Agent Forwarding

• https://vincent.bernat.ch/en/blog/2020-safer-ssh-agent-forwarding
• https://security.stackexchange.com/questions/101783/are-there-any-risks-associated-with-ssh-agent-forwarding
• https://heipei.io/2015/02/26/SSH-Agent-Forwarding-considered-harmful/

Bastion hosts:

• https://www.redhat.com/sysadmin/ssh-proxy-bastion-proxyjump
• https://medium.com/kernel-space/why-using-ssh-agent-forwarding-is-a-bad-idea-6cbdff31bbee