# === 私鑰 — 絕對不可提交 ===
id_rsa
id_ecdsa
ecdsa-key-*
google_compute_engine
*.pem

# === 動態 / 暫存檔案 ===
known_hosts
known_hosts.old
google_compute_known_hosts
sockets/

# === 公鑰（選擇性排除，取消註解即可追蹤） ===
# *.pub