Ethereal-dev: Re: [Ethereal-dev] Re: [Ethereal-cvs] cvs commit: ethereal NEWS ChangeLog
dce/rpc was exactly what I was thinking.
Current i use tethereal to capture live, and archive
just the info lines. Would it be possible to run it
on a live capture?
If not I can always stick with limited capture files.
Just an idea.
--- Ronnie Sahlberg <sahlberg@xxxxxxxxxxxxxxxx> wrote:
> Of course, it is actually even more useful for
> tethereal users since it can
> be scripted.
>
>
> tethereal -n -r foo.cap.gz -z rpc,rtt,100003,3
> Creates a text table after all other output similar
> to the png from
> ethereal.
> What the magic numbers 100003 and 3 refer to i leave
> as an excersise for the
> reader.
>
> or
>
> tethereal -n -r foo.cap.gz -z
> rpc,rtt,100003,3,nfs.fh.hash==0x12345678
> (for stats for a specific file, when filtering for
> nfs.fh.hash, dont
> forget to enable the nfs.fhandle_find_... option)
>
>
> For tethereal powerusers:
> This uses magic to create one RPC RTT stat for each
> and every NFS file that
> exists
> in the capture:
>
> tethereal -V -n -r foo.cap.gz | grep hash | sed -e
> "s/.*hash: //" | sort |
> uniq | while read HASH ;do
> tethereal -n -r foo.cap.gz -o
> "nfs.fhandle_find_bith_reqrep:TRUE" -z
> "rpc,rtt,100003,3,nfs.fh.hash==$HASH" | tail -27
> done
>
>
> This first scans the capture to find all filehandle
> hashses,
> then for each hash it calls tethereal again to
> generate rtt stats for that
> particular file.
>
> tethereal is called once for each hash. performance
> can be improved if it is
> rewritten to only call tethereal once here but with
> multiple -z commands.
> one -z for each hash.
>
>
> This is quite powerful and something i dont think
> any other tool can do.
>
>
>
> If you are getting ideas about DCE-RPC stats like
> this. Probably very easy
> to implement but first DCERPC must be enhanced to
> calculate and display the
> RTT as ONC-RPC does.
> This is trivial and probably consists of like 10-15
> lines basically copied
> from packet-rpc.c
>
> We could start generating stats for any interesting
> protocol this way. I
> started with ONCRPC since it was easiest and it
> would automagically cover
> some 20-25 interesting higher protocols.
> DCERPC would definitely be good to have.
> Then specific ones such as DNS, SMB,ARP,ICMP-echo,
> ...
>
>
> ----- Original Message -----
> From: "Jaime Fournier"
>
>
>
> > Looks very interesting.
> > Any way to generate this stuff from tethereal?
>
>
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=====
Jaime Fournier
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