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SSH 関連覚え書き

Last updated at Posted at 2015-10-20

サポートしている cipher, mac, key exchange の確認

% ssh -Q cipher
% ssh -Q mac
% ssh -Q kex

ssh のデバッグ

% ssh -vvv -o LogLevel=DEBUG3

これが最強?

% ssh -c aes256-gcm@openssh.com -m umac-128-etm@openssh.com -o KexAlgorithms=curve25519-sha256@libssh.org target-host

Chipers, MACs の設定文字列生成

% ssh -Q cipher |grep -v cbc |tr '\n' ,

その他

  • etm: encrypt-then-mac
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