Benno Evers created MESOS-9797: ---------------------------------- Summary: SSL Ciphersuite settings can break client TLS handshake Key: MESOS-9797 URL: https://issues.apache.org/jira/browse/MESOS-9797 Project: Mesos Issue Type: Improvement Environment: Ubuntu 18.04 w/ OpenSSL 1.1.0g Reporter: Benno Evers
Starting a mesos-agent with the following environment variables: {noformat} env GLOG_v=2 LIBPROCESS_SSL_ENABLED=true LIBPROCESS_SSL_ENABLE_DOWNGRADE=false LIBPROCESS_SSL_VERIFY_CERT=false LIBPROCESS_SSL_CERT_FILE=/etc/ssl/certs/ssl-cert-snakeoil.pem LIBPROCESS_SSL_KEY_FILE=/etc/ssl/private/ssl-cert-snakeoil.key LIBPROCESS_SSL_CIPHERS=ECDHE-PSK-AES128-CBC-SHA mesos-agent --work_dir=/tmp/xxxx --master=127.0.1.1:4447 --systemd_enable_support=false {noformat} caused a mesos-agent on my machine (using openssl 1.1.0g) to fail to send a ClientHello message after establishing a tcp connection to the given master, causing the TLS handshake to fail. Removing the `LIBPROCESS_SSL_CIPHERS=ECDHE-PSK-AES128-CBC-SHA` variable had the agent able to connect normally. The reason for this still needs to be investigated. -- This message was sent by Atlassian JIRA (v7.6.3#76005)