On 7 Dec 2011, at 10:54, Rui Hu wrote: > Hi, > I want to modify apache core to implement a function which can achieve > following expectations:
That's a simple task for a simple module. Since you talk of modifying the core, I infer you're not familiar with the modular structure. If I might indulge in a bit of self-promotion, a startingpoint for this is ISBN: 0-13-240967-4 (also http://www.apachetutor.org/ ) -- Nick Kew