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Index: P

packet : 1.3. TCP/IP Protocol Architecture

authentication : 7.4.2. RIP Version 2

bogus, interjecting : 5.3.1.1. Options

capturing : 5.3.1.2. Pseudo-device

damaged : 6.1.1. Determining the Interface Name

filters : 11.7.1. Packet Filters

constructing : 11.7.1. Packet Filters
in firewalls : 12.7. Firewalls
primitives used, listed : 11.7.1. Packet Filters

options in DHCP : 3.6.1. Dynamic Host Configuration Protocol

queued : 6.1.1. Determining the Interface Name

routing : 1.5.1.1. The datagram

switching : 1.5.1.1. The datagram

update : 7.4.1. Routing Information Protocol

packetsize : 11.3.1. The ping Command

PAP (Password Authentication Protocol)

6.3.4. PPP Daemon Security
A.2. The PPP Daemon

pap-secrets file : 6.3.4. PPP Daemon Security

Parallel Line IP (PLIP) : 5.2. Linux Kernel Configuration

parallel multipart subtype : 3.4.3. Multipurpose Internet Mail Extensions

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

partial message subtype : 3.4.3. Multipurpose Internet Mail Extensions

passing data : (see data communications model)

passive option

in pppd : 6.3.5. PPP Server Configuration

in RIP

7.4.1.1. Running RIP with routed
7.7.1.2. Interior gateway configurations

passwd command line : 12.2.1. The Shadow Password File

passwd file

6.3.5. PPP Server Configuration
6.4.3. SLIP Server Configuration
9.1.5. NFS Authentication Server
9.3. Network Information Service
10.4.1.1. Building a sendmail.cf with m4 macros
12.2.1. The Shadow Password File
13.2.1. Creating an FTP Server
protecting : 12.2. User Authentication
in security checks : 12.4.2. Looking for Trouble

password

1.7. Application Layer

(see also shadow password file)

aging : 12.2.1. The Shadow Password File

changing frequently : 12.2. User Authentication

tricks used to avoid : 12.2.1. The Shadow Password File

choosing : 12.2.2. Choosing a Password

guidelines for : 12.2.2. Choosing a Password

command : 6.3.2. Dial-Up PPP

guessing or stealing : 12.2. User Authentication

one-time

Preface
12.2.3. One-Time Passwords
systems for : 12.2.3. One-Time Passwords

seemingly random, constructing : 12.2.2. Choosing a Password

writing down : 12.2.4. OPIE

Password Authentication Protocol (PAP) : A.2. The PPP Daemon

password-based authentication

7.4.3. Open Shortest Path First
7.7.1.2. Interior gateway configurations
9.1.5. NFS Authentication Server

path MTU discovery code : 5.2. Linux Kernel Configuration

path vector protocols : 7.5.2. Border Gateway Protocol

pattern matching : 10.6.1. Pattern Matching

symbols for : 10.5.3. The Define Class Command

PC NFS Authentication and Print Server (pcnfsd) : 9.1.5. NFS Authentication Server

PCI bus : 5.3.1.3. Devices

PCM audio subtype : 3.4.3. Multipurpose Internet Mail Extensions

pcnfsd.conf file : 9.1.5.1. NFS print services

PDUs (Protocol Data Units) : 11.9. Simple Network Management Protocol

peer

3. Network Services
7.5.2. Border Gateway Protocol
B.5. Options Statements
clauses : 7.7.1.3. Exterior gateway configuration
level communications : 1.2. A Data Communications Model
subclauses : B.8.5. The bgp Statement

Perimeter Network : 12.7. Firewalls

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

personal mail forwarding : 10.3.1. Personal mail forwarding

PGP (Pretty Good Privacy) : 12.6.1. When is symmetric encryption useful?

physical

network

1.5.1.2. Routing datagrams

2.3. Subnets

2.6. Address Resolution

3.5.1. Reverse Address Resolution Protocol

address, embedded in response : 3.6. Bootstrap Protocol

independence from

1.1.1. TCP/IP Features
6. Configuring the Interface

security : 12.1.1. Assessing the Threat

serial ports : 6.4.4. Troubleshooting Serial Connections

Physical Layer

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

ping command

6.4.4. Troubleshooting Serial Connections

7.2. The Minimal Routing Table

statistics displayed by

11.3.1. The ping Command
11.4.3. Checking the Interface with netstat

in troubleshooting : 11.3. Testing Basic Connectivity

pipe character (|) separating multiple printer names : 9.2.1. The printcap File

plain text subtype : 3.4.3. Multipurpose Internet Mail Extensions

planning sheets : 4.6.1. Sample Planning Sheets

PLIP (Parallel Line IP) : 5.2. Linux Kernel Configuration

plumb/unplumb parameters : 6.1.5.5. Point-to-point

plus sign (+) indicating a trusted host : 12.2.5. Secure the r Commands

point-to-point interfaces

6.1.5.5. Point-to-point
B.6. Interface Statements
defined : 6.1.1. Determining the Interface Name

Point-to-Point Protocol : (see PPP)

pointers : 3.3.2. Creating Domains and Subdomains

poison reverse feature : 7.4.1.1. Running RIP with routed

policy-based routing : 7.5.2. Border Gateway Protocol

database : 2.4. Internet Routing Architecture

polling

7.5.1. Exterior Gateway Protocol
11.9. Simple Network Management Protocol
trap-directed : 11.9. Simple Network Management Protocol

POP (Post Office Protocol)

3.4.2. Post Office Protocol
4.5.3. Planning Your Mail System
commands, listed : 3.4.2. Post Office Protocol
mail server : 9.7.1. POP Server

pop3d.tar : 9.7.1. POP Server

popper17.tar : 9.7.1. POP Server

port

1.2. A Data Communications Model

2.7.3. Sockets

numbers

1.6.2. Transmission Control Protocol
2.7. Protocols, Ports, and Sockets
2.7.2. Port Numbers
passing : 2.7.3. Sockets

randomly generated : 3.6. Bootstrap Protocol

portmapper : 2.7.2. Port Numbers

Positive Acknowledgment : 1.6.2. Transmission Control Protocol

with Re-transmission (PAR) : 1.6.2. Transmission Control Protocol

Post Office Protocol : (see POP)

post office servers : (see mailbox servers)

PostScript application subtype : 3.4.3. Multipurpose Internet Mail Extensions

pound 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

power outage, possible effects of

9.4. A BOOTP Server
9.5.1. dhcpd.conf

PPP (Point-to-Point Protocol)

5.2. Linux Kernel Configuration

5.3.1.2. Pseudo-device

6.2.1. The Serial Protocols

daemon (pppd) : 6.3.1. The PPP Daemon

command-line options : 6.3.1. The PPP Daemon
overriding address exchanges : 6.3.1. The PPP Daemon
security in : 6.3.4. PPP Daemon Security
tools reference : A.2. The PPP Daemon

as default : A.1.1. The dip Script File

installing

6.1.5.5. Point-to-point
6.3. Installing PPP

interoperability and : 6.2.2. Choosing a Serial Protocol

server configuration : 6.3.5. PPP Server Configuration

in Solaris : 6.3.6. Solaris PPP

tools reference : A. PPP Tools

ppp directory, protecting : A.2. The PPP Daemon

ppplogin : 6.3.5. PPP Server Configuration

.ppprc file : A.2. The PPP Daemon

precedence : 10.5.6. Defining Mail Precedence

Predictor-1 compression : A.2. The PPP Daemon

preference values

7.6.1. gated's Preference Value
B.6. Interface Statements
B.8.5. The bgp Statement
B.9. static Statements
B.10. Control Statements
high-cost : 7.7.1.2. Interior gateway configurations
negative : B.10.1. The import Statement

prefix-length : 2.2.2. Classless IP Addresses

Presentation Layer : 1.2. A Data Communications Model

Pretty Good Privacy (PGP) : 12.6.1. When is symmetric encryption useful?

primary nameservers

3.3.4. BIND, resolver, and named
4.4.1. Obtaining a Domain Name
8.1.1. BIND Configurations
C.2. named.boot Configuration Commands
configuring : 8.3.1.2. Primary and secondary server configurations

print servers : 3.7.2. Print Services

configuring

4.5.2. Print servers
9.2.1. The printcap File

print spool directory, making

9.1.5.1. NFS print services
9.2.1. The printcap File

printcap file : 9.2.1. The printcap File

printers

multiple : 9.2.1. The printcap File
queue display : 9.2.1.2. Using LPD
security : 9.2.1.1. LPD security

priority of messages, assigning

10.5.6. Defining Mail Precedence
B.8.4. The isis Statement

private argument : 6.1.5.3. Metric

procmail : E.3.5. MAILER

prog pattern : 13.3.1. archie

promiscuous mode

6.1.5.5. Point-to-point
11.7.1. Packet Filters
interface : 5.3.1.2. Pseudo-device

proto clauses

7.7.1.3. Exterior gateway configuration
A.1. Dial-Up IP
B.10.2. The export Statement

protocol

analyzers

5.3.1.2. Pseudo-device
11.7. Analyzing Protocol Problems
12.2.3. One-Time Passwords

client server : 11.9. Simple Network Management Protocol

manager/agent : 11.9. Simple Network Management Protocol

minor : 2.7.1. Protocol Numbers

name, alias for : 2.7.1. Protocol Numbers

number

1.5.1.4. Passing datagrams to the transport layer
2.7.1. Protocol Numbers

problems, troubleshooting : 11.7. Analyzing Protocol Problems

stack

1.2. A Data Communications Model
11.1. Approaching a Problem

standards

1.1.2. Protocol Standards
1.7. Application Layer

statements (in gated) : B.8. Protocol Statements

suite : 1.2. A Data Communications Model

tracing : B.1. The gated Command

Protocol Data Units (PDUs) : 11.9. Simple Network Management Protocol

protocols file

2.7.1. Protocol Numbers
5.4. The Internet Daemon
9.3. Network Information Service

proxy servers

4.2.1. Obtaining an IP Address
5.3.1.1. Options
12.7. Firewalls
providing on a firewall : 12.7.1. Functions of the firewall

proxyarp option : A.2. The PPP Daemon

ps command : 12.4.1. Know Your System

pseudo-device statement : 5.3.1.2. Pseudo-device

pseudo-domains : 10.7.1. Modifying Local Information

pseudo-terminals : 5.3.1.2. Pseudo-device

PTR resource records

8.3.5. The Reverse Domain File
C.3.1.6. Domain Name Pointer record

ptys : 5.3.1.2. Pseudo-device

public-key encryption : 12.6. Encryption

pulse code modulation (PCM) audio subtype : 3.4.3. Multipurpose Internet Mail Extensions

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