What other solutions exist to reliably set the MTU to 1500 + 6 + 2 + 4 = 1512 bytes on the ptm? I need to get an effective MTU of 1500, that is, PPPoE with tagged VLAN. The VR200's CLI obviously isn't usuable for even debugging this. I'd now like to debug the MTU-issue, that's causing packet loss or at least packet fragmentation. Unfortunately, this isn't possible right now. If there where mere USB-VDSL2-Vectoring modems models available on the market, I'd rather prefer these over any router model with limited access or ageing firmware. As mentioned before, the telnet server on the VR200 would accept the very same user/pass combination I am trying to use for SSH. If the user name and password where the same for the app's ssh access, the non-app-ssh client would log in first and ssh would terminate the session right after.īut in my case, the user 'root' or rather 'admin' with the password from the GUI won't be accepted - the password will be asked for over and over until ssh terminates after on the third try. I'd appreciate to receive updated firmware.īack to the main topic: what you explain, does not seem to be right - at least not with a secure password containing special characters: These issues have not yet been addressed. in the linux kernel (2 priviledge escalation exploits, the latest for mod_hdlc, that is used by mod_ppp and 1 DoS) have been discovered. Since latest firmware was updated, many security breaches, e.g. That’s it! Now you can automatically securely connect to your remote SSH server with Putty client by hitting the Open button without the need to enter passwords.I'm not going to argue with you on what I regard to be security by obscurity.īTW1: I find it embarrassing not be able to log in to a router with ssh with just a normal busybox available on it, nowadays. After you added the Private Key, go back to the Session menu, enter a descriptive name to the Saved Session field, and hit the Save button to save your current Putty session. Then go to the left Category menu, select SSH –> Auth, hit the Browse button, search and add your Private Key. Open Putty and add your server login user followed by your server IP Address or FQDN on Host Name field in the form of, enter your server SSH Port number if it was changed. In order to automatically connect and login to your server you need to add the Private Key to the Putty client. On the authorized_keys file opened for editing in Putty, paste the content from the Public Key that you copied earlier from Putty Key Generator, save and close the file, view the contents, protect the folder, and authorized_keys with 700 permissions, and exit from the server. # pwd # To see if you are in the correct $HOME locationħ. ssh directory and authorized_keys file onto its home path by issuing the following commands. Login to server with your administrative user (root or an account with root powers) using Putty and create. Now it’s time to copy the key to the destination remote server and perform automatic login connections. Copy SSH Public Key Location of Authorized Keys Step 2: Copy SSH Key to Perform PasswordLess Login Using PuttyĦ. password -> then try to login via putty using new credentials. After you have saved both Keys, don’t close the Putty Key Generator window yet, select copy and save the text field of Public Key into a text file which will be later pasted into the OpenSSH authorized_keys file on the remote server. But every time i try to login as root with password hadoop it says access denied. Add Key Comment Save SSH Public Keys Save SSH Private Keys Location of SSH Keysĥ. Pay extra attention to where you save the Private Key because if anyone steals this key it can perform logins to your server without the need to enter a password.Īlso, to enforce Keys security you can choose a passphrase to protect your keys, but you might want to avoid passwords for automated processes because it will ask you to enter the password key every time you perform server login. After the Keys are generated, add a descriptive Key comment to help you easily identify your key and Save both keys ( Public and Private Keys) to a secure location on your computer. Generate SSH Key in Putty Generating SSH Key in PuttyĤ. Select SSH-2 RSA Key with 2048 bits, hit the Generate button, and move the cursor randomly on the Putty Key Generator field window as presented in the screenshots below in order to produce SSH Keys. Once the program opened, it’s time to proceed with Keys generation. After you have finished installing Putty go to Windows Start, type putty string to search field, and open PuTTygen program which you will use to generate Keys pairs. The first step you need to take is to go to the official Putty download page, grab the last version of the Putty Windows Installer executable package and install it onto your Windows computer.
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