Software

• DNS
  • Dig
    • Dig Demonstrations
  • Named
  • NsLookup
  • Whois
• Hypertext
  • Httpd
• Languages
  • Java
  • Perl
• Mail
  • Sendmail
• Network Management
  • CMU SNMP Package
• Routing
  • Gated
• Servers
  • Httpd@
  • Inetd
  • Named@
  • Sendmail@
• Testing
  • The Real Trick
  • Dig@
  • Ping
    • What Ping can tell you
    • What Ping can not tell you
    • Using ping
    • Sample ping sessions
    • What you might see
  • TCPdump
    • Using TCPdump
    • Problems You Might Encounter
    • Decoding RIP traces
    • TCPdump(1)
  • TraceRoute
    • How Traceroute Works
    • Problems you might encounter
    • Traceroute options
    • Sample Traceroute Session