Administering TCP/IP

Administering TCP/IP
        Configuring TCP/IP client services
                The Client Manager interface
                Configuring a DNS client
                Configuring the /etc/hosts file
                Configuring a default route
                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 domain name directory service
        Setting interface parameters
        Creating subnets
        Establishing user equivalence
                The User Equivalence Manager interface
                        Opening another user's equivalence file
                        Adding user equivalence
                        Selecting another host while adding equivalence
                        Deleting user equivalence
                Using the Secure TCP (``Kerberized'') utilities
                Protecting against IP address spoofing attacks
                Protecting against SYN flood attacks
        Setting up anonymous ftp
        Adding or removing pseudo-ttys
        Configuring UUCP over TCP/IP
                Configuring UUCP over TCP/IP with the TCP socket interface
                Configuring UUCP over TCP/IP with TLI
        Obtaining RFCs from the Internet
        Troubleshooting TCP/IP
                Verifying the presence of TCP/IP interfaces
                Verifying local network connectivity
                Verifying remote network connectivity
                Troubleshooting problems with netstat
                        Flushing phantom connections
                        Troubleshooting packet errors
                        Monitoring streams usage
                        Verifying correct routing behavior
                Logging troubleshooting information

Configuring Internet Protocol (IP) routing
        How routing works
                Direct versus indirect routing
                Routing table description
                        Direct routing example
                        Indirect routing example
                        Routing table updates
                Routing daemons
                        irdd description
                        routed description
                        gated description
                Default routes
                Autonomous systems -- exterior vs. interior routers
                Routing protocols
                        Internet Router Discovery (IRD) protocol
                        Routing Information Protocol (RIP)
                        Open Shortest Path First (OSPF) protocol
                        Exterior Gateway Protocol (EGP)
                        Border Gateway Protocol (BGP)
        The gated configuration file
                Statements of the gated configuration file
                gated preferences and route selection
                        gated route selection criteria
                        Assigning preferences in gated
                gated directive statements
                gated trace statements
                gated options statements
                gated interfaces statements
                gated definition statements
                gated RIP protocol statement
                gated OSPF protocol statement
                gated EGP protocol statement
                gated BGP protocol statement
                gated redirect protocol statement
                gated SNMP protocol statement
                gated static statements
                gated control statements
                        gated route filtering
                        Matching AS paths in gated
                        gated import control statements
                        gated export control statements
        Configuring a system for IP routing
                Configuring irdd
                Configuring routed
                Configuring gated
        Administering IP routing
        Troubleshooting IP routing

Configuring the Domain Name Service (DNS)
        How DNS works
                DNS domains and zones
                        DNS domain and hostnames
                        The Internet domain structure
                        Registering a domain name
                DNS servers and clients
                        Primary servers
                                Stub service
                        Secondary servers
                        Caching-only servers
                        Remote servers
                        Slave mode servers
                DNS resolution
                        DNS resolvers
                        DNS root servers
                        DNS forwarders
                        The /etc/resolv.conf file
                DNS utilities and daemons
        Basic DNS configuration
                Configuring a caching-only server
                Configuring a primary server
                Configuring a secondary server
                Configuring a remote server
        Advanced DNS configuration
        Administering and troubleshooting DNS
                Troubleshooting DNS
                Using nslookup
                        Using nslookup interactively
                                nslookup interactive commands
                                nslookup interactive options
                        Querying a single name or address
        For more about DNS

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
                        Option overload
                        Default option values
                User-defined options
                Making DHCP work with BOOTP
        The DHCP Server Manager interface
        Configuring user-defined options
                Adding or modifying user-defined options
                Deleting user-defined options
        Configuring DHCP options
        Configuring subnet option sets
                Adding or modifying a subnet option set
                Deleting a subnet option set
        Configuring vendor class option sets
                Adding or modifying a vendor class option set
                Deleting a vendor class option set
        Configuring user class option sets
                Adding or modifying a user class option set
                Deleting a user class option set
        Configuring DHCP client option sets
                Adding or modifying a client option set
                Deleting a client option set
        Specifying DHCP server parameters
        Specifying the location of the AAS server
        Troubleshooting DHCP
                Cannot boot client
                DHCP cannot find AAS
                Clients not being configured with all options
        For more about DHCP

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
                Adding or modifying an address pool
                Renaming an address pool
                Deleting an address pool
        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 the Point-to-Point Protocol (PPP)

Configuring the Serial Line Internet Protocol (SLIP)

Testing connectivity with other sites
        The Node Check Manager interface
        Adding a node to the ping list
        Deleting a node from the ping list
        Starting and stopping ping sessions
        Configuring the node down alert
        Specifying a ping failure action
        Changing the ping session interval
        Viewing the ping history log

Printing remotely over TCP/IP
        How RLP works
        The client/server model
        Installing and removing RLP
                Manually adding remote printers
        Deleting printcap entries
        Setting up a client
        Setting up a print server
        Using RLP
                4.3BSD clients
                SCO OpenServer clients
        For more about remote line printing

Configuring Network Time Protocol (NTP) service

Distributing files remotely over TCP/IP
        New rdist features
        Writing a distfile
        Using rdist
                Distributing software
                Notifying users of updates
                Message logging

Configuring IP Filtering (IPfilter)