Short story: With SSH-clients based on OpenSSH 7.0 (like my OSX Mac) I cannot connect with SSH to a Cisco Firewall. To connect anyway I must add the parameter -oKexAlgorithms=+diffie-hellman-group1-sha1 to ssh. sha1 is deprecated as hash algoritm and should…
The Cisco ASA contains a builtin scp server. By enabling that you can use the scp protocol to transfer files to and from the server using an scp client. scp is a secure file transfer protocol. It is almost like…
I created a short video on how to configure Cisco ASA to allow a CLI user to authenticate with RSA keypair when connecting with SSH instead of username/password. See video below. In short, this is how to do it: username…
Every single decent Cisco-device on earth has the ability to make an CLI-user jump to another device with telnet or ssh. Except the ASA. I really wish that this feature could be added. Right now I am troubleshooting a firewall…
