EXFO ETS-1000G - Manual (Page 157)

Reference Tables
10 Gigabit Ethernet Analyzer 147
TCP/IP Port Numbers
TCP/IP Port Numbers
Connection Errors
Port number
(protocol)
Description
21 (FTP) File Transfer Protocol
22 (SSH) A secure protocol for remote control and file transfer
23 (TELNET) A protocol for accessing a remote network device
25 (SMTP) An e-mail transfer protocol
80 (HTTP(WWW)) A protocol that is used by web browsers and web services for
file transfer
161 (SNMP) A protocol for controlling network devices
Message Description
protocol not supported The protocol is not supported.
can't assign requested address The requested address cannot be assigned.
network is down The network is inaccessible.
network is unreachable The network does not work.
network dropped connection on
reset
A connection to the network has been lost.
software caused connection abort Software has released a connection
connection reset by peer
The node has released a connection.
connection timed out The connection timeout has expired.
connection refused An attempt to establish a connection has been
refused.
host is down The node does not respond.
no route to host A route to the node is unavailable.