24.6 For More Information . . . . . . . . . . . . . . . . . . . . . . 420
25 The Domain Name System 421
25.1 DNS Terminology . . . . . . . . . . . . . . . . . . . . . . . . 421
25.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 422
25.3 Conguration with YaST . . . . . . . . . . . . . . . . . . . . . . 422
25.4 Starting the BIND Name Server . . . . . . . . . . . . . . . . . . 433
25.5 The /etc/named.conf Conguration File . . . . . . . . . . . . . . . 434
25.6 Zone Files . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
25.7 Dynamic Update of Zone Data . . . . . . . . . . . . . . . . . . . 443
25.8 Secure Transactions . . . . . . . . . . . . . . . . . . . . . . . 443
25.9 DNS Security . . . . . . . . . . . . . . . . . . . . . . . . . . 445
25.10 For More Information . . . . . . . . . . . . . . . . . . . . . . 445
26 DHCP 447
26.1 Conguring a DHCP Server with YaST . . . . . . . . . . . . . . . . 448
26.2 DHCP Software Packages . . . . . . . . . . . . . . . . . . . . . 452
26.3 The DHCP Server dhcpd . . . . . . . . . . . . . . . . . . . . . 452
26.4 For More Information . . . . . . . . . . . . . . . . . . . . . . 456
27 Time Synchronization with NTP 457
27.1 Conguring an NTP Client with YaST . . . . . . . . . . . . . . . . 457
27.2 Manually Conguring ntp in the Network . . . . . . . . . . . . . . 462
27.3 Dynamic Time Synchronization at Runtime . . . . . . . . . . . . . . 463
27.4 Setting Up a Local Reference Clock . . . . . . . . . . . . . . . . . 463
28 Sharing File Systems with NFS 465
28.1 Installing the Required Software . . . . . . . . . . . . . . . . . . 465
28.2 Importing File Systems with YaST . . . . . . . . . . . . . . . . . . 466
28.3 Importing File Systems Manually . . . . . . . . . . . . . . . . . . 467
28.4 Exporting File Systems with YaST . . . . . . . . . . . . . . . . . . 469
28.5 Exporting File Systems Manually . . . . . . . . . . . . . . . . . . 474
28.6 NFS with Kerberos . . . . . . . . . . . . . . . . . . . . . . . . 477
28.7 For More Information . . . . . . . . . . . . . . . . . . . . . . 477
29 Samba 479
29.1 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
29.2 Installing a Samba Server . . . . . . . . . . . . . . . . . . . . . 481
29.3 Starting and Stopping Samba . . . . . . . . . . . . . . . . . . . 481
29.4 Conguring a Samba Server . . . . . . . . . . . . . . . . . . . . 481