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Index: S
- safe, storing security information in
: 12.2.6. Secure Shell
- SATAN tool
: 12.4.3.2. SATAN
- saturated networks
: (see network)
- scaling well
- 2.4. Internet Routing Architecture
- 3.3. Domain Name Service
- 4.2.1. Obtaining an IP Address
- 7.5.1. Exterior Gateway Protocol
- scp (secure copy)
: 12.2.6. Secure Shell
- script files
- 1.7. Application Layer
- 6.1.5.1. Enabling and disabling the interface
- (see also startup script)
- (see also UNIX, systems)
- debugging tips
: 6.4.4. Troubleshooting Serial Connections
- invoking dialup IP (dip)
: A.1. Dial-Up IP
- scriptfile
: A.3. chat
- scripting language
: 6.3.2. Dial-Up PPP
- search entry, in resolv.conf
: 8.2.1. The Resolver Configuration File
- secondary 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
- secrecy
- defined
: 12.1.1. Assessing the Threat
- keys for
: 6.3.4. PPP Daemon Security
- secure copy (scp)
: 12.2.6. Secure Shell
- SECURE points
: 12.4.3.1. COPS
- secure shell (ssh)
: 12.2.6. Secure Shell
- daemon (sshd)
: 12.2.6. Secure Shell
- SECURE_USERS variable
: 12.4.3.1. COPS
- security
- 1.7. Application Layer
- (see also intruders)
- (see also printers)
- attacks
- 1.7. Application Layer
- 4.2.1. Obtaining an IP Address
- importance of notifying others
- 12.4.2. Looking for Trouble
- 12.4.2.2. Checking login activity
- mechanisms included within applications
: 12.2.5. Secure the r Commands
- monitoring
: 12.4. Security Monitoring
- planning
: 12.1. Security Planning
- policy
: 12.1. Security Planning
- writing
: 12.1.3. Writing a Security Policy
- for printers
: 4.5.2. Print servers
- publications, list of
: 12.8. Words to the Wise
- risks
- 4.1. Connected and Non-Connected Networks
- 4.2.2. Defining the Subnet Mask
- 5.3.1.1. Options
- 5.3.1.2. Pseudo-device
- 5.4. The Internet Daemon
- 9.1.2.1. The share command
- 13.2.1. Creating an FTP Server
- sources of information
: 12.1.2.2. Use mailing lists to distribute information
- segments
: 1.3. TCP/IP Protocol Architecture
- format
: 1.6.2. Transmission Control Protocol
- header
: 1.6.2. Transmission Control Protocol
- semicolon (;)
- comment character
: C.3.1. Standard Resource Records
- ending gated configuration statements
- 7.7.1.1. A host configuration
- B.2. The gated Configuration Language
- sender addresses
: (see addresses)
- sendmail
- UNIX Versions
- 4.5.3. Planning Your Mail System
- 10. sendmail
- aliases in
: 10.3. sendmail Aliases
- classes, listed
: E.4.1. sendmail Classes
- command
: E.2. The sendmail Command
- arguments, listed
: E.2. The sendmail Command
- compiling
: E.1. Compiling sendmail
- configuring
: 10.5. sendmail Configuration
- internal macros, listed
: 10.5.2. The Define Macro Command
- mailer flags, listed
: E.4.3. sendmail Mailer Flags
- options
: E.4.2. sendmail Options
- running as a daemon
: 10.2. Running sendmail as a Daemon
- testing and debugging arguments
: 10.8. Testing sendmail.cf
- tools reference
: E. A sendmail Reference
- using key files in
: 10.8.2. Using Key Files in sendmail
- using most recent release
- 10.8.2. Using Key Files in sendmail
- E.1. Compiling sendmail
- Version 8
: Preface
- sendmail startup script
: 10.2. Running sendmail as a Daemon
- sendmail.cf file
: 10.4. The sendmail.cf File
- commands, listed
: 10.5. sendmail Configuration
- define class command (C and F)
: 10.5.3. The Define Class Command
- define macro command (D)
: 10.5.2. The Define Macro Command
- define mail headers command (H)
: 10.5.7. Defining Mail Headers
- define mail precedence command (P)
: 10.5.6. Defining Mail Precedence
- define mailers command (M)
: 10.5.8. Defining Mailers
- define trusted users command (T)
: 10.5.5. Defining Trusted Users
- examining comments in
: 10.4.2. General sendmail.cf Structure
- modifying
: 10.7. Modifying a sendmail.cf File
- local information
: 10.7.1. Modifying Local Information
- options
: 10.7.2. Modifying Options
- options and flags
: E.4. More sendmail.cf
- rewrite rules (R, S, and K commands)
: 10.6. Rewriting the Mail Address
- pattern matching
: 10.6.1. Pattern Matching
- transforming the address
: 10.6.2. Transforming the Address
- sample of, locating
: 10.4.1. Locating a Sample sendmail.cf File
- set option command (O)
: 10.5.4. The Set Option Command
- structure of
: 10.4.2. General sendmail.cf Structure
- testing
: 10.8. Testing sendmail.cf
- commands, listed
: 10.8.1. Testing Rewrite Rules
- rewrite rules
: 10.8.1. Testing Rewrite Rules
- version level command (V)
: 10.5.1. The Version Level Command
- sendmail.tar file
: 10.4.1. Locating a Sample sendmail.cf File
- Sequence Number field
: 1.6.2. Transmission Control Protocol
- serial
- communications packages
: 6.4.4. Troubleshooting Serial Connections
- devices, adding manually
: 6.4.4. Troubleshooting Serial Connections
- interfaces
: 6.2. TCP/IP Over a Serial Line
- lines
- load balancing
: 5.2. Linux Kernel Configuration
- multiple, using simultaneously
: 5.2. Linux Kernel Configuration
- protocols
- choosing
- 6.2.2. Choosing a Serial Protocol
- A.1.1. The dip Script File
- debugging
: 6.4.4. Troubleshooting Serial Connections
- Serial Line IP
: (see SLIP)
- Serial Line IP (SLIP)
- 1.7. Application Layer
- (see also PLIP (Parallel Line IP))
- server
- 1.7. Application Layer
- (see also remote, servers)
- cache, dumping
: 11.6.2. The data is here and the server can't find it!
- command
: 8.4. Using nslookup
- configuration statement
: B.8.10. The routerdiscovery Statement
- master
: 8.1.1. BIND Configurations
- multiple
: 9.1.4. NFS Automounter
- program, pathname of
: 5.4. The Internet Daemon
- service-list
: 12.5.1.1. tcpd access control files
- 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
- Session Layer
: 1.2. A Data Communications Model
- set debug command
: 8.4. Using nslookup
- set domain command
: 8.4. Using nslookup
- set ruleset (S) command
: 10.6.3. The Set Ruleset Command
- set type command
: 11.6.4. dig: An Alternative to nslookup
- setgid permission, avoiding
: 12.4.2.1. Checking files
- setuid
: 9.1.3.2. The vfstab and fstab files
- shadow file
: 12.2.1. The Shadow Password File
- shadow password file
: 12.2.1. The Shadow Password File
- share command
- 9.1.2.1. The share command
- 9.1.5. NFS Authentication Server
- sharing
- directories
: 9.1. The Network File System
- filesystems
: 9.1.2. Sharing Filesystems
- common reasons for
: 9.1.2. Sharing Filesystems
- sharp 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
- shell scripts
: 12.4.2.1. Checking files
- showmount command
- 4.5.1. File servers
- 9.1.3. Mounting Remote Filesystems
- SIGHUP signal
- 9.4. A BOOTP Server
- 11.6.3. Cache corruption
- A.2. The PPP Daemon
- A.2.1. Signal processing
- B.1.1. Signal Processing
- C.1.1. Signal Processing
- SIGINT signal
- 11.6.3. Cache corruption
- A.2.1. Signal processing
- B.1.1. Signal Processing
- C.1.1. Signal Processing
- signal processing
- in gated
: B.1.1. Signal Processing
- in named
: C.1.1. Signal Processing
- in pppd
: A.2.1. Signal processing
- SIGTERM signal
- B.1.1. Signal Processing
- D.2. The dhcpd Command
- silently discarding datagrams
: (see datagrams)
- SILO overflows
: 6.1.5.4. Maximum transmission unit
- Simple Gateway Management Protocol (SGMP)
: 11.9. Simple Network Management Protocol
- Simple Mail Transfer Protocol
: (see SMTP)
- Simple Network Management ProtocolNMP
: (see SNMP)
- single threaded mail deliver
: E.3.1. define
- Slackware 96
: 4.7. netconfig
- slattach command
: 6.4.1. slattach
- slave command
: C.2. named.boot Configuration Commands
- SLIP (Serial Line IP)
- 5.2. Linux Kernel Configuration
- 5.3.1.2. Pseudo-device
- 6.2.1. The Serial Protocols
- installing
: 6.4. Installing SLIP
- server configuration
: 6.4.3. SLIP Server Configuration
- SLIP END character
: 6.2.1. The Serial Protocols
- SLIP ESC character
: 6.2.1. The Serial Protocols
- slow convergence
: 7.4.1.1. Running RIP with routed
- SMI (Structure of Management Information)
: 11.9. Simple Network Management Protocol
- SMTP (Simple Mail Transfer Protocol)
- 1.7. Application Layer
- 3.4.1. Simple Mail Transfer Protocol
- commands, listed
: 3.4.1. Simple Mail Transfer 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
- sendmail and
: 10.1. sendmail's Function
- service extensions to
: 3.4.3. Multipurpose Internet Mail Extensions
- standardizing on
: 4.5.3. Planning Your Mail System
- SNMP (Simple Network Management Protocol)
: 11.9. Simple Network Management Protocol
- statement (in gated)
: B.8.7. The snmp Statement
- snoop
- 11.2. Diagnostic Tools
- 11.7. Analyzing Protocol Problems
- detailed analysis with
: 11.3. Testing Basic Connectivity
- SOA records
- 8.3.2. Standard Resource Records
- 8.3.4. The named.local File
- 8.3.5. The Reverse Domain File
- 8.3.6. The named.hosts File
- 11.6.1. Some systems work, others don't
- C.3.1.1. Start of Authority record
- socket
- 1.2. A Data Communications Model
- 2.7.3. Sockets
- pairs
: 2.7.3. Sockets
- types of
: 5.4. The Internet Daemon
- SOCKS
: 12.7.1. Functions of the firewall
- software
- keeping updated
: 12.3.2. Keep Software Updated
- outdated, security problems with
: 12.2. User Authentication
- removing unnecessary
: 12.3.1. Remove Unnecessary Software
- Solaris systems
- UNIX Versions
- 2.5. The Routing Table
- 2.7.1. Protocol Numbers
- 3.4.3. Multipurpose Internet Mail Extensions
- 3.5.1. Reverse Address Resolution Protocol
- 5.1. Kernel Configuration
- 10.2. Running sendmail as a Daemon
- ifconfig command on
- 6.1.2. Checking the Interface with ifconfig
- 6.1.5.3. Metric
- Line Printer (LP) print service in
: 9.2.2. Solaris Line Printer Service
- remounting filesystems on
: 9.1.3.2. The vfstab and fstab files
- sharing directories on
: 9.1.2.1. The share command
- obtaining information about
: 9.1.3. Mounting Remote Filesystems
- sortlist command, in resolv.conf
: 8.2.1. The Resolver Configuration File
- Source Code Control System (SCCS) format
: 10.4.1.1. Building a sendmail.cf with m4 macros
- Source Port number
- 1.6.1. User Datagram Protocol
- 1.6.2. Transmission Control Protocol
- Source Quench Message
: 1.5.2. Internet Control Message Protocol
- source routing
: 5.2. Linux Kernel Configuration
- sourcegateways
: B.8.2. The rip Statement
- SPF protocol
- 7.4. Interior Routing Protocols
- 7.4.3. Open Shortest Path First
- calculation
: 7.4.3. Open Shortest Path First
- split horizon rule
: 7.4.1.1. Running RIP with routed
- spoofing addresses
: (see addresses)
- ssh (secure shell)
: 12.2.6. Secure Shell
- command
: 12.2.6. Secure Shell
- daemon (sshd)
: 12.2.6. Secure Shell
- .ssh/identity.pub
: 12.2.6. Secure Shell
- .ssh/known_hosts file
: 12.2.6. Secure Shell
- ssh-keygen
: 12.2.6. Secure Shell
- stack
: (see protocol, stack)
- staff limitations
: 4.2.2. Defining the Subnet Mask
- standard resource records (RRs)
: 8.3.2. Standard Resource Records
- in named
: C.3.1. Standard Resource Records
- start of authority
: (see SOA records)
- startup script
- 7.3.1.1. Installing static routes at startup
- 8.3.6.1. Starting named
- static
- assignment of addresses
: 4.2.1.1. Assigning host addresses
- circumstances favoring
: 4.3. Planning Routing
- routing
- 4.3. Planning Routing
- 7.1. Common Routing Configurations
- 12.7.2. Routing control
- adding routes
: 7.3.1. Adding Static Routes
- building tale for
: 7.3. Building a Static Routing Table
- installing routes at startup
: 7.3.1.1. Installing static routes at startup
- statements (in gated)
: B.9. static Statements
- status monitor daemon
: 9.1.1. NFS Daemons
- store and forward protocols
: 3.4.1. Simple Mail Transfer Protocol
- stream
: 1.3. TCP/IP Protocol Architecture
- sockets
: 5.4. The Internet Daemon
- string values, in printcap parameters
: 9.2.1. The printcap File
- Structure of Management Information (SMI)
: 11.9. Simple Network Management Protocol
- stub areas
- 7.4.3. Open Shortest Path First
- B.8.1. The ospf Statement
- subdomains
- 3.3.2. Creating Domains and Subdomains
- 8.3.5. The Reverse Domain File
- subnets
- 2.3. Subnets
- 3.3.2. Creating Domains and Subdomains
- administration of
: 12.1.2.1. Use subnets to distribute control
- enterprise
: (see enterprise)
- for distributing control
: 12.1.2.1. Use subnets to distribute control
- mask (sm)
- 2.3. Subnets
- 4. Getting Started
- 6.1. The ifconfig Command
- assigning
- 6.1.3. Assigning a Subnet Mask
- A.1.1. The dip Script File
- defining
: 4.2.2. Defining the Subnet Mask
- misconfigured
: 11.4.1. Troubleshooting with the ifconfig Command
- parameter
: 9.4. A BOOTP Server
- movement among
: 3.6.1. Dynamic Host Configuration Protocol
- reasons for
: 4.2.2. Defining the Subnet Mask
- statements, in dhcpd
: 9.5.1. dhcpd.conf
- subscribing
: 13.5. Mailing Lists
- subtypes
: 3.4.3. Multipurpose Internet Mail Extensions
- Sun Microsystems
- UNIX Versions
- 3.3.5. Network Information Service
- 3.7.1. File Sharing
- 9.3. Network Information Service
- 10.6.1. Pattern Matching
- NIS+ on
: 9.3.2. NIS+
- supernetting
: 2.2.2. Classless IP Addresses
- superuser privileges
- 8.3.3. The Cache Initialization File
- 9.3. Network Information Service
- B.1. The gated Command
- switches
- 1.7. Application Layer
- (see also packet)
- asymmetric
: 11.4.4. Subdividing an Ethernet
- symmetric encryption
: 12.6. Encryption
- SYN (synchronize sequence numbers) bit
: 1.6.2. Transmission Control Protocol
- synchronization
: 1.6.2. Transmission Control Protocol
- synchronize sequence numbers (SYN) bit
: 1.6.2. Transmission Control Protocol
- synchronous modems
: (see modems)
- synchronous PPP, support for
: 5.3.1.2. Pseudo-device
- syslogd
- 3.2. The Host Table
- A.2. The PPP Daemon
- A.3. chat
- system
: (see network)
- system file
: 5.1. Kernel Configuration
- Systems file
: 9.2.2. Solaris Line Printer Service
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