Test whether the ports communicate between server
# 1.57##
[PROD #] telnet 109.120.1.86 7575
Trying...
Connected to 109.120.1.86.
Escape character is'^]'. -- > ctrl +]
Telnet >
# 1.58##
[PROD #] telnet 109.120.1.86 7575
Trying...
Connected to 109.120.1.86.
Escape character is'^]'. -- > ctrl +]
Telnet >
# 1.86##
[PRO #] netstat-an | grep 7575
Tcp 0 0 127.0.0.1.7575 127.0.0.1.13620 ESTABLISHED
Tcp 0 0 127.0.0.1.23299 127.0.0.1.7575 ESTABLISHED
Tcp 0 0 127.0.0.1.7575 127.0.0.1.13603 ESTABLISHED
Tcp 0 0109.120.1.86.7575 109.120.1.58.55238 ESTABLISHED-> established connection
Tcp 0 0109.120.1.86.7575 109.120.1.57.55243 ESTABLISHED-> established connection
Tcp 0 0 * .7575 *. * LISTEN
Tcp 0 0 127.0.0.1.13603 127.0.0.1.7575 ESTABLISHED
Tcp 0 0 127.0.0.1.7575 127.0.0.1.13595 ESTABLISHED
Tcp 0 0 127.0.0.1.13620 127.0.0.1.7575 ESTABLISHED
Tcp 0 0 127.0.0.1.7575 127.0.0.1.23299 ESTABLISHED
Tcp 0 0 127.0.0.1.13595 127.0.0.1.7575 ESTABLISHED
Tcp 0 0 127.0.0.1.7575 127.0.0.1.23305 ESTABLISHED
Tcp 0 0 127.0.0.1.23305 127.0.0.1.7575 ESTABLISHED
Udp 0 0 * .7575 *.
# Command interpretation #
-an or-- all: displays the Socket in all connections
-An or--: list the relevant addresses in the connection of this network type
-c or-- continuous: continuously lists network status
-C or-- cache: displays the cache information configured by the router
-e or-- extend: displays other relevant information about the network
-F or-- fib: display FIB
-g or-- groups: displays the list of group members with multi-broadcast function
-h or-- help: online help
-I or-- interfaces: displays the web interface information form
-l or-- listening: displays the Socket of the server under monitoring
-M or-- masquerade: shows a camouflaged network connection
-n or-- numeric: use the ip address directly, not through the domain name server
-N or-- netlink or-- symbolic: displays the symbolic connection name of the network hardware peripheral
-o or-- timers: display timer
-p or-- programs: displays the program identification number and program name that are using Socket
-r or-- route: display Routing Table
-s or-- statistice: displays the statistical table of network work information
-t or-- tcp: displays the connection status of the TCP transport protocol
-u or-- udp: displays the connection status of the UDP transport protocol
-v or-- verbose: displays the instruction execution process
-V or-- version: displays version information
-w or-- raw: displays the connection status of the RAW transport protocol
-x or-- unix: this parameter has the same effect as specifying the "- A unix" parameter
-- ip or-- inet: this parameter has the same effect as specifying the "- An inet" parameter.
