C＃如何强制重用经过身份validation的Http连接？
我无法重复使用我的Http连接。 HttpWebRequest.KeepAlive设置没有区别。 我发现这篇文章说如果你有NTLM身份validation，那么使用UnsafeAuthenticatedConnectionSharing = true。
所以我将它设置为true并且仍然具有相同的TCP连接群，并且没有类似于重用..
有什么想法吗？
对不起，我不知道什么是pastebin。 这是日志的片段我做了2次调用服务。 出于某种原因的第一次呼叫是在没有身份validation的情 响应是未授权和连接：关闭。 然后它由系统重新提交，但不再保持活动状态，响应正常，但仍然是Connection：Close。 不幸的是，出于安全原因，我无法粘贴整个日志。
System.Net Information: 0 : [5988] Associating HttpWebRequest#64923656 with ConnectStream#51393439 System.Net Information: 0 : [5988] HttpWebRequest#64923656 - Request: GET /v1.0/xxxxxx/xxxx/ HTTP/1.1 System.Net.Sockets Verbose: 0 : [5988] Socket#52727599::Send() System.Net.Sockets Verbose: 0 : [5988] Data from Socket#52727599::Send System.Net.Sockets Verbose: 0 : [5988] 00000000 : ... System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#52727599::Send() -> 103#103 System.Net Information: 0 : [5988] ConnectStream#51393439 - Sending headers { Host: xxxxxxxxxxxxxx Connection: Keep-Alive }. System.Net.Sockets Verbose: 0 : [5988] Socket#52727599::Receive() System.Net.Sockets Verbose: 0 : [5988] Data from Socket#52727599::Receive System.Net.Sockets Verbose: 0 : [5988] 00000000 : 48 54 54 50 2F 31 2E 31-20 34 30 31 20 55 6E 61 : HTTP/1.1 401 Una System.Net.Sockets Verbose: 0 : [5988] 00000010 : 75 74 68 6F 72 69 7A 65-64 0D 0A 44 61 74 65 3A : uthorized..Date: System.Net.Sockets Verbose: 0 : [5988] 00000020 : 20 54 75 65 2C 20 30 36-20 4A 75 6C 20 32 30 31 : Tue, 06 Jul 201 System.Net.Sockets Verbose: 0 : [5988] 00000030 : 30 20 30 38 3A 34 34 3A-31 33 20 47 4D 54 0D 0A : 0 08:44:13 GMT.. System.Net.Sockets Verbose: 0 : [5988] 00000040 : 53 65 72 76 65 72 3A 20-41 70 61 63 68 65 2D 43 : Server: Apache-C System.Net.Sockets Verbose: 0 : [5988] 00000050 : 6F 79 6F 74 65 2F 31 2E-31 0D 0A 57 57 57 2D 41 : oyote/1.1..WWW-A System.Net.Sockets Verbose: 0 : [5988] 00000060 : 75 74 68 65 6E 74 69 63-61 74 65 3A 20 44 69 67 : uthenticate: Dig System.Net.Sockets Verbose: 0 : [5988] 00000070 : 65 73 74 20 72 65 61 6C-6D 3D 22 xx xx xx xx xx : est realm="xxxxx System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#52727599::Receive() -> 689#689 System.Net Information: 0 : [5988] Connection#17654054 - Received status line: Version=1.1, StatusCode=401, StatusDescription=Unauthorized. System.Net Information: 0 : [5988] Connection#17654054 - Received headers { Connection: close Accept-Ranges: bytes Content-Length: 312 Content-Type: text/html;charset=ISO-8859-1 Date: Tue, 06 Jul 2010 08:44:13 GMT Server: Apache-Coyote/1.1 WWW-Authenticate: Digest realm="xxxxxxxxx", domain="null", qop="auth", algorithm=MD5, nonce=xxxxx }. System.Net Information: 0 : [5988] ConnectStream#26756241::ConnectStream(Buffered 312 bytes.) System.Net Information: 0 : [5988] Associating HttpWebRequest#64923656 with ConnectStream#26756241 System.Net Information: 0 : [5988] Associating HttpWebRequest#64923656 with HttpWebResponse#23264094 System.Net Information: 0 : [5988] Enumerating security packages: System.Net Information: 0 : [5988] Negotiate System.Net Information: 0 : [5988] NegoExtender System.Net Information: 0 : [5988] Kerberos System.Net Information: 0 : [5988] NTLM System.Net Information: 0 : [5988] Schannel System.Net Information: 0 : [5988] Microsoft Unified Security Protocol Provider System.Net Information: 0 : [5988] WDigest System.Net Information: 0 : [5988] TSSSP System.Net Information: 0 : [5988] pku2u System.Net Information: 0 : [5988] LiveSSP System.Net Information: 0 : [5988] CREDSSP System.Net Warning: 0 : [5988] HttpWebRequest#64923656::() - Resubmitting request. System.Net.Sockets Verbose: 0 : [5988] Socket#52727599::Dispose() System.Net Information: 0 : [5988] Associating HttpWebRequest#64923656 with ServicePoint#44624228 System.Net Information: 0 : [5988] Associating Connection#14303791 with HttpWebRequest#64923656 System.Net.Sockets Verbose: 0 : [5988] Socket#49584532::Socket(InterNetwork#2) System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#49584532::Socket() System.Net.Sockets Verbose: 0 : [5988] Socket#19699911::Socket(InterNetworkV6#23) System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#19699911::Socket() System.Net.Sockets Verbose: 0 : [5988] Socket#49584532::Connect(218:18080#-628863380) System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#49584532::Connect() System.Net.Sockets Verbose: 0 : [5988] Socket#19699911::Close() System.Net.Sockets Verbose: 0 : [5988] Socket#19699911::Dispose() System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#19699911::Close() System.Net Information: 0 : [5988] Associating HttpWebRequest#64923656 with ConnectStream#2389992 System.Net Information: 0 : [5988] HttpWebRequest#64923656 - Request: GET /v1.0/xxxxxxxxxxxxxxxx/ HTTP/1.1 System.Net.Sockets Verbose: 0 : [5988] Socket#49584532::Send() System.Net.Sockets Verbose: 0 : [5988] Data from Socket#49584532::Send System.Net.Sockets Verbose: 0 : [5988] 00000000 : 47 45 54 20 2F 76 31 2E-30 2F 64 65 61 6C 73 2F : GET /v1.0/xxxxx/... ... System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#49584532::Send() -> 394#394 System.Net Information: 0 : [5988] ConnectStream#2389992 - Sending headers { Authorization: Digest username="xxxx",realm="xxxxxxx",nonce=xxxxxxxx Host: xxxxxxxxxxxxxxxxx }. System.Net.Sockets Verbose: 0 : [5988] Socket#49584532::Receive() System.Net.Sockets Verbose: 0 : [5988] Data from Socket#49584532::Receive System.Net.Sockets Verbose: 0 : [5988] 00000000 : 48 54 54 50 2F 31 2E 31-20 32 30 30 20 4F 4B 0D : HTTP/1.1 200 OK. .... System.Net.Sockets Verbose: 0 : [5988] Exiting Socket#49584532::Receive() -> 337#337 System.Net Information: 0 : [5988] Connection#14303791 - Received status line: Version=1.1, StatusCode=200, StatusDescription=OK. System.Net Information: 0 : [5988] Connection#14303791 - Received headers { Vary: Accept-Charset,Accept-Encoding,Accept-Language,Accept Connection: close Accept-Ranges: bytes Content-Length: 87 Content-Type: text/plain;charset=ISO-8859-1 Date: Tue, 06 Jul 2010 08:44:13 GMT Server: Apache-Coyote/1.1 }. 测试代码：
HttpClient hc = new HttpClient(); hc.TransportSettings.Credentials = new NetworkCredential("xxxx", "xxxx"); hc.TransportSettings.ConnectionTimeout = TimeSpan.FromMilliseconds(timeout); Uri url = new Uri(rest); string data = string.Empty; // 1 HttpResponseMessage resp = hc.Get(url); data = (resp.StatusCode == HttpStatusCode.Forbidden || resp.StatusCode == HttpStatusCode.NotFound) ? string.Empty : resp.Content.ReadAsString(); resp.Dispose(); // 2 resp = hc.Get(url); data = (resp.StatusCode == HttpStatusCode.Forbidden || resp.StatusCode == HttpStatusCode.NotFound) ? string.Empty : resp.Content.ReadAsString();