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Administering TCP/IP and Internet services
Introducing the Internet protocols
The TCP/IP protocol stack
Application layer
Telnet
FTP
DNS
Other application layer protocols
Transport layer
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)
Network layer
Internet Protocol version 4 (IPv4)
IPv4 address notation
Internet Protocol version 6 (IPv6)
Tunneling
Internet Control Message Protocol (ICMP)
Internet Group Management Protocol (IGMP)
Data link layer
Address Resolution Protocol (ARP)
Reverse Address Resolution Protocol (RARP)
Physical layer
Obtaining a domain name and an IP network number
Registering your network
Getting more information
Registering other Internet parameters
Obtaining RFCs from the Internet
For more about the Internet protocols
Administering your TCP/IP network
Stopping and restarting TCP/IP
Overview of TCP/IP startup and shutdown
Configuring TCP and UDP services
Configuring TCP/IP tunable parameters
Using ifconfig to change parameters for a network interface
Using inconfig to change global TCP/IP parameters
Basic TCP/IP configuration parameters
Host name
DHCP client
Domain name
IP address
Netmask
Broadcast address
Default router
Advanced TCP/IP configuration parameters
Act as router?
Pseudo ttys
Frame format
Administrator for this system
Location of this system
Configuring the Serial Line Internet Protocol (SLIP)
Configuring SLIP links
Configuring an outgoing link
Configuring an incoming link
Advanced SLIP configuration
Deleting all SLIP links
Administering SLIP
For more about SLIP
Setting up subnets
Understanding subnets
Network masks
Subnetting and Classless Interdomain Routing
Variable length subnetting
Migrating to a subnetted network
The Subnet Calculator Interface
Creating a top-level address entry
Creating subnet entries
Creating host entries
Adding and modifying comments
Removing host entries
Deleting a subnet entry
Deleting a top-level address entry
Saving a subnet calculation
Loading a subnet calculation
Printing reports
Setting up routing
How routing works
Understanding the routing table
Direct routing example
Indirect routing example
Routing table updates
Understanding autonomous systems -- exterior and interior routers
Routing daemons
Routing protocols
Planning a routing layout
Configuring routing
Configuring an IPv4 router
Configuring routed on a router
Configuring an external router
Configuring gated on a router
Examples of configuring gated on a router
Configuring a non-routing IPv4 host
Specifying a default route
Specifying static routes
Running a routing daemon on a non-routing host
Configuring routed on a non-routing host
Configuring gated on a non-routing host
Configuring IPv4 router discovery
Configuring router discovery using routed
Configuring router discovery using gated
Configuring an IPv6 router
Sample RIPng router configuration statements
Sample BGP4+ gateway router configuration statements
Configuring a non-routing IPv6 host
Multicast IPv4 routing
Configuring a multicast router
Troubleshooting IP routing
Tracing suspect problems in routed
Verifying correct routing behavior
Displaying routing statistics
Adjusting your netmask to correct routing problems
Configuring packet filters
PPP packet filters
For more about PPP packet filters
Designing filters
Fundamentals of protocol operation
Restricting services
Port considerations
Sample filters
The Packet Filter Manager Interface
Configuring a packet filter
Editing filter elements
Copying a packet filter
Renaming a packet filter
Deleting a packet filter
Configuring TCP Wrappers
Logging TCP Wrapper events
Testing TCP Wrapper configurations
Examples of configuring TCP Wrappers
For more about TCP Wrappers
Configuring name service, NIS, and NTP clients
The Client Manager interface
Configuring a DNS client
Configuring the /etc/hosts file
Configuring an NIS client
Configuring name service resolution order
Configuring an NTP client
Deleting a client service
Using network tools
Finding information about a user
Looking up a hostname or an IP address
Pinging other network hosts
Tracing the route taken by network packets
Looking up a name in the Internet user name directory service
Configuring Bootstrap Protocol (BOOTP) service
Setting up a BOOTP server
Setting up a BOOTP gateway
Viewing a client's network configuration
For more about BOOTP
Configuring an Address Allocation Server (AAS)
How the SCO Address Allocation Server works
Address database
AAS configuration database
The Address Allocation Manager interface
Configuring address pools
Administering the Address Allocation Server
Querying pool definitions and address allocation
Releasing, disabling, and re-enabling addresses
Configuring the address server
Resetting the state of the AAS database
Troubleshooting the Address Allocation Server
For more about AAS
Configuring a Dynamic Host Configuration Protocol (DHCP) server
When to use SCO DHCP
How the SCO DHCP server works
Manually assigning IP addresses
Dynamically assigning IP addresses
IP address assignment priority
The lease for an assigned IP address
DHCP options
User-defined and vendor-specific options
Making DHCP work with BOOTP
The DHCP Server Manager interface
Specifying user-defined and vendor-specific options
Configuring DHCP options
Configuring subnet option sets
Adding a subnet option set
Modifying a subnet option set
Deleting a subnet option set
Specifying vendor class option sets
Adding a vendor class option set
Modifying a vendor class option set
Deleting a vendor class option set
Specifying user class option sets
Adding a user class option set
Modifying a user class option set
Deleting a user class option set
Configuring DHCP client option sets
Adding a client option set
Modifying a client option set
Deleting a client option set
Specifying DHCP server parameters
Troubleshooting DHCP
Cannot boot client
DHCP cannot find AAS
Clients not being configured with all options
For more about DHCP
Configuring Domain Name System (DNS) servers
How DNS works
The Internet domain structure
DNS domain names and host names
DNS resolution
Iterative queries
Recursive queries
DNS name server types
Master name servers
Slave name servers
Stub servers
Caching-only name servers
Setting up new domains
Virtual domains
Name service clients
DNS utilities and daemons
Administering a DNS name server
The DNS Manager interface
Configuring a host as a name server
Zone resource records
Entering information about the name server host
Defining the zone administrator
Defining the mail exchangers for a zone
Entering information about the zone
Defining the host resource records for a zone
Optional host resource records
Defining aliases for a host
Defining the mail exchangers for a host
Entering a description of the host
Entering other information about the host
Defining the host administrator
Modifying the configuration of a zone
Examining hosts that are configured for a zone
Setting general preferences for name service
Selecting name servers to use as forwarders
Selecting name servers to be ignored
Selecting hosts and networks that can request zone transfers
Setting limits on the operation of the name server
Setting options on the behavior of the name server
Controlling and configuring the name server
Defining default resource records for a zone
BIND 9 Administrator's Guide
BIND 9.1.0 Notes
DNSSEC Release Notes
IPv6-related notes
BIND 8 to BIND 9 Migration Notes
named.conf options
Using the BIND 9 Simplified Database Interface
Troubleshooting DNS
Using nslookup, dig, and host
Using nslookup interactively
Querying a single name or address
Examples of using the dig command
Examples of using the host command
For more about DNS
Configuring File Transfer Protocol (FTP) servers
FTP server security
The FTP Server Manager interface
Configuring anonymous FTP
Configuring compression and archival commands
Controlling access to anonymous FTP
Removing anonymous FTP
Scheduling the shutdown of the FTP server
Configuring user classes
Setting class limits
Controlling access to directories
Denying access to hosts
Denying access to users
Configuring FTP virtual domains
Configuring guest groups
Viewing FTP logs
Configuring login and change directory messages
Configuring FTP home directories
Setting FTP server options
General options
Logging options
Permission options
Security options
For more about FTP
Configuring Network Time Protocol (NTP) service
Troubleshooting TCP/IP
Checking for software problems
Listing entries in the netdrivers file
Verifying the configuration of network interfaces
Verifying the presence of TCP/IP interfaces
Displaying activity on a network interface
Displaying per-protocol statistics
Verifying local network connectivity
Verifying remote network connectivity
Flushing phantom connections
Troubleshooting packet errors
Logging troubleshooting information
Troubleshooting PPP links
Connect to the remote side using cu
Check that the system is configured for dial-in connections
Examine PPP negotiation in the log file
Link initiation
Negotiate LCP parameters
Perform PAP or CHAP authentication
Secret not found in the authentication database
Local host fails to be authenticated by remote host using PAP
Local host fails to authenticate remote host using PAP
Local host fails to be authenticated by remote host using CHAP
Local host fails to authenticate remote host using CHAP
Negotiate IPCP and other parameters
Link termination
Check that the PPP interface exists
Try to ping the remote side
Check that routing is set up correctly
Interoperating with PPP in Microsoft Windows
Authentication
TCP/IP parameters
Interoperating with 3Com NetBuilder