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Index: E

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

encoding

data : 3.4.3. Multipurpose Internet Mail Extensions

text

3.4.3. Multipurpose Internet Mail Extensions
12.6. Encryption

encryption

4.2.1. Obtaining an IP Address
6.3.4. PPP Daemon Security
12.6. Encryption
multipart subtype : 3.4.3. Multipurpose Internet Mail Extensions
uses for : 12.6. Encryption

end systems : (see hosts)

end-to-end

data encryption : 12.6. Encryption

routes

2.5. The Routing Table
3.4.1. Simple Mail Transfer Protocol
7.4.3. Open Shortest Path First
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

ESMTP (Extended SMTP)

3.4.3. Multipurpose Internet Mail Extensions
10.8. Testing sendmail.cf
private extensions to : 3.4.3. Multipurpose Internet Mail Extensions

ESTABLISHED state : B.8.5. The bgp Statement

/etc directory

/etc/aliases file

3.4.1. Simple Mail Transfer Protocol
9.3. Network Information Service

/etc/aspppd.cf file : 6.3.6. Solaris PPP

/etc/auto_direct file : 9.1.4. NFS Automounter

/etc/auto_home file : 9.1.4. NFS Automounter

/etc/auto_master file : 9.1.4. NFS Automounter

/etc/bootptab file

9.4. A BOOTP Server
9.6.1. rdist
configuration parameters : 9.4.2. BOOTP extensions
updating : 9.4.2. BOOTP extensions

/etc/default/passwd file : 12.2.1. The Shadow Password File

/etc/defaultdomain file : 9.3. Network Information Service

/etc/dfs/dfstab file

9.1.2.1. The share command
9.1.5.1. NFS print services

/etc/dhcpd.conf file : 9.5.1. dhcpd.conf

/etc/diphosts file : 6.4.3. SLIP Server Configuration

/etc/ethers file

3.5.1. Reverse Address Resolution Protocol
9.3. Network Information Service
11.4.2.1. ARP problem case study

/etc/exports file : 9.1.5.1. NFS print services

/etc/fstab file : 9.1.3.2. The vfstab and fstab files

/etc/gated.conf file : 7.6. Gateway Routing Daemon

creating : 7.7.2.1. Running gated at startup

/etc/gateways file : 7.3.1.1. Installing static routes at startup

reading at startup : 7.4.1.1. Running RIP with routed

/etc/group file

9.3. Network Information Service
13.2.1. Creating an FTP Server

/etc/hosts file

3.2. The Host Table
6.1. The ifconfig Command
7.3. Building a Static Routing Table
9.1.4. NFS Automounter
9.3. Network Information Service
creating : 3.2. The Host Table
as maps : 3.3.5. Network Information Service
modifying : 3.3.4. BIND, resolver, and named

/etc/hosts.allow file : 12.5.1.1. tcpd access control files

/etc/hosts.deny file : 12.5.1.1. tcpd access control files

/etc/hosts.equiv file : 12.2.5. Secure the r Commands

in security checks : 12.4.2. Looking for Trouble

/etc/hosts.lpd file : 9.2.1.1. LPD security

in security checks : 12.4.2. Looking for Trouble

/etc/inetd.conf file : 9.4. A BOOTP Server

editing in tcpd : 12.5.1. wrapper
removing daemons from : 12.3.1. Remove Unnecessary Software
in security checks : 12.4.2. Looking for Trouble

/etc/init.d directory : 9.1.1. NFS Daemons

autofs script : 9.1.4. NFS Automounter
inetinit script : 7.3.1.1. Installing static routes at startup
sendmail script : 10.2. Running sendmail as a Daemon

/etc/lp directory : 9.2.2. Solaris Line Printer Service

/etc/lp/Systems file : 9.2.2. Solaris Line Printer Service

/etc/named.boot file

11.6.3. Cache corruption
C.1. The named Command

/etc/named.ca file : 11.6.3. Cache corruption

/etc/named.pid file : 11.6.3. Cache corruption

/etc/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

/etc/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
13.2.1. Creating an FTP Server
protecting : 12.2. User Authentication
in security checks : 12.4.2. Looking for Trouble

/etc/pcnfsd.conf file : 9.1.5.1. NFS print services

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

/etc/ppp/options file

6.3.1. The PPP Daemon
6.3.2. Dial-Up PPP
A.2. The PPP Daemon

/etc/ppp/options.device file : A.2. The PPP Daemon

/etc/printcap file : 9.2.1. The printcap File

/etc/protocols file

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

/etc/rc.d/rc.inet1 script : 7.3.1.1. Installing static routes at startup

/etc/rc.d/rc.M startup script : 10.2. Running sendmail as a Daemon

/etc/resolv.conf file

8.1.1. BIND Configurations
8.2. Configuring the Resolver
11.6.4. dig: An Alternative to nslookup

/etc/services file

5.4. The Internet Daemon
9.3. Network Information Service
9.4. A BOOTP Server
9.7.1. POP Server
9.7.2. IMAP Server

/etc/shadow file : 12.2.1. The Shadow Password File

/etc/ssh_known_hosts file : 12.2.6. Secure Shell

/etc/system file : 5.1. Kernel Configuration

/etc/yp.conf file : 9.3. Network Information Service

Ethernet

1.5.1.3. Fragmenting datagrams

4.2.2. Defining the Subnet Mask

addresses : 1.4. Network Access Layer

identifying DHCP client by : 9.5.1. dhcpd.conf
keeping records of : 11.4.2. Troubleshooting with the arp Command

cards, configuring

5.2. Linux Kernel Configuration
6.1.1. Determining the Interface Name

fast ports (100 Mbps) : 11.4.4. Subdividing an Ethernet

FreeBSD device drivers, listed : 5.3.1.3. Devices

interfaces

5.3.1.3. Devices
6.1. The ifconfig Command
6.1.5.2. ARP and trailers
6.1.5.6. Putting ifconfig in the startup files

LAN : 5.2. Linux Kernel Configuration

networks : 1.4. Network Access Layer

subdividing : 11.4.4. Subdividing an Ethernet

support in BSD : 5.3.1.2. Pseudo-device

switch : 11.4.4. Subdividing an Ethernet

ethers file

3.5.1. Reverse Address Resolution Protocol
9.3. Network Information Service
11.4.2.1. ARP problem case study

executable files, in security checks : 12.4.2. Looking for Trouble

expect nothing ('')

6.3.3. chat
A.3. chat

expect scripting language : A.1.1.1. A sample dip script

expire fields : 12.2.1. The Shadow Password File

EXPN command

in ESMTP : 3.4.3. Multipurpose Internet Mail Extensions
in SMTP : 3.4.1. Simple Mail Transfer Protocol

export statement (in gated) : B.10.2. The export Statement

exports file : 9.1.5.1. NFS print services

Extended SMTP (ESMTP)

3.4.3. Multipurpose Internet Mail Extensions
10.8. Testing sendmail.cf
private extensions to : 3.4.3. Multipurpose Internet Mail Extensions

extensibility

in monitors : 11.9. Simple Network Management Protocol
of SMTP : 3.4.3. Multipurpose Internet Mail Extensions

Exterior Gateway Protocol : (see EGP)

exterior routing protocols : 7.5. Exterior Routing Protocols

External-body message subtype : 3.4.3. Multipurpose Internet Mail Extensions

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