Return-Path: william@bourbon.usc.edu Delivery-Date: Fri Sep 5 19:04:17 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 m8624H06012773 for ; Fri, 5 Sep 2008 19:04:17 -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 m8622exx007228 for ; Fri, 5 Sep 2008 19:02:40 -0700 Message-Id: <200809060202.m8622exx007228@bourbon.usc.edu> To: cs551@merlot.usc.edu Subject: Re: CS-551 warmup-1 Date: Fri, 05 Sep 2008 19:02:40 -0700 From: Bill Cheng Someone wrote: > While testing malicious client#2, my server detects that its and addr > request (msgtype=0xfe10) and shows a datalength filed of 0x10000 which > signifies that it has got a very large hostname to resolve. Then when it > tries to send back the 10 bytes of header with msgtype=0xfe12 to the client, > the client doesn't receive it and says "No data read".How can i debug this ? Did you server send a valid message back? -- Bill Cheng // bill.cheng@usc.edu