SD RED 20 System LED won't light up, so won't boot

Hello all, I have a SD RED 20 which, when I connect it to the power source, just does nothing. The power LED is green, but not even the status LED is coming up. I tried to reset it (short press and 10...
Sophos SG135 WAN side firewall configuration

I have revisited my firewall configuration and have a problem. I have found that the destination for internet bound traffic on a subnet had been set to all rather than WAN. This didn't look right so...
Sophos SG135 WAN side firewall configuration new problem creating a Vlan interface

I have a few subnets and have been trying to bring some discipline to my firewall configuration. Because the system is live I am trying to create a new interface Test_Network on a VALN using my private...
Multiple old SG firewalls - Too many failed logins from same IP

Hi there, How many chances to see all my customers SG firewwall with "Too many failed logins from" same IP ? I have only 4 customers left on SG models and all of them have the same problem, starting...