The Network Administrators' Guide A shorter index List of Figures Introduction to Networking History UUCP Networks How to Use UUCP TCP/IP Networks Introduction to TCP/IP-Networks Ethernets Other Types of Hardware The Internet Protocol IP over Serial Lines The Transmission Control Protocol The User Datagram Protocol More on Ports The Socket Library Networking Different Streaks of Development Where to Get the Code Maintaining Your System System Security Outlook on the Following Chapters Issues of TCP/IP Networking Networking Interfaces IP Addresses Address Resolution IP Routing IP Networks Subnetworks Gateways The Routing Table Metric Values The Internet Control Message Protocol The Domain Name System Hostname Resolution Enter DNS Name Lookups with DNS Domain Name Servers The DNS Database Reverse Lookups Configuring the Networking Hardware Devices, Drivers, and all that Kernel Configuration Kernel Options in 1.0 and Higher Kernel Options in 1.1.14 and Higher A Tour of Network Devices Ethernet Installation Ethernet Cabling Supported Boards Ethernet Autoprobing The PLIP Driver The SLIP and PPP Drivers Setting up the Serial Hardware Communication Software for Modem Links Introduction to Serial Devices Accessing Serial Devices Serial Hardware Configuring TCP/IP Networking Setting up the proc Filesystem Installing the Binaries Another Example Setting the Hostname Assigning IP-Addresses Writing hosts and networks Files Interface Configuration for IP The Loopback Interface Ethernet Interfaces Routing through a Gateway Configuring a Gateway The PLIP Interface The SLIP and PPP Interface The Dummy Interface All About ifconfig Checking with netstat Displaying the Routing Table Displaying Interface Statistics Displaying Connections Checking the ARP Tables The Future Name Service and Resolver Configuraton The Resolver Library The host.conf File Resolver Environment Variables Configuring Name Server Lookups-- resolv.conf Resolver Robustness Running named The named.boot File The DNS Database Files Writing the Master Files Verifying the Name Server Setup Other Useful Tools Serial Line IP General Requirements SLIP Operation Using dip A Sample Script A dip Reference The Modem Commands echo and term The get Command The print Command Variable Names The if and goto Commands send, wait and sleep mode and default Running in Server Mode The Point-to-Point Protocol Untangling the P's PPP on Running pppd Using Options Files Dialing out with chat Debugging Your PPP Setup IP Configuration Options Choosing IP Addresses Routing Through a PPP Link Link Control Options General Security Considerations Authentication with PPP CHAP versus PAP The CHAP Secrets File The PAP Secrets File Configuring a PPP Server Various Network Applications The inetd Super-Server The tcpd access control facility The services and protocols Files Remote Procedure Call Configuring the r Commands The Network Information System Getting Acquainted with NIS NIS versus NIS+ The Client Side of NIS Running a NIS Server Setting up a NIS Client with NYS Choosing the Right Maps Using the passwd and group Maps Using NIS with Shadow Support Using the Traditional NIS Code The Network File System Preparing NFS Mounting an NFS Volume The NFS Daemons The exports File The Automounter Managing Taylor UUCP History More Information on UUCP Introduction Layout of UUCP Transfers and Remote Execution The Inner Workings of uucico uucico Command Line Options UUCP Configuration Files A Gentle Introduction to Taylor UUCP What UUCP Needs to Know Site Naming Taylor Configuration Files General Configuration Options-- the config File How to Tell UUCP about other Systems-- the sys File System Name Telephone Number Port and Speed The Login Chat Alternates Restricting Call Times What Devices there are-- the port File How to Dial a Number-- the dial File UUCP Over TCP Using a Direct Connection The Do's and Dont's of UUCP-- Tuning Permissions Command Execution File Transfers Forwarding Setting up your System for Dialing in Setting up getty Providing UUCP Accounts Protecting Yourself Against Swindlers Be Paranoid-- Call Sequence Checks Anonymous UUCP UUCP Low-Level Protocols Protocol Overview Tuning the Transmission Protocol Selecting Specific Protocols Troubleshooting Log Files Electronic Mail What is a Mail Message? How is Mail Delivered? Email Addresses How does Mail Routing Work? Mail Routing on the Internet Mail Routing in the UUCP World Mixing UUCP and RFC-822 Pathalias and Map File Format Configuring elm Global elm Options National Character Sets Getting smail Up and Running UUCP Setup Setup for a LAN Writing the Configuration Files Running smail If You Don't Get Through... Compiling smail Mail Delivery Modes Miscellaneous config Options Message Routing and Delivery Routing Messages The paths database Delivering Messages to Local Addresses Local Users Forwarding Alias Files Mailing Lists UUCP-based Transports SMTP-based Transports Hostname Qualification Sendmail+IDA Introduction to Sendmail+IDA Configuration Files - Overview The sendmail.cf File An Example sendmail.m4 File Typically Used sendmail.m4 Parameters Items that Define Paths Defining the Local Mailer Dealing with Bounced Mail Domain Name Service Related Items Defining Names the Local System is Known by UUCP-Related Items Relay Systems and Mailers The Various Configuration Tables The Master Sendmail.mc File So Which Entries are Really Required? A Tour of Sendmail+IDA Tables mailertable uucpxtable pathtable domaintable aliases Rarely Used Tables Installing sendmail Extracting the binary distribution Building sendmail.cf Testing the sendmail.cf file Putting it all together - Integration Testing sendmail.cf and the tables Administrivia and Stupid Mail Tricks Forwarding Mail to a Relay Host Forcing Mail into Misconfigured Remote Sites Forcing Mail to be Transferred via UUCP Preventing Mail from Being Delivered via UUCP Running the Sendmail Queue on Demand Reporting Mail Statistics Mixing and Matching Binary Distributions Where to Get More Information Netnews Usenet History What is Usenet, Anyway? How Does Usenet Handle News? C-News Delivering News Installation The sys file The active file Article Batching Expiring News Miscellaneous Files Control Messages The cancel Message newgroup and rmgroup The checkgroups Message sendsys, version, and senduuname C-News in an NFS Environment Maintenance Tools and Tasks A Description of NNTP Introduction Installing the NNTP server Restricting NNTP Access NNTP Authorization nntpd Interaction with C-News Newsreader Configuration tin Configuration trn Configuration nn Configuration A Null Printer Cable for PLIP Sample smail Configuration Files The GNU General Public License Preamble Terms and Conditions for Copying, Distribution, and Modification Appendix: How to Apply These Terms to Your New Programs About this document ...

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