How to permanently forward specific ports from an Ubuntu
May 17, 2020 · Fig.01: Check the status of UFW on a Ubuntu Linux Here is another outputs showing various open ports and their status via the ufw command: To Action From -- ----- ---- 22/tcp ALLOW 139.xxx.yy.zzz # Open TCP SSH PORT for SG_OFFICE 22/tcp ALLOW 35.yyy.zzz.ttt # Open TCP SSH PORT for BACKUP_SERVICE 22/tcp ALLOW 172.aaa.bb.ccc # Open TCP SSH PORT for MUM_OFFICE_VPN 192.168.206.142 642/tcp ALLOW Sep 26, 2018 · Next run the following command to forward port 5000 on the remote machine to port 3000 on the local machine. $ ssh -f -N [email protected] -R 5000:localhost:3000 Once you understand this method of tunneling, you can easily and securely expose a local development server, especially behind NATs and firewalls to the Internet over secure tunnels. Oct 17, 2016 · 4) add rule to allow port 22 for ssh. firewall-cmd --permanent --add-port=22/tcp. 5) add rule to forward port 443 to port 5901. firewall-cmd --permanent --add-forward-port=port=443:proto=tcp:toport=5901. 6) reload the firewall. firewall-cmd --reload. Ubuntu*/Debian systems can use ufw as a firewall for port redirection: 1) Login to the root Jul 05, 2018 · You can also specify a specific port that the IP address is allowed to connect to by adding to any port followed by the port number. For example, If you want to allow 203.0.113.4 to connect to port 22 (SSH), use this command: sudo ufw allow from 203.0.113.4 to any port 22; Subnets With UFW, you can allow or block ports using App profiles. For example, let’s say you want to allow or block the port 80, which is the default port for Apache web server. Instead of telling UFW to allow or block port 80, you can just tell it to block the Apache app profile. That’s a really nice feature of UFW firewall. Port: Type 80. Backend port: Type 80. Backend pool: Select MyBackendPool. Health probe: Select MyHealthProbe. Select OK. Create an inbound NAT port-forwarding rule. Create a load balancer inbound network address translation (NAT) rule to forward traffic from a specific port of the front-end IP address to a specific port of a back-end VM.
Tutorial: Configure port forwarding - Azure portal - Azure
In this post, we would see how we could do port forwarding for running Docker container.So for this scenario we need to use IPTables, so whatever traffic comes to host on that port will redirect towards to Docker container. Docker Host. #docker -v Docker version 17.06.0-ce, build 02c1d87 #lsb_release -d Description: Ubuntu 16.04.3 LTS IP
May 17, 2020
Aug 19, 2018 SSH port forwarding - Example, command, server config In this example, only connections from the IP address 52.194.1.73 to port 8080 are allowed. OpenSSH also allows the forwarded remote port to specified as 0. In this case, the server will dynamically allocate a port and report it to the client. When used with the -O forward option, the client will print the allocated port number to standard output.