<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial">hi,<div>i have send a mail  to ask why server is not aware of client's disconnection, nor client side. both think the connection is good.</div><div> i test via unplug cable. look at result after unplug cable.</div><div>why is that? </div><div>thanks</div><div>server:     </div><div> <span style="line-height: 1.7;">tcp        0    392 192.168.5.240:5903          192.168.5.163:60029         ESTABLISHED 31315/qemu-kvm      </span></div><div>tcp        0      0 192.168.5.240:5903          192.168.5.163:60033         ESTABLISHED 31315/qemu-kvm      </div><div>tcp        0      0 192.168.5.240:5903          192.168.5.163:60028         ESTABLISHED 31315/qemu-kvm      </div><div>tcp        0      0 192.168.5.240:5903          192.168.5.163:60019         ESTABLISHED 31315/qemu-kvm      </div><div>tcp        0      0 192.168.5.240:5903          192.168.5.163:60027         ESTABLISHED 31315/qemu-kvm      </div><div>tcp        0      0 192.168.5.240:5903          192.168.5.163:60032         ESTABLISHED 31315/qemu-kvm      </div><div>tcp        0      0 192.168.5.240:5903          192.168.5.163:60031         ESTABLISHED 31315/qemu-kvm      </div><div>client:</div><div><div>tcp        0      0 192.168.5.163:60028     192.168.5.240:5903      ESTABLISHED 3915/window     </div><div>tcp        0      0 192.168.5.163:60031     192.168.5.240:5903      ESTABLISHED 3915/window     </div><div>tcp        0      0 192.168.5.163:60032     192.168.5.240:5903      ESTABLISHED 3915/window     </div><div>tcp        0      0 192.168.5.163:60033     192.168.5.240:5903      ESTABLISHED 3915/window     </div><div>tcp        0      0 192.168.5.163:60019     192.168.5.240:5903      ESTABLISHED 3915/window     </div><div>tcp        0      0 192.168.5.163:60027     192.168.5.240:5903      ESTABLISHED 3915/window     </div><div>tcp        0      0 192.168.5.163:60029     192.168.5.240:5903      ESTABLISHED 3915/window     </div></div></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>