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Index: C

C command (sendmail): 10.5.3. Defining Classes

C flag (Linux routing table): 2.4. The Routing Table

cable testers: 13.2. Diagnostic Tools

cables (Ethernet), length restrictions: 4.2.3. Defining the Subnet Mask

cache initialization file: 8.3.4. The Cache Initialization File

CacheDefaultExpire option (proxy server caching): 11.3.9. Proxy Servers and Caching

CacheGcInterval option (proxy server caching): 11.3.9. Proxy Servers and Caching

CacheLastModifiedFactor option (proxy server caching): 11.3.9. Proxy Servers and Caching

CacheMaxExpire option (proxy server caching): 11.3.9. Proxy Servers and Caching

CacheNegotiatedDocs option (proxy server caching): 11.3.9. Proxy Servers and Caching

CacheRoot option (proxy server caching): 11.3.9. Proxy Servers and Caching

caches

DNS: 3.3. DNS

dump files

cache & data section: 13.6.3.2. The Cache & Data section
hints section: 13.6.3.3. The Hints section
zone tables: 13.6.3.1. The zone table section

name servers, troubleshooting: 13.6.3. Cache Corruption

proxy servers, options: 11.3.9. Proxy Servers and Caching

routing tables: 2.4. The Routing Table

CacheSize option (proxy server caching): 11.3.9. Proxy Servers and Caching

caching-only servers: 3.3.4. BIND, Resolvers, and named

8.1.1. BIND Configurations
configuration: 8.3.1.1. A caching-only server configuration
configuration files: 8.3.5. The named.local File

Caldera Linux httpd.conf file, location: 11.2. Configuring the Apache Server

call option (pppd): A.2. The PPP Daemon

cannot connect error (SMTP): 3.4.1. Simple Mail Transfer Protocol

canonical names: 8.3.7. The Forward-Mapping Zone File

CANONIFY_DOMAIN macro (sendmail): E.3. m4 sendmail Macros

CANONIFY_DOMAIN_FILE macro (sendmail): E.3. m4 sendmail Macros

CAs (Certificate Authorities): 11.4.5. Using Encryption

cat command (gpg): 12.6.2. Public-Key Encryption Tools

category clause (named logging statement): C.2.6. The logging Statement

cdtrcts option (pppd): A.2. The PPP Daemon

CERT (Computer Emergency Response Team) web site: 12.1.2.2. Use the network to distribute information

certificates: 11.4.5. Using Encryption

CAs: 11.4.5. Using Encryption
validity of: 11.4.5. Using Encryption

cf/cf directory (sendmail sample configuration files): 10.4.1. Locating a Sample sendmail.cf File

CGI (Common Gateway Interface), security considerations: 11.4.1. The CGI and SSI Threat

changed field (RIPE database): 4.2.1.2. Obtaining an IN-ADDR.ARPA domain

CHAP (Challenge Handshake Authentication Protocol): 6.3.4. PPP Daemon Security

chap-interval option (pppd): A.2. The PPP Daemon

chap-max-challenge option (pppd): A.2. The PPP Daemon

chap-restart option (pppd): A.2. The PPP Daemon

chap-secrets file: 6.3.4. PPP Daemon Security

Charset field (sendmail): 10.5.8. Defining Mailers

chat: A.3. chat

escape sequences: A.3. chat
keywords: A.3. chat
options: A.3. chat
overview: A.3. chat
syntax: A.3. chat
termination code: A.3. chat

chat command: 6.3.3. chat

chat scripts, PPP: 6.3.3. chat

chatkey command (dip): A.1.1. The dip Script File

check keyword (dbmmanage command): 11.4.4.2. Improved user authentication

check-names option (named): C.2.5. The options Statement

checksums, TCP: 1.6.2. Transmission Control Protocol

chkconfig command (Apache): 11.1.1. Using the Red Hat Package Manager

CIDR (Classless Inter-Domain Routing): 2.2.4. CIDR Blocks and Route Aggregation

class (DSN error code): 10.6.2. Transforming the Address

class field (resource records): C.3.1. Standard Resource Records

classes

IP addresses: 2.2.3. The Natural Mask

sendmail: 10.5.3. Defining Classes

E.4.2. sendmail Classes
E: 10.7.1. Modifying Local Information
M: 10.7.1. Modifying Local Information
P: 10.7.1. Modifying Local Information
w: 10.7.1. Modifying Local Information

classful routing: 7.4.1.1. Running RIP with routed

Classless Inter-Domain Routing (CIDR): 2.2.4. CIDR Blocks and Route Aggregation

cleaning-interval option (named): C.2.5. The options Statement

ClearModuleList directive (httpd.conf file): 11.3.1. Loading Dynamic Shared Objects

client field (chap-secrets file): 6.3.4. PPP Daemon Security

clients, NFS: 9.1. The Network File System

CLOSE command (IMAP): 3.4.3. Internet Message Access Protocol

CNAME (Canonical Name) records: C.3.1.5. Canonical Name record

forward-mapping zone files: 8.3.7. The Forward-Mapping Zone File

Collis field (netstat command): 6.1.1. The Interface Name

com domain: 3.3.1. The Domain Hierarchy

commands

IMAP: 3.4.3. Internet Message Access Protocol

POP: 3.4.2. Post Office Protocol

SMTP: 3.4.1. Simple Mail Transfer Protocol

source code: 3.4.1. Simple Mail Transfer Protocol

comment parameter (smb.config file): 9.3.1.1. The smb.conf homes section

comments

automounter configuration file: 9.1.4. NFS Automounter
host table: 3.2. The Host Table
inittab file: 5.2.1.1. Understanding /etc/inittab

Common Gateway Interface (see CGI)

communications, OSI Model: 1.2. A Data Communications Model

compiler options, sendmail: E.1. Compiling sendmail

compiling

dhcpd: D.1. Compiling dhcpd
sendmail: E.1. Compiling sendmail

conditionals, sendmail macros: 10.5.2.1. Conditionals

config command (dip): A.1.1. The dip Script File

configuration

Apache

overview: 11.2. Configuring the Apache Server
Solaris: 11.2.1. Configuring Apache on Solaris

auto_master file: 9.1.4. NFS Automounter

automounter: 9.1.4. NFS Automounter

BIND: 8.1.1. BIND Configurations

caching-only servers: 8.3.1.1. A caching-only server configuration

DHCP

dhcpd file: 9.5.1. dhcpd.conf
overview: 9.5. DHCP

dip (dial-up IP): 6.3.2. Dial-Up PPP

DNS, resource records: 8.3.2. Standard Resource Records

email networks: 4.5.3. Planning Your Mail System

files, Unix startup: 5.2. Startup Files

gated: 7.7. Configuring gated

exterior gateways: 7.7.1.3. Exterior gateway configuration
host: 7.7.1.1. A host configuration
interior gateways: 7.7.1.2. Interior gateway configurations
samples: 7.7.1. Sample gated.conf Configurations
testing: 7.7.2. Testing the Configuration

httpd.conf file

directives: 11.3.2. Basic Configuration Directives
dynamically loadable modules: 11.3.1. Loading Dynamic Shared Objects
overview: 11.3. Understanding an httpd.conf File

ifconfig startup files: 6.1.6.7. Putting ifconfig in the startup scripts

IMAP servers: 9.7.2. IMAP Server

information, distributing: 4.6. Informing the Users

interfaces, Linux file locations: 6.1.3. Assigning an Address

kernel

dynamically loadable modules: 5.1.1. Using Dynamically Loadable Modules
overview: 5.1. Kernel Configuration

Line Printer: 9.2.2. Line Printer Service

Linux kernel: 5.1.3. Linux Kernel Configuration

Ethernet: 5.1.3. Linux Kernel Configuration
help: 5.1.3. Linux Kernel Configuration
options: 5.1.3. Linux Kernel Configuration

loopback interface, Solaris: 6.1.1. The Interface Name

macro configuration file: E.3.5. MAILER

master name servers: 8.3.1.2. Master and slave server configurations

named command: 8.3. Configuring named

NFS, exports file: 9.1.2.2. The /etc/exports file

options: 5.1.3. Linux Kernel Configuration

POP servers: 9.7.1. POP Server

PPP

chat scripts: 6.3.3. chat
dial-up connections: 6.3.2. Dial-Up PPP
servers: 6.3.5. PPP Server Configuration
Solaris: 6.3.6. Solaris PPP

pppd command, dedicated connections: 6.3.1. The PPP Daemon

printcap file: 9.2.1.1. The printcap file

resolvers: 8.2. Configuring the Resolver

sample: 8.2.1.1. A resolver-only configuration

routing: 7.1. Common Routing Configurations

Samba name server: 9.3.2. NetBIOS Name Service

Samba servers: 9.3.1. Configuring a Samba Server

sendmail

define class command: 10.5.3. Defining Classes
define macro command: 10.5.2. The Define Macro Command
headers command: 10.5.7. Defining Mail Headers
m4 macros: E.3. m4 sendmail Macros
mailers command: 10.5.8. Defining Mailers
overview: 10.5. sendmail.cf Configuration Language
precedence command: 10.5.6. Defining Mail Precedence
set option command: 10.5.4. Setting Options
set ruleset command: 10.6.3. The Set Ruleset Command
testing: E.2. The sendmail Command
trusted users command: 10.5.5. Defining Trusted Users
version level command: 10.5.1. The Version Level Command

sendmail.cf file: E.4. More sendmail.cf

creating with m4 macros: 10.4.1.1. Building a sendmail.cf with m4 macros
local information: 10.7.1. Modifying Local Information
modifying: 10.7. Modifying a sendmail.cf File
Options section: 10.7.2. Modifying Options
overview: 10.4. The sendmail.cf File
samples: 10.4.1. Locating a Sample sendmail.cf File
structure: 10.4.2. General sendmail.cf Structure
testing: 10.8. Testing sendmail.cf
testing rewrite rules: 10.8.1. Testing Rewrite Rules

slave servers: 8.3.1.2. Master and slave server configurations

startup files, static routing and: 7.3.1.1. Installing static routes at startup

system, planning: 4. Getting Started

configuration commands (named.conf file): 8.3.1. The named.conf File

configuration files

BSD Unix: 5.1.4. The BSD Kernel Configuration File

devices statement: 5.1.5.3. The device statement
options statement: 5.1.5.1. The options statement
pseudo-device statement: 5.1.5.2. The pseudo-device statement

Solaris: 5.1.1. Using Dynamically Loadable Modules

syslog.conf: 3.2. The Host Table

configuration servers

DHCP: 3.6.2. Dynamic Host Configuration Protocol
overview: 3.6. Configuration Servers
RARP: 3.6.1. Reverse Address Resolution Protocol

connect-delay option (pppd): A.2. The PPP Daemon

connect option (pppd): A.2. The PPP Daemon

connect option (pppd command): 6.3.3. chat

connected networks: 4.1. Connected and Non-Connected Networks

connection-orientation, TCP: 1.6.2. Transmission Control Protocol

connections

point-to-point, defining with ifconfig command: 6.1.6.6. Point-to-point

troubleshooting with ping command: 13.3. Testing Basic Connectivity

13.3.1. The ping Command

Content-Transfer-Encoding header (MIME): 3.4.4. Multipurpose Internet Mail Extensions

Content-Type header (MIME): 3.4.4. Multipurpose Internet Mail Extensions

control script (system initialization): 5.2.1.1. Understanding /etc/inittab

control statements (gated): B.10. Control Statements

controls statement (named command): C.2.8. The controls Statement

coop domain: 3.3.1. The Domain Hierarchy

core gateways: 2.3. Internet Routing Architecture

coresize option (named): C.2.5. The options Statement

cost

address translation: 4.2.1. Obtaining an IP Address
Internet connection considerations: 4.1. Connected and Non-Connected Networks
routing: 7.4.1. Routing Information Protocol
routing metric: 6.1.6.4. Metric

counting to infinity problem (routing): 7.4.1.1. Running RIP with routed

avoiding: 7.4.1.1. Running RIP with routed

cron command, security considerations: 12.4.2. Looking for Trouble

crtscts option (pppd): A.2. The PPP Daemon

crtscts option (pppd command): 6.3.1. The PPP Daemon

configuring PPP servers: 6.3.5. PPP Server Configuration

Cybercop (automated system monitoring): 12.4.3. Automated Monitoring

cyrus mailer: E.3.5. MAILER

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