On 26 December 2014 at 11:40, Yousong Zhou <yszhou4t...@gmail.com> wrote: >> Here is my test result:cmp -b -l b1_WoT.0.9.4_cn_setup.944980-2.bin >> b2_WoT.0.9.4_cn_setup.944980-2.bin >> 456582373 261 M-1 110 H >> 456582374 44 $ 124 T > > It's binary data. I suspect your ISP has inserted any HTML elements > in it. Was it possible that this diff was caused by the website > serving different content for your requests?
Looks like the ISP was trying to do some cache work for you and HTTP header has slid into the downloaded file. I guess maybe you have to call your ISP for support... HTTP/1.1 302 Found Location: http://122.72.5.170:9090/data3/1/5/8e/8/ab687c973b490c7e8f4cd285e2188e51/static.flv.uuzuonline.com/20141125141149_57133flv HTTP/1.1 302 Found Location: http://122.72.5.162:909/data5/3/f/85/4/aac8eb450df593348c5adc6da4b485f3/xmp.down.sandai.net/XMPCore_4.9.16.2258.cab