If you have a KVM, VNC, or IMPI access of your machine, then you will have to disable the firewall first on your machine..
Did you change the SSH port?
If you have a KVM, VNC, or IMPI access of your machine, then you will have to disable the firewall first on your machine..
Did you change the SSH port?
Any utility that allows you to access the server and run commands outside of the SSH service would be suitable. You may also find this thread helpful for choosing an SSH port and configuration: