OpenSSH ssh-agent uses protocol 1 as well as protocol 2 #8
Description
ssh-add -D sends SSH_AGENTC_REMOVE_ALL_IDENTITIES and then SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES (SSH_AGENT_reserved9 in the code).
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ssh-add -D sends SSH_AGENTC_REMOVE_ALL_IDENTITIES and then SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES (SSH_AGENT_reserved9 in the code).