def METHOD_NAME(self):
    """
    This is the pre-login banner. The post-login banner is the MOTD file
    Display contents of <honeyfs>/etc/issue.net
    """
    if self.bannerSent:
        return
    self.bannerSent = True
    try:
        issuefile = CowrieConfig.get("honeypot", "contents_path") + "/etc/issue.net"
        with open(issuefile, "rb") as issue:
            data = issue.read()
    except OSError:
        return
    if not data or not data.strip():
        return
    self.transport.sendPacket(userauth.MSG_USERAUTH_BANNER, NS(data) + NS(b"en"))