Thus, by tunneling backwards over the existing ssh connection, it doesn't matter that ComputerA is behind an NAT firewall. All connections to port 2222 on ComputerB get forwarded to port 22 (default ssh port) on ComputerA. We are indeed telling scp to pass the file back to ComputerB, but to port 2222. Now from ComputerB, you can issue the scp command in the following manner to copy files from ComputerB -> ComputerA where ComputerAUser is your username on ComputerA: scp -P 2222 /path/to/file/on/ComputerB happening here? It looks like we are simply telling ComputerB to send the file back to itself because we're passing localhost instead of ComputerA. We'll use this port to reverse-tunnel back to ComputerA from ComputerB. ssh -R 2222:localhost:22 where ComputerBUser is the username for the account on ComputerB being authenticated and 2222 is a free port on ComputerB. When establishing the ssh connection ComputerA -> ComputerB, do so with the -R option in the following manner. In this case, you can configure your ssh tunnel from ComputerA -> ComputerB such it can tunnel reverse connections as well. However, you may not always have access to make these kinds of changes. In this scenario, you would typically need to configure port-forwarding in the NAT firewall. To use this solution, run from ComputerB: scp /path/to/file/on/ComputerB 2: If ComputerA is behind an NAT firewall It requires you to have an ssh server (and client) installed on both ends (computerA and computerB). This is a swift and easy solution, combining scp and ssh (scp performs a secure copy using ssh protocols). Scenario 1: If ComputerA is not behind an NAT firewall ComputerB is a remote machine that you can access via ssh. Say you have two computers, ComputerA and ComputerB. I'm posting a separate solution altogether to account for the situation where it may be difficult because of network structure (think NAT firewall) to simply ssh back into the local system. Otherwise, a problem such as resetting the devices will occur with each manual update.Nullmeta's answer is completely valid, and perhaps nullmeta will edit to provide the clarification you're looking for. In other words, you must keep all user name and password definitions in the Unifi controller software installation so that you can access them. When you import the device into the network with a controller software, the device access user name and password will turn into the mandatory device access user name and password when installing the controller software. After this point, Status - 1 is valid to access the device. * If this information is not noted, the device will need to be reset (reset). If you get the error I could not find syswrapper.sh on devices with firmware software after version 4.0 If it does not give an error, the connection will be interrupted and the firmware software will be applied to the device. (The situation mentioned in connection section with WinSCP-1,2,3)Īfter successfully passing this part to the command line Let's connect to SSH connect type and target Unifi device with Putty software. Drag and drop this file into the TMP folder.Īpplication of firmware file with SSH command. Find the file you previously downloaded from the file navigator showing the files of your computer on the left and renamed fwupdate.bin. Once this section has been successfully passed, go up to the root folder in the file explorer, which displays the Unifi device content on the right side of WinSCP. You need to use this username and password that you defined. Installing the firmware file to the Unifi AP device:Ĭonnect with the SCP File Communication Protocol option to the destination IP address with Winscp.Ĭase - 1: If your devices are reset (at factory settings), you can enter ubnt / ubnt.Ĭase - 2: Your device is still in use in the current wireless system and you are using an Old version Controller software (Device Access specific Super Admin is not defined) You can enter your controller software username and password.Ĭase - 3: Your device is still used in the current wireless system and you are using a new version controller software In this case, you must have defined Super Admin specific to device access. Ĭhange the long original name of the file, consisting of letters and numbers, to fwupdate.bin.ĭetermine the IP V4 address of your target UAP device with Unifi-Discover or any port scanner software. It is highly recommended that you download the software from their official site.ĭownload the firmware file suitable for your device at. We recommend that putty, winscp software be installed on your computer in order to perform this process easily. Required software, downloading firmware file
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