P

P command (sendmail), Defining Mail Precedence
packages, Using the Red Hat Package Manager, wrapper, tcpd access control filestcpd access control files
Apache, locating names of, Using the Red Hat Package Manager
wrapper, security, wrapper, tcpd access control filestcpd access control files
packet filtering, Firewalls, Packet Filters
snoop and, Packet Filters
Packet socket option (Linux kernel configuration), Linux Kernel Configuration
packet switching networks, The datagram
packets, TCP/IP Protocol Architecture, The datagram, The datagram, The datagram, Fragmenting datagrams, The Routing Table, How DHCP works, How DHCP works, The pseudo-device statement, Maximum transmission unit, Open Shortest Path First, Firewalls
(see also datagrams)
capturing, BSD Unix support, The pseudo-device statement
DHCPDISCOVER, How DHCP works
DHCPOFFER, How DHCP works
filtering, Firewalls
fragmentation, avoiding, Maximum transmission unit
gateways, The datagram
Hello (OSPF), Open Shortest Path First
MTU (maximum transmission unit), Fragmenting datagrams
routing, The datagram
routing tables, The Routing Table
packets option, The bgp Statement, The egp Statement
BGP, The bgp Statement
EGP tracing, The egp Statement
packets parameter (gated), The icmp Statement
PAP (Password Authentication Protocol), PPP Daemon Security
pap-max-authreq option (pppd), The PPP Daemon
pap-restart option (pppd), The PPP Daemon
pap-secrets file, PPP Daemon Security
pap-timeout option (pppd), The PPP Daemon
papcrypt option (pppd), The PPP Daemon
PAR (Positive Acknowledgment with Re-transmission), Transmission Control Protocol
parallel (MIME data subtype), Multipurpose Internet Mail Extensions
parameter statements (dhcpd), Configuration Parameters
parameters, The printcap file, dhcpd.conf, Defining iptables filter rules, The ospf Statement, The rip Statement, The isis Statement, The bgp Statement, The egp Statement, The smux Statement, The icmp Statement, The routerdiscovery Statement, The kernel Statement, static Statements, Aggregate Statements, definedefine
define m4 macro, definedefine
dhcpd.conf file, dhcpd.conf
gated, The ospf Statement, The rip Statement, The isis Statement, The bgp Statement, The egp Statement, The smux Statement, The icmp Statement, The routerdiscovery Statement, The kernel Statement, static Statements, Aggregate Statements
aggregate statement, Aggregate Statements
bgp statement, The bgp Statement
egp statement, The egp Statement
icmp statement, The icmp Statement
isis statement, The isis Statement
kernel statement, The kernel Statement
ospf statement, The ospf Statement
rip statement, The rip Statement
routerdiscovery statement, The routerdiscovery Statement
smux statement, The smux Statement
static statements, static Statements
iptables command, Defining iptables filter rules
printcap file, The printcap file
parity command (dip), The dip Script File
parse (gated), Trace Statements
partial (MIME data subtype), Multipurpose Internet Mail Extensions
PASS command (POP), Post Office Protocol
pass-filter option (pppd), The PPP Daemon
passive (gated), Interface Statements
passive keyword (routed command), Running RIP with routed
passive option (pppd command), PPP Server Configuration, The PPP Daemon
configuring PPP servers, PPP Server Configuration
passive parameter (gated), The bgp Statement
PASSLENGTH (passwd file value), The Shadow Password File
passwd command (Solaris), The Shadow Password File
passwd file, PPP Server Configuration, Configuring a Samba Server, The Shadow Password File, Looking for Trouble, Sample script
default values, The Shadow Password File
PPP servers, configuring, PPP Server Configuration
sample script, Sample script
security considerations, Looking for Trouble
Password Authentication Protocol (PAP), PPP Daemon Security
password command (dip), Dial-Up PPP, The dip Script File
password parameter (gated), The smux Statement
passwords, Open Shortest Path First, Configuring a Samba Server, Improved user authentication, User Authentication, The Shadow Password FileThe Shadow Password File, The Shadow Password File, Choosing a Password, One-Time Passwords, OPIEOPIE
aging, The Shadow Password File
authentication, OSPF, Open Shortest Path First
databases, user authentication (Apache), Improved user authentication
one-time, One-Time Passwords, OPIEOPIE
OPIE, OPIEOPIE
Samba, Configuring a Samba Server
selecting, Choosing a Password
user authentication, User Authentication, The Shadow Password FileThe Shadow Password File
shadow password files, The Shadow Password FileThe Shadow Password File
Path fields (sendmail), Defining Mailers
path section (Solaris PPP configuration), Solaris PPP
pattern matching, sendmail rewrite rules, Pattern Matching
PCM (pulse code modulation), Multipurpose Internet Mail Extensions
peer subclause (gated), The bgp Statement
peeras parameter (gated), The egp Statement
peers, A Data Communications Model, Network Services, Border Gateway Protocol, The bgp Statement
BGP, Border Gateway Protocol, The bgp Statement
network servers, Network Services
performance, Obtaining an IP Address, Maximum transmission unit, Performance Tuning DirectivesPerformance Tuning Directives
address translation, Obtaining an IP Address
Apache, directives, Performance Tuning DirectivesPerformance Tuning Directives
packet fragmentation, avoiding, Maximum transmission unit
perimeter networks (firewalls), Firewalls
permanent addresses, Dynamic Host Configuration Protocol, dhcpd.conf
assigning (dhcpd.conf file), dhcpd.conf
fixed (DHCP), Dynamic Host Configuration Protocol
persist option (pppd), The PPP Daemon
ph (sendmail K command value), The sendmail K Command
phquery mailer, MAILER
PID option (xinetd), Controlling Access with xinetd
pid-file option (named), The options Statement
PidFile directive (httpd.conf file), Defining Where Things Are Stored
ping command, Internet Control Message Protocol, The Minimal Routing Table, Diagnostic Tools, Testing Basic Connectivity, The ping Command
diagnostic troubleshooting, Diagnostic Tools
implementing, The ping Command
routing tables and, The Minimal Routing Table
troubleshooting with, Testing Basic Connectivity
pkgadd command, Solaris device drivers, Using Dynamically Loadable Modules
plain text (MIME data subtype), Multipurpose Internet Mail Extensions
plugin option (pppd), The PPP Daemon
plumb option (loopback interface configuration), The Interface Name
point-to-point connections, defining (ifconfig command), Point-to-point
Point-to-Point Protocol, The Serial Protocols (see PPP)
pointers, Creating Domains and Subdomains, Creating Domains and Subdomains
name server record, Creating Domains and Subdomains
pointopoint (gated), Interface Statements
poison reverse (routing), Running RIP with routed
policies, Border Gateway Protocol, Writing a Security Policy
routing, BGP and, Border Gateway Protocol
security, creating, Writing a Security Policy
policy (gated), Trace Statements
policy routing database (NFSnet), Internet Routing Architecture
polls (EGP), Exterior Gateway Protocol
POP (Post Office Protocol), Post Office ProtocolPost Office Protocol, Post Office Protocol, POP Server, MAILER
commands, Post Office Protocol
MAILER command, MAILER
servers, configuring, POP Server
port (named), The BIND 9 options statement
port command (dip), Dial-Up PPP, The dip Script File
Port directive (httpd.conf file), Basic Configuration Directives
port numbers, Transmission Control Protocol, Addressing, Routing, and Multiplexing, Protocols, Ports, and Sockets, Port Numbers, Port Numbers, Port Numbers
data delivery, Addressing, Routing, and Multiplexing
Unix, Port Numbers
port parameter (gated), The smux Statement
port= option (vfstab file), The vfstab and fstab files
portmapper, Port Numbers
ports, A Data Communications Model, DNS, Simple Mail Transfer Protocol, Post Office Protocol, Internet Message Access Protocol, How DHCP works, Running sendmail as a Daemon
DHCP, How DHCP works
DNS, DNS
IMAP, Internet Message Access Protocol
POP, Post Office Protocol
sendmail, Running sendmail as a Daemon
SMTP, Simple Mail Transfer Protocol
PortSentry (automated system monitoring), Automated Monitoring
Positive Acknowledgment with Re-transmission (PAR), Transmission Control Protocol
posix option (vfstab file), The vfstab and fstab files
PostScript (MIME data subtype), Multipurpose Internet Mail Extensions
PPP (Point-to-Point Protocol), The pseudo-device statement, The Serial Protocols, Installing PPP, The PPP Daemon, Dial-Up PPPDial-Up PPP, chat, PPP Daemon SecurityPPP Daemon Security, PPP Server ConfigurationPPP Server Configuration, Solaris PPP
BSD Unix support, The pseudo-device statement
chat scripts, chat
configuring Solaris, Solaris PPP
dialup connections, configuring, Dial-Up PPPDial-Up PPP
installing, Installing PPP
overview, The Serial Protocols
pppd command, The PPP Daemon
security, PPP Daemon SecurityPPP Daemon Security
servers, configuring, PPP Server ConfigurationPPP Server Configuration
ppp/options file, The PPP Daemon
ppp/options.device file, The PPP Daemon
pppd command, The PPP Daemon, The PPP Daemon, The PPP Daemon, chat, PPP Daemon SecurityPPP Daemon Security, PPP Daemon Security, PPP Server Configuration, The PPP Daemon, The PPP Daemon, Signal Processing
authentication protocols, PPP Daemon Security
dedicated connection configuration, The PPP Daemon
invoking dial-up scripts, chat
options, The PPP Daemon, The PPP Daemon
PPP servers, configuring, PPP Server Configuration
security, PPP Daemon SecurityPPP Daemon Security
signal processing, Signal Processing
syntax, The PPP Daemon
ppprc file (ppd), The PPP Daemon
PRDB (policy routing database), Internet Routing Architecture
precedence command (sendmail), Defining Mail Precedence
predictor1 option (pppd), The PPP Daemon
preference (gated), Interface Statements
preference parameter, The rip Statement, The isis Statement, The bgp Statement, The egp Statement, The routerdiscovery Statement, static Statements, Aggregate Statements
gated aggregate statement, Aggregate Statements
gated bgp statement, The bgp Statement
gated egp statement, The egp Statement
gated isis statement, The isis Statement
gated rip statement, The rip Statement
gated routerdiscovery statement, The routerdiscovery Statement
gated static statements, static Statements
prefix-length (IP addresses), Address Structure
Presentation Layer (OSI Model), A Data Communications Model
primary servers, BIND, Resolvers, and named
print command (dip), The dip Script File
print jobs, commands, Using LPD
print servers, Print Services, Print Servers
network services, print servers, Print Servers
printcap file, The printcap fileThe printcap file
printcap name parameter (smb.config file), Configuring a Samba Server
printconf-gui, The printcap file
Printer Driver field (printconf-gui), The printcap file
printer services, Sharing Unix Printers, Line Printer Daemon, The printcap fileThe printcap file, Using LPD, Line Printer Service
Line Printer, configuring, Line Printer Service
lpd, Line Printer Daemon, The printcap fileThe printcap file
printcap file, The printcap fileThe printcap file
lpr command, Using LPD
overview, Sharing Unix Printers
printers, sharing, Samba, Sharing printers through SambaSharing printers through Samba
printing parameter (smb.config file), Configuring a Samba Server
private key, Encryption
private networks, Connected and Non-Connected Networks
privgroup option (pppd), The PPP Daemon
pro domain, The Domain Hierarchy
process field (inittab file), Understanding /etc/inittab
process status command, httpd, locating, Installing Apache Software
processes, httpd, managing, Managing the Swarm
procmail mailer, MAILER
prog mailer, Defining Mailers
program (sendmail K command value), The sendmail K Command
promiscuous mode (Ethernet), enabling and disabling, Promiscuous mode
proposed standards (RFCs), Protocol Standards
proto parameter (gated), Aggregate Statements
proto= option (vfstab file), The vfstab and fstab files
protocol field (inet.conf file), The Internet Daemon
protocol numbers, Passing datagrams to the transport layer, Protocols, Ports, and Sockets, Protocol Numbers
datagram headers, Passing datagrams to the transport layer
protocols, TCP/IP Features, Protocol StandardsProtocol Standards, Protocol Standards, Protocol Standards, A Data Communications Model, A Data Communications Model, TCP/IP Protocol Architecture, Network Access Layer, Internet Layer, Internet Protocol, The datagram, Routing datagrams, Fragmenting datagrams, Passing datagrams to the transport layer, Internet Control Message Protocol, Transport Layer, User Datagram Protocol, Transmission Control Protocol, Application Layer, Interior Routing Protocols, Routing Information Protocol, Running RIP with routedRunning RIP with routed, RIP Version 2, Open Shortest Path First, Exterior Routing Protocols, Exterior Gateway Protocol, Border Gateway Protocol, Choosing a Routing Protocol, Gateway Routing Daemon, Analyzing Protocol Problems, Packet FiltersModifying analyzer output, Protocol Case Study, The gated Command
Application Layer, Application Layer
Internet Layer, Internet Layer, Internet Protocol, The datagram, Routing datagrams, Fragmenting datagrams, Passing datagrams to the transport layer, Internet Control Message Protocol
ICMP, Internet Control Message Protocol
IP, Internet Protocol, The datagram, Routing datagrams, Fragmenting datagrams, Passing datagrams to the transport layer
Network Access Layer, Network Access Layer
non-standards track, Protocol Standards
open standards development, Protocol Standards
peers, A Data Communications Model
routing, Interior Routing Protocols, Routing Information Protocol, Running RIP with routedRunning RIP with routed, RIP Version 2, Open Shortest Path First, Exterior Routing Protocols, Exterior Gateway Protocol, Border Gateway Protocol, Choosing a Routing Protocol, Gateway Routing Daemon
BGP, Border Gateway Protocol
EGP, Exterior Gateway Protocol
exterior, Exterior Routing Protocols
gated, Gateway Routing Daemon
interior, Interior Routing Protocols
OSPF, Open Shortest Path First
RIP, Routing Information Protocol
RIP-2, RIP Version 2
routed command, Running RIP with routedRunning RIP with routed
selecting, Choosing a Routing Protocol
stack, A Data Communications Model, TCP/IP Protocol Architecture
headers, TCP/IP Protocol Architecture
standards, TCP/IP Features, Protocol StandardsProtocol Standards
tracing, gated, The gated Command
Transport Layer, Transport Layer, User Datagram Protocol, Transmission Control Protocol
TCP, Transmission Control Protocol
UDP, User Datagram Protocol
troubleshooting, Analyzing Protocol Problems, Packet FiltersModifying analyzer output, Protocol Case Study
ftp failure, Protocol Case Study
overview, Analyzing Protocol Problems
snoop, Packet FiltersModifying analyzer output
protocols file (/etc/protocols), Protocol Numbers, Network Information Service
proxy servers, Connected and Non-Connected Networks, Obtaining an IP Address, Obtaining an IP Address, Obtaining an IP Address, Proxy Servers and Caching
caching options, Proxy Servers and Caching
compared to NAT boxes, Obtaining an IP Address
non-connected networks, Connected and Non-Connected Networks
scalability, Obtaining an IP Address
security, Obtaining an IP Address
proxyarp command (dip), The dip Script File
proxyarp option (pppd), The PPP Daemon
ProxyRequests option (proxy server caching), Proxy Servers and Caching
ProxyVia option (proxy server caching), Proxy Servers and Caching
ps command, Apache software, locating, Installing Apache Software
psend command (dip), The dip Script File
pseudo-device statement, BSD Unix kernel configuration, The pseudo-device statement
psn-interval parameter (gated), The isis Statement
PTR (Domain Name Pointer) records, The named.local File, The Reverse Zone File, Domain Name Pointer record
named.local file, The named.local File
reverse zone records, The Reverse Zone File
pty option (pppd), The PPP Daemon
public key encryption, Using Encryption, Secure Shell, Encryption, Public-Key Encryption ToolsPublic-Key Encryption Tools, stunnelstunnel
ssh, Secure Shell
stunnel, stunnelstunnel
tools, Public-Key Encryption ToolsPublic-Key Encryption Tools
public option, The share command, The vfstab and fstab files
share command, The share command
vfstab file, The vfstab and fstab files
pubring.gpg file, Public-Key Encryption Tools
pulse code modulation (PCM), Multipurpose Internet Mail Extensions