Test jBoss port 8080 with curl. This scenario shows that connection is refused (probably because there’s no service running on that port). IMPORTANT: you would probably get a different message if firewall blocks the 8080 port. Connection refused is a clear sign that port is accessible, but nothing’s responding on it.
Dec 29, 2019 · Discovered open port 8080/tcp on 104.18.43.213 Discovered open port 8443/tcp on 104.18.43.213 Completed SYN Stealth Scan at 15:41, 4.12s elapsed (1000 total ports) Nmap scan report for presidency.iq (104.18.43.213) Host is up (0.013s latency). Other addresses for presidency.iq (not scanned): 104.18.42.213 Not shown: 996 filtered ports PORT TCP/IP used port numbers to differentiate between applications by assigning a unique 16-bit port number to each application protocol. For example, HTTP traffic today is standardized to use TCP port 80, SMTP uses TCP port 25, and FTP uses TCP ports 20 and 21. Port 80 is the port number assigned to commonly used internet communication protocol, Hypertext Transfer Protocol (HTTP). It is the port from which a computer sends and receives Web client-based communication and messages from a Web server and is used to send and receive HTML pages or data. Test jBoss port 8080 with curl. This scenario shows that connection is refused (probably because there’s no service running on that port). IMPORTANT: you would probably get a different message if firewall blocks the 8080 port. Connection refused is a clear sign that port is accessible, but nothing’s responding on it.
ERR Failed to make TCP connection to port 8080: connection
So, now 8080 port is closed. I did sudo iptables -A INPUT -p tcp --dport 8080 -j ACCEPT to open it, but the port is not listening. sudo netstat -tanpu | grep ":8080" tcp6 0 0 127.0.0.1:8080 127.0.0.1:37064 TIME_WAIT - How can I open this port (8080) for listening for another application ( not tomcat)? Mar 30, 2016 · TCP port 8083 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. Only when a connection is set up user's data can be sent bi-directionally over the connection. Attention! If I was opening up tcp port 8080 from everywhere (no scope limiting needed) for Tomcat I would run the following command. iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT -m comment --comment "Tomcat Server port" Then make sure to save your running iptables config so that it goes into effect after the next restart
If I was opening up tcp port 8080 from everywhere (no scope limiting needed) for Tomcat I would run the following command. iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT -m comment --comment "Tomcat Server port" Then make sure to save your running iptables config so that it goes into effect after the next restart
tcp port 8080 is /capture/ filter, but tcp.port == 8080 is /display/ filter. First thing I would confirm is that I am using the right interface. To do this quickly and simply, I would click Capture > Interfaces and confirm which interface is receiving packets. Then select that interface and click the Start button. TCP/UDP Ports -> Port 8080 Port 8080. Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time. Official TCP and UDP ports used by Apple software products Aug 27, 2019