[nsp] NBAR, Gnutella and 'match protocol http url'

[rpcbind at speakeasy.net]

> Since the 12.2.(15)T1 release we've been getting excellent, reliable 
> results using NBAR to manage T1 (single and multilink) utilization on 
> 2620s that serve multi-tenant unit buildings.  These apartments 
> mostly house college students and they hammer the circuit with every 
> p2p and broadband app in existence. 

> The built-in PDLMs don't handle everything but with some careful packet
> analysis, the custom PDLMs we've added have done a great job.

AFAIK, all the Cisco-provided PDLM's have been integrated into 12.2(15)T1 -- 
are you actually writing your own? If so, where were you able to find the 
spec?