TCP/IP Network Administration. 3rd Edition

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• TCP/IP Network Administration, 3rd Edition
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  • Preface
    • Audience
    • Organization
    • Unix Versions
    • Conventions
    • Wed Like to Hear from You
    • Acknowledgments
  • 1. Overview of TCP/IP
    • TCP/IP and the Internet
      • TCP/IP Features
      • Protocol Standards
    • 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
    • Summary
  • 2. Delivering the Data
    • Addressing, Routing, and Multiplexing
    • The IP Address
      • Address Structure
      • Subnets
      • The Natural Mask
      • CIDR Blocks and Route Aggregation
      • IPv6
    • Internet Routing Architecture
    • The Routing Table
    • Address Resolution
    • Protocols, Ports, and Sockets
      • Protocol Numbers
      • Port Numbers
      • Sockets
    • Summary
  • 3. Network Services
    • Names and Addresses
    • The Host Table
    • DNS
      • The Domain Hierarchy
      • Creating Domains and Subdomains
      • Domain Names
      • BIND, Resolvers, and named
      • Network Information Service
    • Mail Services
      • Simple Mail Transfer Protocol
      • Post Office Protocol
      • Internet Message Access Protocol
      • Multipurpose Internet Mail Extensions
    • File and Print Servers
      • File Sharing
      • Print Services
    • Configuration Servers
      • Reverse Address Resolution Protocol
      • Dynamic Host Configuration Protocol
        • How DHCP works
    • Summary
  • 4. Getting Started
    • Connected and Non-Connected Networks
    • Basic Information
      • Obtaining an IP Address
        • Obtaining an official network address
        • Obtaining an IN-ADDR.ARPA domain
      • Assigning Host Addresses
      • Defining the Subnet Mask
    • Planning Routing
      • Obtaining an autonomous system number
      • Registering in a Routing Database
    • Planning Naming Service
      • Obtaining a Domain Name
      • Registering a Domain
      • Choosing a Hostname
    • Other Services
      • File Servers
      • Print Servers
      • Planning Your Mail System
    • Informing the Users
    • Summary
  • 5. Basic Configuration
    • Kernel Configuration
      • Using Dynamically Loadable Modules
      • Recompiling the Kernel
      • Linux Kernel Configuration
      • The BSD Kernel Configuration File
      • TCP/IP in the BSD Kernel
        • The options statement
        • The pseudo-device statement
        • The device statement
    • Startup Files
      • Startup Runlevels
        • Understanding /etc/inittab
    • The Internet Daemon
    • The Extended Internet Daemon
    • Summary
  • 6. Configuring the Interface
    • The ifconfig Command
      • The Interface Name
      • Checking the Interface with ifconfig
      • Assigning an Address
      • Assigning a Subnet Mask
      • Setting the Broadcast Address
      • The Other Command Options
        • Enabling and disabling the interface
        • ARP
        • Promiscuous mode
        • Metric
        • Maximum transmission unit
        • Point-to-point
        • Putting ifconfig in the startup scripts
    • TCP/IP Over a Serial Line
      • The Serial Protocols
    • Installing PPP
      • The PPP Daemon
      • Dial-Up PPP
      • chat
      • PPP Daemon Security
      • PPP Server Configuration
      • Solaris PPP
      • Troubleshooting Serial Connections
    • Summary
  • 7. Configuring Routing
    • Common Routing Configurations
    • The Minimal Routing Table
    • Building a Static Routing Table
      • Adding Static Routes
        • Installing static routes at startup
    • Interior Routing Protocols
      • Routing Information Protocol
        • Running 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
      • gateds Preference Value
    • Configuring gated
      • Sample gated.conf Configurations
        • A host configuration
        • Interior gateway configurations
        • Exterior gateway configuration
      • Testing the Configuration
        • Running gated at startup
    • Summary
  • 8. Configuring DNS
    • BIND: Unix Name Service
      • BIND Configurations
    • Configuring the Resolver
      • The Resolver Configuration File
        • A resolver-only configuration
    • Configuring named
      • The named.conf File
        • A caching-only server configuration
        • Master and slave server configurations
      • Standard Resource Records
      • Zone File Directives
        • The $TTL directive
        • The $ORIGIN directive
        • The $INCLUDE directive
        • The $GENERATE directive
      • The Cache Initialization File
      • The named.local File
      • The Reverse Zone File
      • The Forward-Mapping Zone File
      • Controlling the named Process
    • Using nslookup
    • Summary
  • 9. Local Network Services
    • The Network File System
      • NFS Daemons
      • Sharing Unix Filesystems
        • The share command
        • The /etc/exports file
        • The exportfs command
      • Mounting Remote Filesystems
        • The mount command
        • The vfstab and fstab files
      • NFS Automounter
    • Sharing Unix Printers
      • Line Printer Daemon
        • The printcap file
        • Using LPD
      • Line Printer Service
    • Using Samba to Share Resources with Windows
      • Configuring a Samba Server
        • The smb.conf homes section
        • Sharing directories through Samba
        • Sharing printers through Samba
      • NetBIOS Name Service
    • Network Information Service
      • The nsswitch.conf file
      • NIS+
    • DHCP
      • dhcpd.conf
    • Managing Distributed Servers
      • rcp
      • rdist
    • Post Office Servers
      • POP Server
      • IMAP Server
    • Summary
  • 10. sendmail
    • sendmails Function
    • Running sendmail as a Daemon
    • sendmail Aliases
      • Personal Mail Forwarding
    • The sendmail.cf File
      • Locating a Sample sendmail.cf File
        • Building a sendmail.cf with m4 macros
      • General sendmail.cf Structure
    • sendmail.cf Configuration Language
      • The Version Level Command
      • The Define Macro Command
        • Conditionals
      • Defining Classes
      • Setting Options
      • Defining Trusted Users
      • Defining Mail Precedence
      • Defining Mail Headers
      • Defining Mailers
        • Some common mailer definitions
    • Rewriting the Mail Address
      • Pattern Matching
      • Transforming the Address
        • Transforming with a database
      • The Set Ruleset Command
    • Modifying a sendmail.cf File
      • Modifying Local Information
      • Modifying Options
    • Testing sendmail.cf
      • Testing Rewrite Rules
      • Using Key Files in sendmail
    • Summary
  • 11. Configuring Apache
    • Installing Apache Software
      • Using the Red Hat Package Manager
      • Downloading Apache
    • Configuring the Apache Server
      • Configuring Apache on Solaris
    • Understanding an httpd.conf File
      • Loading Dynamic Shared Objects
      • Basic Configuration Directives
      • Managing the Swarm
      • Defining Where Things Are Stored
      • Creating a Fancy Index
      • Defining File Types
      • Performance Tuning Directives
      • Logging Configuration Directives
        • Defining the log file format
        • Using conditional logging
      • Proxy Servers and Caching
      • Multi-Homed Server Options
      • Defining Virtual Hosts
    • Web Server Security
      • The CGI and SSI Threat
      • Controlling Server Options
      • Directory-Level Configuration Controls
      • Defining Access Controls
        • Requiring user authentication
        • Improved user authentication
        • Setting file-level access controls
        • Setting document-level access controls
      • Using Encryption
    • Managing Your Web Server
      • Monitoring Your Server
    • Summary
  • 12. Network Security
    • Security Planning
      • Assessing the Threat
      • Distributed Control
        • Use subnets to distribute control
        • Use the network to distribute information
      • Writing a Security Policy
    • User Authentication
      • The Shadow Password File
      • Choosing a Password
      • One-Time Passwords
      • OPIE
      • Secure the r Commands
      • Secure Shell
    • Application Security
      • Remove Unnecessary Software
      • Keep Software Updated
    • Security Monitoring
      • Know Your System
      • Looking for Trouble
        • Checking files
        • Checking login activity
      • Automated Monitoring
    • Access Control
      • wrapper
        • tcpd access control files
        • Defining an optional shell command
        • Optional access control language extensions
      • Controlling Access with xinetd
    • Encryption
      • When Is Symmetric Encryption Useful?
      • Public-Key Encryption Tools
        • stunnel
    • Firewalls
      • Functions of the Firewall
      • Filtering Traffic with iptables
        • Defining iptables filter rules
        • Sample iptables commands
    • Words to the Wise
    • Summary
  • 13. Troubleshooting TCP/IP
    • Approaching a Problem
      • Troubleshooting Hints
    • Diagnostic Tools
    • Testing Basic Connectivity
      • The ping Command
    • Troubleshooting Network Access
      • Troubleshooting with the ifconfig Command
      • Troubleshooting with the arp Command
        • ARP problem case study
      • Checking the Interface with netstat
      • Subdividing an Ethernet
      • Network Hardware Problems
    • Checking Routing
      • Tracing Routes
      • Locating an Administrator
    • Checking Name Service
      • Some Systems Work, Others Dont
      • The Data Is Here and the Server Cant Find It!
      • Cache Corruption
        • The zone table section
        • The Cache & Data section
        • The Hints section
      • dig: An Alternative to nslookup
    • Analyzing Protocol Problems
      • Packet Filters
        • Modifying analyzer output
    • Protocol Case Study
    • Summary
  • A. PPP Tools
    • Dial-Up IP
      • The dip Script File
        • A sample dip script
    • The PPP Daemon
      • Signal Processing
    • chat
  • B. A gated Reference
    • The gated Command
      • Signal Processing
    • The gated Configuration Language
    • Directive Statements
    • Trace Statements
    • Options Statements
    • Interface Statements
    • Definition Statements
    • Protocol Statements
      • The ospf Statement
      • The rip Statement
      • The isis Statement
      • The bgp Statement
      • The egp Statement
      • The smux Statement
      • The redirect Statement
      • The icmp Statement
      • The routerdiscovery Statement
        • The routerdiscovery client statement
      • The kernel Statement
    • static Statements
    • Control Statements
      • The import Statement
      • The export Statement
    • Aggregate Statements
  • C. A named Reference
    • The named Command
      • Signal Processing
    • named.conf Configuration Commands
      • The key Statement
      • The acl Statement
      • The trusted-keys Statement
      • The server Statement
        • The BIND 9 server statement
      • The options Statement
        • The BIND 9 options statement
      • The logging Statement
        • The BIND 9 logging statement
      • The zone Statement
        • The BIND 9 zone statement
      • The controls Statement
        • The BIND 9 controls statement
      • BIND 9 view Statement
    • Zone File Records
      • Standard Resource Records
        • Start of Authority record
        • Name Server record
        • Address record
        • Mail Exchanger record
        • Canonical Name record
        • Domain Name Pointer record
        • Responsible Person record
        • Text record
        • Host Information record
        • Well-Known Services record
        • Server Selection record
  • D. A dhcpd Reference
    • Compiling dhcpd
    • The dhcpd Command
    • The dhcpd.conf Configuration File
      • Topology Statements
      • Configuration Parameters
      • DHCP Options
        • Commonly used options
        • Other options
  • E. A sendmail Reference
    • Compiling sendmail
    • The sendmail Command
    • m4 sendmail Macros
      • define
      • FEATURE
      • OSTYPE
      • DOMAIN
      • MAILER
    • More sendmail.cf
      • sendmail Macros
      • sendmail Classes
      • sendmail Options
      • sendmail Mailer Flags
      • The sendmail K Command
        • Sample script
  • F. Solaris httpd.conf File
  • G. RFC Excerpts
    • IP Datagram Header
    • TCP Segment Header
    • ICMP Parameter Problem Message Header
    • Retrieving RFCs
      • Retrieving RFCs by Mail
  • Index
  • About the Author
  • Colophon
  • SPECIAL OFFER: Upgrade this ebook with OReilly

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