s:option(Value, "log_size", translate("System log buffer size"), "kiB").optional = true
s:option(Value, "log_ip", translate("External system log server")).optional = true
+s:option(Value, "log_port", translate("External system log server port")).optional = true
s:option(Value, "conloglevel", translate("Log output level")).optional = true
s:option(Value, "cronloglevel", translate("Cron Log Level")).optional = true