If the ntop host is underpowered or monitoring a very busy network, you may wish toĭisable protocol decoding via this parameter. This support is specifically coded for each protocol and is different from the capability to count raw information (packets and bytes) by protocol specifiedīy the -p | -protocols parameter, below.ĭecoding protocols is a significant consumer of resources. Protocol decoders examine and collect information about layer 2 protocols such as NetBIOS or Netware SAP, as well as about specific tcp/ip (layer 3) b | -disable-decoders This parameter disables protocol decoders. In prior releases it was erroneously called -access-log-path. Time (in milliseconds) that ntop needed to serve the request. The only difference between Apache and ntop logs is that an additional column has been added which has the
Location of the file where these HTTP requests are logged.Įach log entry is in Apache-like style. Use this parameter to request logging and to specify the a | -access-log-file By default ntop does not maintain a log of HTTP requests to the internal web server. These changes take effect on the next run of and on each However, options that set a value, such as -trace-level, will use the LAST value given: -trace-level 2 -trace-level 3 will run as -trace-level 3.īeginning with 3.1, many command-line options may also be set via the web browser interface. Invoking them multiple times doesn't change ntop's behavior. Remember, most ntop options are "sticky", that is they just set an internal flag. Nested (an inside the file) are not permitted. '-d', then the effective command line is -t 3 -d -u ntop. For example, if the command line is "-t 3 -u ntop" and file d contains just the line ntop behaves as ifĪll of the text had simply been typed directly on the command line. arp, rarp) are combined for a complete picture of networkĬommand-line The text of filename is copied - ignoring line breaks and comment lines (anything following a #) - into the command line.
ntop is capable of associating the two, so that ip and non-ip traffic (e.g. Ntop is a hybrid layer 2 / layer 3 network monitor, that is by default it uses the layer 2 Media Access Control (MAC) addresses AND the layer 3
A web browser is needed to access the information captured by the ntop program. ntop may operate as a front-end collector (sFlow and/or netFlow plugins) or as a stand-aloneĬollector/display program. Non-IP) traffic generated and received by each host. It displays a list of hosts that are currently using the network and reports information concerning the (IP and
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