- Redis commands:
PUBLISH SSH_CHANNEL connect|n # ex: PUBLISH SSH_CHANNEL connect|10
PUBLISH SSH_CHANNEL disconnect|listened_port # ex: PUBLISH SSH_CHANNEL disconnect|1080
PUBLISH SSH_CHANNEL current|~
PUBLISH SSH_CHANNEL clear|~
SUBSCRIBE SSH_CHANNEL_OK
# Receive:
# 1) "message"
# 2) "SSH_CHANNEL_OK"
# 3) "57835" -> Listened port.