Hello some of the web site could not loading Or slowly loading But the download and upload speed is good There is only problem in opening web pages I realized the problem DTLS I closed DTLS connecting With TLS page load problem was solved But TLS Not Good One other thing I connected with the DTLS Then I use a proxy Everything was so good after use Proxy Web pages loading, download, upload, ... I do not know why But after connecting DTLS And the use of proxy The problem is solved Also My connection is this : DTLS RSA_AES_128_SHA1 (Fedora 20 64Bit , gnutls-devel-3.2.10 ) Maybe the problem is DTLS V 0.9 Also DTLS V 1.2 not works for me Alex