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Administering network services



Networking facilities
        SAF and the listen port monitor
        The connection server
        Identification and Authentication Facility
        Network selection
        Name-to-address mapping
        User-level services
        Procedural overview of BNU and REXEC administration
                Step 1: set up network selection
                Step 2: set up name-to-address mapping
                Step 3: set up the listen port monitor
                Step 4: set up the connection server
                Step 5: set up the cr1 authentication scheme
                Step 6: set up ID mapping
                Step 7: set up BNU
                Step 8: set up REXEC

The Service Access Facility
        What the Service Access Facility does
                The Service Access Controller
                Activities of the SAC daemon
                        Configuration scripts for individual systems
                        Configuration scripts for individual port monitors
                        Configuration scripts for individual services
                The SAC administrative file
                The port monitor administrative file

Administering port monitors
        The SAC administrative command: sacadm
        Displaying information about port monitor status
                All port monitors on a system
                A particular port monitor
                All port monitors of the same type
        Adding a port monitor
        Removing a port monitor
        Making other changes to port monitors
                Starting a port monitor
                Enabling a port monitor
                Disabling a port monitor
                Killing a port monitor
        Changing the SAC polling schedule
        Configuration scripts for systems and port monitors
                Replacing configuration scripts for individual systems
                Replacing configuration scripts for individual port monitors
        Notifying manual changes made to administrative files

Administering port services
        The port monitor administrative command: pmadm
        Displaying information about service status
                Listing status information for all services
        Adding a service
        Enabling a service
        Disabling a service
        Removing a service
        Authentication schemes and user IDs
                Adding or removing an authentication scheme
                Removing a user ID
        Installing (or replacing) configuration scripts for specific services
                Listing a service-specific configuration script
                Installing a service-specific configuration script

Administering the ttymon port monitor
        What ttymon does
        ttymon and the Service Access Facility
                The default configuration of ttymon
                The ttyadm command
        Listing which ttymon port monitors are configured
        Listing which services are configured for a ttymon port monitor
        Listing which TTY ports are accessible
        Adding a ttymon port monitor
        Removing a ttymon port monitor
        Adding a service
        Removing a service
        Enabling a service
        Disabling a service
        Disabling all services monitored by a ttymon port monitor
        ttymon express mode
        Configuration files
        The who command
                Listing running port monitors
                Listing all logged-in users
        Identifying ttymon processes
        Examining the system for ambiguously configured ports
        Examining log files

Configuring terminal line settings
        The ttydefs file
                The autobaud option
        The sttydefs command
                Printing terminal line setting information
                Adding records to the ttydefs file
                Creating a hunt sequence
                Removing records from the ttydefs file
        Setting terminal options with the stty command
        Modem access
                Referencing the port
                Checking modem settings
                Configuring your system and modem to work together
        Examples of ttyadm option settings
        ttymon timeouts
        Monitoring ports
        Increasing the number of pseudo-terminal devices

Administering the listen port monitor
        What listen does
                Private addresses for services
                Passing connections to standing servers
                Socket-based services
                RPC-based services and dynamic addressing
        listen and the Service Access Facility
                The nlsadmin command
        Listing which listen port monitors are configured
        Listing which services are configured for a listen port monitor
        Adding a listen port monitor
        Removing a listen port monitor
        Adding a service
        Removing a service
        Enabling services
        Disabling a service
        Disabling all services monitored by a listen port monitor
        Configuration files
        Log files

Administering the connection server
        Connection server components
        Authentication scheme administration
                Server Machine Administration
                Client machine administration
                        Maintaining the /etc/iaf/serve.allow file
                        Maintaining the /etc/iaf/serve.alias file
                The reportscheme service
                The authentication scheme file
                The log file
                The debug file

cr1 Bilateral Authentication Scheme
        cr1 components
        An overview of cr1 administration
                Client-side administration
                Server-side administration
        Registering cr1 with a port monitor
        Registering cr1 with the connection server
        Managing the daemon and the master key
                Starting and stopping the daemon
                Creating a master key
        Setting up the key database

Administering ID mapping
        Overview of ID mapping
        Administering login maps
        Administering an idata file
                Setting up the idata file
                Adding an entry to an idata file
                Examples
                Deleting an entry in an idata file
                Deleting the idata and uidata files
                Checking files and fixing file inconsistencies
                Displaying information
        Administering a uidata file
                Setting up the uidata file
                Enabling and disabling user-controlled mapping
                Adding an entry to a uidata file
                Deleting an entry from a uidata file
                Checking files and fixing file inconsistencies
                Displaying information
        Administering attribute maps
                Setting up an attribute map
                Adding an entry to an attribute map
                        Examples
                Deleting an entry from an attribute map
                Deleting an attribute map
                Checking files and fixing file inconsistencies
                Displaying information

Administering network selection
        Network selection overview
        The /etc/netconfig file
        The NETPATH environment variable

Administering name-to-address mapping
        The tcpip.so library
        The resolv.so library
        The straddr.so library

Administering BNU
        Overview of the BNU processes
                Networking hardware
                Networking programs
                        User programs
                        Administrative programs
                        Networking daemons
                Networking support files
        Database support files
        Administrative support files
                Temporary data files (TM. files)
                Checkpoint files (P. files)
                Lock files (LCK. files)
                Work files (C. files)
                Data files (D. files)
                Execute files (X. files)
        Log files
                Command log
                System history log
                Error log
                Transfer log
                        Report statistics of file transfer
                Accounting log
                Security log
                        File transfer (xfer) security log
                        Remote execution (rexe) security log
                Performance log
                        Connection (conn) performance log
                        File transfer (xfer) performance log
                Foreign log
        Overview of BNU administration

BNU setup procedures
        All types of connection
        Connections using the CS dialer: clients
                Required steps
                Optional or conditional steps
        Connections using the CS dialer: servers
                Required steps
                Optional or conditional steps
        Connections not using the CS dialer: clients
                Optional or conditional steps
        Connections not using the CS dialer: servers
                Optional or conditional steps
        Adding uucp logins
        Configuring UUCP over TCP/IP

BNU maintenance
        Automated networking maintenance (cron)
                uudemon.poll
                uudemon.hour
                uudemon.admin
                uudemon.clean
        Manual maintenance
                Cleaning up log files

BNU troubleshooting
        Utility for testing basic outgoing connectivity
        Using the connection server in debug mode
        Testing basic modem connectivity
        Testing basic direct line connectivity
        Testing outgoing cu and uucp functionality
                How cu and uucp work
                        Summary
                Debugging outgoing connections
                Using Uutry to debug uucp
        Testing incoming functionality
                Testing incoming uucp connectivity
                Testing remote login and ttymon
                Making sure line speeds are set correctly
                        Stopping and restarting ttymon
        Using expect/send strings to troubleshoot uucp
                Using expect/send strings to test the connection to a new remote system
        Speed, character size and parity settings
        Data transfer and flow control
        Hints and tricks
                Dealing with device busy errors
                Dealing with no answer
                Going out over TCP/IP instead
        Known problems and workarounds
                You always get a device busy message
                Don't define a direct line as a modem
                Use 8 bit characters and no parity for autobaud connections
                Use 8 bit characters for PPP
                You can't assign a system to a specific direct line
                Use the Break key to change line speeds
                What to do when connections seem to hang
                File transfers via uucp can take a long time

Administering REXEC
        Overview of REXEC administration
        Registering REXEC with a port monitor
        Adding and removing services
                Adding a service
                        Examples
                Removing a service
                        Example
        Listing the defined services
        Linking services to REXEC

Administering Remote Procedure Calls (RPC)
        Enabling a Secure RPC server
                RPC and name-to-address mapping
                The public key database file
                Setting the Secure RPC domain name
        Secure RPC overview
                RPC domains
        Administering Secure RPC
                Establishing Secure RPC domains
                Maintaining the master public key file
                        Adding RPC users
                        Changing a network password
        Troubleshooting RPC