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16 Cards in this Set

  • Front
  • Back

0

Port 0 is considered invalid and generates a different sreponse from a closed port (commonly used to determine the operating system)

7

echo (An outdated service that echoes whatever is sent to it)

119

NNTP (Network News Transfer Protocol)

139

NetBIOS

143

IMAP(v4)

161

SNMP

177

xdmcp (X Display Managment Control Protocol for remote connections to X servers)

443

SNMP

465

SMTP over SSL

513

rwho (remote login (rlogin))

993

IMAP over SSL

1024

The first port number i the dynamic range of ports. Many applications do not specify a port to use for a network connection, but request the next freely available port, which starts with 1024; this means the first application on your system that requests a dynamic port is assigned port 1024)

1080

SOCKS

1433

MSSQL

6970

RealAudio (Clients recieve incoming audio streams from servers on UDP ports in the range 6970-7170; This is setup by the outgoing control connection on TCP 7070

31337

Back Orifice (Typical Trojan listing port)