R U/L/H Series
User Guide, Rev. 00 (May 2015)
24
3.2.12
Access control
First section of Access Control tab allows you to configure SSH protocol. You can turn it on or off,
set on which port and interfaces (also OpenVPN and IPsec tunnels) it should be accessible. You can
also toggle logging via SSH as root and change/delete passwords/keys for root and service user.
Remember to save whole configuration after changing password by pressing Save Configuration
button from main menu. Deleting password means that it won't be needed to log on. When logging
via SSH, key authentication has higher priority than password. That means that user with
authorized key won't be prompted for a password and user without key will be able to login using
password. You can paste multiple keys into SSH root key and SSH service key fields.
ATTENTION:
Service account is used to upgrade firmware. Turning SSH off will disable firmware
upgrades.
You can generate necessary keys directly on modem. Press the Generate button and wait for a
while-the process can take few minutes. You should not change settings or switch tabs then. After
the generation the message will be displayed. Public key will be automatically pasted into the keys
field (if the field wasn't empty before pressing the button, its contents will be saved, the newly
generated key will appear first on the list). From now you will be able to download private and
public keys by pressing Get private key and Get public key buttons. To login using the key under
