Top "Port" questions

A port is a communication end-point in the context of network communications or an interaction point for inter-component interactions.

How to check if a HANDLE is valid or not?

In C++, I have opened a serial port that has a HANDLE. Since the port may close by an external …

c++ c winapi port handle
Windows Azure Virtual Machine - Opening a port

I am trying to open a port in a Windows Azure virtual machine. I have a game listening on that …

windows azure port virtual-machine
Running docker container : iptables: No chain/target/match by that name

I'm trying to run a container but I get the following issue : Error response from daemon: Cannot start container b005715…

docker port iptables
How to get the SPRING Boot HOST and PORT address during run time?

How could I get the host and port where my application is deployed during run-time so that I can use …

spring-boot port host
Difference between targetPort and port in Kubernetes Service definition

A Kubernetes Service can have a targetPort and port in the service definition: kind: Service apiVersion: v1 metadata: name: my-service …

service kubernetes port
Making a Fast Port Scanner

So I'm making a port scanner in python... import socket ip = "External IP" s = socket.socket(2, 1) #socket.AF_INET, socket.…

python sockets port port-scanning
Nginx- error: bind() to 0.0.0.0:80 failed. permission denied

I am trying to run Nginx, but I am getting the error below: bind() to 0.0.0.0:80 failed (10013: An attempt was made …

networking nginx localhost port
starting tomcat on port 80 on CentOS release 5.5 (Final)

I want to start Tomcat 6.0.29 on port 80. My OS is CentOS release 5.5 (Final) I changed following line in $TOMCAT_HOME/…

tomcat tomcat6 centos port
How to get port in FTP protocol from passive mode?

When I entered passive mode in FTP, I have got: 227 Entering Passive Mode (213,180,204,183,230,205). First 4 numbers are the IP addresses, but …

ftp port passive-mode
Java sockets: multiple client threads on same port on same machine?

I am new to Socket programming in Java and was trying to understand if the below code is not a …

java sockets port relationship