new file mode 100644
--- /dev/null
+++ b/src/main/java/org/monetdb/mcl/net/Parameter.java
@@ -0,0 +1,81 @@
+package org.monetdb.mcl.net;
+
+
+public enum Parameter {
+    TLS("tls", ParameterType.Bool, false, "secure the connection using TLS", true),
+    HOST("host", ParameterType.Str, "", "IP number, domain name or one of the special values `localhost` and `localhost.`", true),
+    PORT("port", ParameterType.Int, -1, "Port to connect to, 1..65535 or -1 for 'not set'", true),
+    DATABASE("database", ParameterType.Str, "", "name of database to connect to", true),
+    TABLESCHEMA("tableschema", ParameterType.Str, "", "only used for REMOTE TABLE, otherwise unused", true),
+    TABLE("table", ParameterType.Str, "", "only used for REMOTE TABLE, otherwise unused", true),
+    SOCK("sock", ParameterType.Path, "", "path to Unix domain socket to connect to", false),
+    SOCKDIR("sockdir", ParameterType.Path, "/tmp", "Directory for implicit Unix domain sockets (.s.monetdb.PORT)", false),
+    CERT("cert", ParameterType.Path, "", "path to TLS certificate to authenticate server with", false),
+    CERTHASH("certhash", ParameterType.Str, "", "hash of server TLS certificate must start with these hex digits; overrides cert", false),
+    CLIENTKEY("clientkey", ParameterType.Path, "", "path to TLS key (+certs) to authenticate with as client", false),
+    CLIENTCERT("clientcert", ParameterType.Path, "", "path to TLS certs for 'clientkey', if not included there", false),
+    USER("user", ParameterType.Str, "", "user name to authenticate as", false),
+    PASSWORD("password", ParameterType.Str, "", "password to authenticate with", false),
+    LANGUAGE("language", ParameterType.Str, "sql", "for example, \"sql\", \"mal\", \"msql\", \"profiler\"", false),
+    AUTOCOMMIT("autocommit", ParameterType.Bool, false, "initial value of autocommit", false),
+    SCHEMA("schema", ParameterType.Str, "", "initial schema", false),
+    TIMEZONE("timezone", ParameterType.Int, null, "client time zone as minutes east of UTC", false),
+    BINARY("binary", ParameterType.Str, "on", "whether to use binary result set format (number or bool)", false),
+    REPLYSIZE("replysize", ParameterType.Int, 200, "rows beyond this limit are retrieved on demand, <1 means unlimited", false),
+    FETCHSIZE("fetchsize", ParameterType.Int, null, "alias for replysize, specific to jdbc", false),
+    HASH("hash", ParameterType.Str, "", "specific to jdbc", false),
+    DEBUG("debug", ParameterType.Bool, false, "specific to jdbc", false),
+    LOGFILE("logfile", ParameterType.Str, "", "specific to jdbc", false),
+
+    ;
+
+    public final String name;
+    public final ParameterType type;
+    public final Object defaultValue;
+    public final String description;
+    public final boolean isCore;
+
+    Parameter(String name, ParameterType type, Object defaultValue, String description, boolean isCore) {
+        this.name = name;
+        this.type = type;
+        this.isCore = isCore;
+        this.defaultValue = defaultValue;
+        this.description = description;
+    }
+
+    public static Parameter forName(String name) {
+        switch (name) {
+            case "tls": return TLS;
+            case "host": return HOST;
+            case "port": return PORT;
+            case "database": return DATABASE;
+            case "tableschema": return TABLESCHEMA;
+            case "table": return TABLE;
+            case "sock": return SOCK;
+            case "sockdir": return SOCKDIR;
+            case "cert": return CERT;
+            case "certhash": return CERTHASH;
+            case "clientkey": return CLIENTKEY;
+            case "clientcert": return CLIENTCERT;
+            case "user": return USER;
+            case "password": return PASSWORD;
+            case "language": return LANGUAGE;
+            case "autocommit": return AUTOCOMMIT;
+            case "schema": return SCHEMA;
+            case "timezone": return TIMEZONE;
+            case "binary": return BINARY;
+            case "replysize": return REPLYSIZE;
+            case "fetchsize": return FETCHSIZE;
+            case "hash": return HASH;
+            case "debug": return DEBUG;
+            case "logfile": return LOGFILE;
+            default: return null;
+        }
+    }
+
+    public static boolean isIgnored(String name) {
+        if (Parameter.forName(name) != null)
+            return false;
+        return name.contains("_");
+    }
+}