[Bro-Dev] [Bro_Configuration]Problem with RPC Analyzer

Zakaria Hili zakahili at gmail.com
Tue Jan 5 23:52:30 PST 2016


I am working on a sniffer based on bro (for educational purpose) and I am
facing problems with the RPC Analyzer configuration.
In fact it is not activated by default on Bro:


Bro’s current default configuration does not activate the protocol analyzer
that generates thisevent; the corresponding script has not yet been ported
to Bro 2.x. To still enable this event, one needs to register a port for it
or add a DPD payload signature.

with regard to this Todo section in the Bro::RPC analyzer, i tried to
register a port for rpc and nfs with the following script:

const ports = {111/tcp, 111/udp, 747/udp, 759/tcp, 762/udp, 764/tcp,
redef likely_server_ports += {ports};

event bro_init() &priority=5
    Analyzer::register_for_ports(Analyzer::ANALYZER_NFS, ports);

event  nfs_proc_getattr(c: connection, info: NFS3::info_t, fh: string,
attrs: NFS3::fattr_t){
   print "hi";

but I have got this error:

944207397.280000 internal error: unknown analyzer name RPC; mismatch with
tag analyzer::Component?

Please could you help me with any hint to undrestand what I am supposed to
Thank you in advance.

Best Regards,
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