Change apache port ubuntu

1. How do I change the port on Apache Linux?
2. Can I use port 587 instead 25?
3. How to change SSH port to 2222?
4. How do I open port 80 and 443 on Ubuntu server?

How do I change the port on Apache Linux?

Open and edit 000-default. conf file and change the port to 8081 as shown in the below image. Finally, to apply changes and make Apache bind on the new port, restart the daemon and check local network sockets table using netstat or ss command. Port 8081 in listening should be displayed in your server network table.

Can I use port 587 instead 25?

port 587 should only be used for submissions (i.e., mail client to mail server), port 25 should only be used for relaying (i.e., mail server to mail server communications), and. port 465 should no longer be used at all.

How to change SSH port to 2222?

Change SSH port on Ubuntu or CentOS

Start by opening the /etc/ssh/sshd_config configuration file with nano or your preferred text editor. Look for the #Port 22 line. We'll need to uncomment this line and change the number to our desired port number. For this example, we'll switch the port number to 2222 .

How do I open port 80 and 443 on Ubuntu server?

To open ports 80 and 443 we need to add an iptables rule. For this Ubuntu uses ufw. The first thing we should do is open a command line terminal and check the current status of our ufw firewall. Based on the above output (relevant part in bold), all incomming ports are blocked by default.