Return-Path: william@bourbon.usc.edu Delivery-Date: Mon Sep 8 23:21:30 2008 X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on merlot.usc.edu X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.2.3 Received: from bourbon.usc.edu (bourbon.usc.edu [128.125.9.75]) by merlot.usc.edu (8.14.1/8.14.1) with ESMTP id m896LUsS032441 for ; Mon, 8 Sep 2008 23:21:30 -0700 Received: from bourbon.usc.edu (localhost.localdomain [127.0.0.1]) by bourbon.usc.edu (8.14.2/8.14.1) with ESMTP id m896Kduf017253 for ; Mon, 8 Sep 2008 23:20:39 -0700 Message-Id: <200809090620.m896Kduf017253@bourbon.usc.edu> To: cs551@merlot.usc.edu Subject: Re: 2 questions about grading guideline Date: Mon, 08 Sep 2008 23:20:39 -0700 From: Bill Cheng Someone wrote: > I have 2 questions about grading guideline: > > 1. What's the exact reason "server 80 is a bad port"? Because it's a > well-known port or it's being used? You don't have permissions to use that port. You need to be root to use this as a well-known port. > In other words, should I check the > port is bigger than 1024 or should I check whether this port is in use? Please see my message with timestamp "Mon 08 Sep 23:15". > 2. About this client request "client adr -m localhost:$port > 24.126.245.103", what should server reply? Should it answer "the ip > address of 24.126.245.103 is 24.126.245.103"? Sure! -- Bill Cheng // bill.cheng@usc.edu