Memo
BW Server
ISM
BWMAgent

openssl s_client, ssh-keygen

OpenSSL s_client

$ openssl s_client -connect [host]:[port] [options]
    - [options]
        -no_ssl3, -no_tls1, -no_tls1_1, -no_tls1_2, -no_tls1_3, -ssl3, -tls1, -tls1_1, -tls1_2, -tls1_3, -dtls, -dtls1, -dtls1_2
        -4(IPv4), -6(IPv6)
        -cert [fileName]
        -cert_chain
        -key [fileName|URL]
        -pass [password]

openssl-s command

SSH, SFTP Priviate Key 생성

$ ssh-keygen -t rsa -f id_rsa -b 2048

-  jsch 로 SFTP 연결시 'com.jcraft.jsch.JSchException: invalid privatekey:'  오류
    >> ssh-keygen -t rsa -f id_rsa -b 2048 -m PEM (-m PEM 옵션 추가)