Console Server & Router User Manual
319
For
console servers
with Cisco pinouts:
DB9F to RJ45 straight
Console server
with Cisco pinout to IP Power and other serial device
DB9F to RJ45
crossover
DCE Adapter -
Console server
with Cisco pinout to to X86 and other
DB9M to RJ45 straight DTE Adapter -
Console server
with Cisco pinout to Netscreen and Dell
DB9M to RJ45 straight DTE Adapter -
Console server
OoB modem connection
TCP/UDP Port Numbers
Port numbers are divided into three ranges:
Well Known Ports, Registered Ports
and
Dynamic
and/or
Private Ports
. Well
Known Ports are those from 0 through 1023. Registered Ports are those from 1024 through 49151. Dynamic and/or
Private Ports are those from 49152 through 65535.
Well Known Ports are assigned by IANA, and on most systems, can only be used by system processes or by programs
executed by privileged users. Table below shows some of the well-known port numbers. For more details, please visit the
IANA website: http://www.iana.org/assignments/port-numbers
Port
Number
Protocol
TCP/UDP
21
FTP (File Transfer Protocol)
TCP
22
SSH (Secure Shell)
TCP
23
Telnet
TCP
25
SMTP (Simple Mail Transfer Protocol)
TCP
37
Time
TCP, UCP
39
RLP (Resource Location Protocol)
UDP
49
TACACS,
UDP
53
DNS
UDP
67
BOOTP server
UDP
68
BOOTP client
UDP
v69
TFTP
UDP
70
Gopher
TCP
79
Finger
TCP
80
HTTP
TCP
110
POP3
TCP
119
NNTP (Network News Transfer Protocol)
TCP
161/162
SNMP
UDP
443
HTTPS
TCP
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