I was recently asked how to open ports within the firewall. Since it’s been quite a while since I’ve had to do something like this, I took the time to relearn and write some documentation. In this tutorial, I’ll cover how to open a port on your server and test that it is ope...
In the cyber world, if we compare an IP address to a street address and a service to a courier, then port is the house number. An IP address and a port form a complete communication address, which is used to identify the destination of data packets. What Are Open Ports? Open ports ...
Use the following command to open port2049on thehost, being sure to substitute yourclientIP address: sudoufw allow fromclient_ipto any port nfs Copy You can verify the change by typing: sudoufw status Copy You should see traffic allowed from port2049in the output: Output Status: active To ...
If you are running IPTables, make sure you open-up port 111 and 2049 as shown below. iptables -A INPUT -p tcp --dport 111 -j ACCEPT iptables -A INPUT -p udp --dport 111 -j ACCEPT iptables -A INPUT -p tcp --dport 2049 -j ACCEPT iptables -A INPUT -p udp --dport 2049 -j...
how do i connect my printer to my computer? connecting a printer to your computer is quite simple. first, make sure the printer is powered on and the usb cable is plugged into both the printer and the computer's usb port. then follow the instructions that came with your printer - most...
you can connect a 4k monitor to your computer using either hdmi, displayport, or universal serial bus type-c (usb-c). ensure your computer has the corresponding output port that supports 4k resolution. what is the difference between 4k and ultra-high definition (hd)? technically, 4k and ...
Reload or enable the firewall (if it was turned off) and check the status of the firewall. Port2049, which is the default file share, should be opened. $ sudo ufw enable $ sudo ufw status Open NFS Port on Firewall Install the NFS Client on the Client Systems ...
The firewall rule for port 2049 should be: bash foc@ubuntu22desktop:~$ sudo ufw status Status: active To Action From -- --- ---2049 ALLOW 192.168.122.0/24 Server steps are complete here. NFS Client Configuration Start by updating the package repository on the client: Step-1...
# iptables -A INPUT -i eth0 -s 0/0 -p tcp --dport 2049 -j ACCEPT Open NFS Ports in Firewall As you can see, we were able to mount the NFSv4 share after opening the traffic. Inserting, Appending and Deleting Rules In the previous examples we showed how to append rules to theIN...
Port2049and743are both associated with NFS. The rest can be tracked down in a similar manner. (You'll notice that some ports actually have their service names printed next to them, such as thesmtpentry for port 25). lsofis averypowerful tool which can be used for lots of jobs. If you...