8.3.6.1. Starting named
tools reference : C. A named Reference

named.boot file

8.3.1. The named.boot File

11.6.3. Cache corruption

C.1. The named Command

configuration commands : C.2. named.boot Configuration Commands

listed : 8.3.1. The named.boot File

named.ca file : 11.6.3. Cache corruption

named.hosts file : 8.3.6. The named.hosts File

named.local file : 8.3.4. The named.local File

named.pid file : 11.6.3. Cache corruption

named.rev file : 8.3.5. The Reverse Domain File

nameserver entry, in resolv.conf : 8.2.1. The Resolver Configuration File

National Center for Supercomputer Applications (NCSA) : 13.1. The World Wide Web

National Institute of Standards and Technology (NIST)

12.1.2.2. Use mailing lists to distribute information
13.1. The World Wide Web

National Science Foundation (NSF) : 1.1. TCP/IP and the Internet

natural mask : 2.2.2. Classless IP Addresses

NBMA interfaces

B.6. Interface Statements
B.8.1. The ospf Statement

NCSA (National Center for Supercomputer Applications) : 13.1. The World Wide Web

neighbors

acquiring : 7.5.1. Exterior Gateway Protocol

allowing

7.7.1.3. Exterior gateway configuration
B.8.6. The egp Statement

net domain : 3.3.1. The Domain Hierarchy

Net/Dest : (see Net/Dest value)

Net/Dest value

6.1.1. Determining the Interface Name
6.1.5.5. Point-to-point

netconfig : 4.7. netconfig

Netscape browser : 13.1. The World Wide Web

netstat

-in command : 6.1.1. Determining the Interface Name

-ni command : 6.4.4. Troubleshooting Serial Connections

-nr command

2.5. The Routing Table
7.3.1. Adding Static Routes
11.5. Checking Routing

to display routing table : 12.7.2. Routing control

troubleshooting with

11.2. Diagnostic Tools
11.3. Testing Basic Connectivity
11.4.3. Checking the Interface with netstat

network : (see enterprise)

access

balancing against computer security : 12. Network Security
troubleshooting : 11.4. Troubleshooting Network Access

address translation (NAT) : 4.2.1. Obtaining an IP Address

advantages of : 4.2.1. Obtaining an IP Address
disadvantages of : 4.2.1. Obtaining an IP Address

administration

1.7. Application Layer

3.1. Names and Addresses

avoiding problems

11.4.2.1. ARP problem case study
11.9. Simple Network Management Protocol

decentralized : 2.3. Subnets

defined

1. Overview of TCP/IP
11. Troubleshooting TCP/IP

developing feel for : 12.4.1. Know Your System

need for information about : Preface

security responsibilites of : 12.1.3. Writing a Security Policy

simplifying : 4.2.2. Defining the Subnet Mask

break-ins, increasing : 12. Network Security

building : Foreword from the First Edition

connected or not connected to Internet : 4.1. Connected and Non-Connected Networks

diameter : 1.7. Application Layer

limited : 7.4.1.1. Running RIP with routed

hardware

1.7. Application Layer

(see also physical, network)

with built-in diagnostic software : 11.3.1. The ping Command

problems with

11.3.1. The ping Command
11.4.3. Checking the Interface with netstat
11.4.4.1. Network hardware problems

heterogeneous : 1.1.2. Protocol Standards

interfaces : 3.1. Names and Addresses

enabling or disabling : 6.1.5.1. Enabling and disabling the interface
information need for : 6.1. The ifconfig Command

maps drawn by monitors : 11.9. Simple Network Management Protocol

mask : 2.5. The Routing Table

in RIP-2 : 7.4.2. RIP Version 2

monitoring traffic on : 11.7. Analyzing Protocol Problems

news : 13.5.1. Newsgroups

numbers

2.2.1. Address Classes
4.2.1.1. Assigning host addresses

problems, how to approach : 11. Troubleshooting TCP/IP

processes : 8.2. Configuring the Resolver

resources, controlling : 12.1.3. Writing a Security Policy

saturated : 11.4.3. Checking the Interface with netstat

servers : 2.7.2. Port Numbers

configuring : 9. Configuring Network Servers

shared media : 11.4.4. Subdividing an Ethernet

subdividing : 11.4.3. Checking the Interface with netstat

subnetted : 4.2.1.1. Assigning host addresses

topology of : 2.2.2. Classless IP Addresses

underlying : 1.4. Network Access Layer

unreliable : 11.3.1. The ping Command

unusual activity on : 12.4.1. Know Your System

usage, monitoring : 5.2. Linux Kernel Configuration

X.25 : 1.5.1.3. Fragmenting datagrams

Network Access Layer

1.3. TCP/IP Protocol Architecture
6.1.1. Determining the Interface Name
protocols : 3.6. Bootstrap Protocol

Network Access Points

1.1. TCP/IP and the Internet
2.4. Internet Routing Architecture
7.5.2. Border Gateway Protocol

Network Control protocols : 6.2.1. The Serial Protocols

Network File System : (see NFS)

Network Information Center : (see NIC)

Network Information Service : (see NIS)

Network Layer

1.2. A Data Communications Model
6.1.1. Determining the Interface Name

Network Management Station (NMS) : 11.9. Simple Network Management Protocol

Network News Transfer Protocol (NNTP) : 13.5.1. Newsgroups

Network Terminal Protocol (TELNET) : 1.7. Application Layer

network unreachable error message

11.3. Testing Basic Connectivity
11.5. Checking Routing

Network/Destination value

6.1.1. Determining the Interface Name
6.1.5.5. Point-to-point

networks file

3.2. The Host Table
6.1.3. Assigning a Subnet Mask
7.3. Building a Static Routing Table
9.3. Network Information Service
as maps : 3.3.5. Network Information Service

newly registered hosts : 3.2. The Host Table

news message subtype : 3.4.3. Multipurpose Internet Mail Extensions

newsgroups : 13.5.1. Newsgroups

for security information : 12.1.2.2. Use mailing lists to distribute information
using : 4.1.1. Network Contacts

newsreader, using : 13.5.1. Newsgroups

next-hop route : 7.4.3. Open Shortest Path First

specifying : 7.3. Building a Static Routing Table

in RIP-2 : 7.4.2. RIP Version 2

NFS (Network File System)

1.7. Application Layer
3.7.1. File Sharing
9.1. The Network File System
9.6. Managing Distributed Servers
benefits of : 9.1. The Network File System

NFS daemon (nfsd) : 9.1.1. NFS Daemons

NFS-based print services : 9.1.5.1. NFS print services

nfs.client script : 9.1.1. NFS Daemons

nfs.server script : 9.1.1. NFS Daemons

NFSNET backbone : 1.1. TCP/IP and the Internet

NIC (Network Information Center) : 3.3.2. Creating Domains and Subdomains

handle : 4.4.1. Obtaining a Domain Name

NIS (Network Information Service)

3.3.5. Network Information Service

9.3. Network Information Service

maps of

3.3.5. Network Information Service
6.1.3. Assigning a Subnet Mask
10.6.1. Pattern Matching

NIS+ : 9.3.2. NIS+

NIST (National Institute of Standards and Technology)

12.1.2.2. Use mailing lists to distribute information
13.1. The World Wide Web

NMS (Network Management Station) : 11.9. Simple Network Management Protocol

NNTP (Network News Transfer Protocol) : 13.5.1. Newsgroups

no answer error message : 11.3. Testing Basic Connectivity

no more data from sender (FIN) bit : 1.6.2. Transmission Control Protocol

nobody uid

5.4. The Internet Daemon
9.1.2.1. The share command

non-authoritative servers : 3.3.4. BIND, resolver, and named

non-broadcast multi-access (NBMA) interfaces

B.6. Interface Statements
B.8.1. The ospf Statement

non-connected network : 4.1. Connected and Non-Connected Networks

non-encoded binary data : 3.4.3. Multipurpose Internet Mail Extensions

non-Internet sites, delivering mail to : C.3.1.4. Mail exchanger record

non-recursive queries : 3.3.2. Creating Domains and Subdomains

notation, dotted decimal : 2.3. Subnets

NP keyword : 12.2.1. The Shadow Password File

NS query : 11.6. Checking Name Service

NS records

8.3.5. The Reverse Domain File
8.3.6. The named.hosts File

NS resource records : C.3.1.2. Name server record

nservers option : 9.1.1. NFS Daemons

NSF (National Science Foundation)

1.1. TCP/IP and the Internet
7.5.2. Border Gateway Protocol

NSFNET : 2.4. Internet Routing Architecture

backbone : 7.4. Interior Routing Protocols

nslookup

4.4.1. Obtaining a Domain Name

8.4. Using nslookup

in troubleshooting

11.2. Diagnostic Tools
11.3. Testing Basic Connectivity
11.6. Checking Name Service

nsswitch.conf file

9.3.1. The nsswitch.conf file
E.4.2. sendmail Options

numeric addresses : (see addresses)

numeric values, in printcap parameters : 9.2.1. The printcap File

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