Top "Port" questions

How do I find which program is using port 80 in Windows?

How do I find which program is using port 80 in Windows? I can't find it.

windows port

What is the difference between ports 465 and 587?

These ports 465 and 587 are both used for sending mail (submitting mail) but what is the real difference between them?

email smtp port postfix-mta email-client

Port 80 is being used by SYSTEM (PID 4), what is that?

I am trying to use port 80 for my application server, but when I perform netstat -aon I get: TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4 …

iis port pid netstat

Test if remote TCP port is open from a shell script

I'm looking for a quick and simple method for properly testing if a given TCP port is open on a …

shell tcp port solaris telnet

How do I assign a port mapping to an existing Docker container?

I'm not sure if I've misunderstood something here, but it seems like it's only possible to set port mappings by …

docker port lxc linux-containers

What is the difference between a port and a socket?

This was a question raised by one of the software engineers in my organisation. I'm interested in the broadest definition.

networking sockets port

How do I free my port 80 on localhost Windows?

I installed XAMPP 1.6.8 and for some reason it didn't work. Later realized port 80 is not free or not listening. How …

windows xampp windows-xp localhost port

Efficiently test if a port is open on Linux?

From a bash script how can I quickly find out whether a port 445 is open/listening on a server. I …

linux bash shell port

How do I get Flask to run on port 80?

I have a Flask server running through port 5000, and it's fine. I can access it at http://example.com:5000 But …

python networking flask port

#1045 - Access denied for user 'root'@'localhost' (using password: YES)

This might seem redundant but I was unable to find a correct solution. I was unable to login to mysql …

mysql phpmyadmin localhost port wamp