I created a Blazor application with Windows authentication and hosting with Kestrel/Negotiate following the steps. (https://docs.microsoft.com/en-us/aspnet/core/security/authentication/windowsauth?view=aspnetcore-3.0&tabs=visual-studio#kestrel)
Create Blazor app with Windows Authentication
Create a Blazor application using Visual Studio 2019 (16.4.0). (Windows Authentication, https)
Support Windows Authentication using Negotiate and Kerberos
Following the steps to make all work when running using Kestrel.
- Import
NuGet package Microsoft.AspNetCore.Authentication.Negotiate - Add the following code in ConfigureService() in Startup.cs.
services.AddAuthentication(NegotiateDefaults.AuthenticationScheme).AddNegotiate();
- Add the following code in
Configure()inStartup.cs. They are added betweenapp.UseRouting();andapp.UseEndpoints(...;
app.UseAuthentication();
app.UseAuthorization();
Windows Authentication not working. Add middleware ValidateAuthentication
It still doesn't work with Windows Authentication until the answer from this question is applied.
- Add this in your Configure method:
app.UseMiddleware<ValidateAuthentication>();
- Here is the middleware itself:
internal class ValidateAuthentication : IMiddleware
{
public async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
if (context.User.Identity.IsAuthenticated)
await next(context);
else
await context.ChallengeAsync();
}
}
- And in ConfigureServices :
services.AddSingleton<ValidateAuthentication>();
Now it works on the local PC.
And the following code is added to CreateHostBuilder() in Program.cs for remotely.
webBuilder.UseUrls(new string[] { "https://*:5001", "http://*:5000" });
Not work on another computer!
However, it pops up a window for the user name/password (it's Windows authentication and shouldn't ask for it again) and gets the following error on my company computer.
When trying at home PCs, it just shows the following message without popup window for username/password.
The output window shows
Request starting HTTP/1.1 GET https://mymachinename:5001/
info: Microsoft.AspNetCore.Authentication.Negotiate.NegotiateHandler[0]
None
info: Microsoft.AspNetCore.Authentication.Negotiate.NegotiateHandler[1]
Incomplete Negotiate handshake, sending an additional 401 Negotiate challenge.
info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
Request finished in 5.3618ms 401
info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
Request starting HTTP/1.1 POST https://MyMachineName:5001/_blazor?id=5PKkHuIU8OTq2i8tGbkP0A text/plain;charset=UTF-8 3
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[0]
Executing endpoint '/_blazor'
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
Executed endpoint '/_blazor'
info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
Request finished in 5.6983ms 200 text/plain
info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
Request starting HTTP/1.1 POST https://MyMachineName:5001/_blazor?id=5PKkHuIU8OTq2i8tGbkP0A text/plain;charset=UTF-8 3
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[0]
Executing endpoint '/_blazor'
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
Executed endpoint '/_blazor'
info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
Request finished in 5.331ms 200 text/plain
info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
Request starting HTTP/1.1 GET https://MyMachineName:5001/
fail: Microsoft.AspNetCore.Authentication.Negotiate.NegotiateHandler[5]
An exception occurred while processing the authentication request.
System.InvalidOperationException: An anonymous request was received in between authentication handshake requests.
at Microsoft.AspNetCore.Authentication.Negotiate.NegotiateHandler.HandleRequestAsync()
fail: Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware[1]
An unhandled exception has occurred while executing the request.
System.InvalidOperationException: An anonymous request was received in between authentication handshake requests.
at Microsoft.AspNetCore.Authentication.Negotiate.NegotiateHandler.HandleRequestAsync()
at Microsoft.AspNetCore.Authentication.Negotiate.NegotiateHandler.HandleRequestAsync()
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)
info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
Request finished in 80.1697ms 500 text/html; charset=utf-8
info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
Request starting HTTP/1.1 POST https://MyMachineName:5001/_blazor?id=5PKkHuIU8OTq2i8tGbkP0A text/plain;charset=UTF-8 3
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[0]
Executing endpoint '/_blazor'
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
Executed endpoint '/_blazor'
info: Microsoft.AspNetCore.Hosting.Diagnostics[2]
Request finished in 11.6024ms 200 text/plain
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
Executed endpoint '/_blazor'
info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
Request starting HTTP/1.1 POST https://MyMachineName:5001/_blazor?id=5PKkHuIU8OTq2i8tGbkP0A text/plain;charset=UTF-8 3
I got the prompt when capturing the network traffice
Session #13: The server (us005) presented a certificate that did not validate, due to RemoteCertificateNameMismatch, RemoteCertificateChainErrors. 0 - A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider. SAN: localhost SUBJECT: CN=localhost ISSUER: CN=localhost This warning can be disabled by clicking Tools > Options.
It asks for username/password after I chose ignore the warning. Why it asks for username/password?
The sessions before popup the username/password:
GET https://us005:8091/ HTTP/1.1 Host: us005:8091 Connection: keep-alive Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36 Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3 Sec-Fetch-Site: none Accept-Encoding: gzip, deflate, br Accept-Language: en-US,en;q=0.9 HTTP/1.1 401 Unauthorized Date: Fri, 06 Dec 2019 23:11:38 GMT Server: Kestrel Content-Length: 0 WWW-Authenticate: Negotiate Strict-Transport-Security: max-age=2592000 Proxy-Support: Session-Based-Authentication ------------------------------------------------------------------ GET https://us005:8091/ HTTP/1.1 Host: us005:8091 Connection: keep-alive Cache-Control: max-age=0 Authorization: Negotiate YIIUvQYGKwYBBQUCoIIUsTCCFK2gMDAuBgkqhkiC9xIBAgIGCSqGSIb3EgECAgYKKwYBBAGCNwICHgYKKwYBBAGCNwICCqKCFHcEghRzYIIUbwYJKoZIhvcSAQICAQBughReMIIUWqADAgEFoQMCAQ6iBwMFACAAAACjghJtYYISaTCCEmWgAwIBBaETGxFHQkwuQUQuSEVEQU5JLk5FVKIwMC6gAwIBAqEnMCUbBEhUVFAbHXVzd2xscHJpMDA1LmdibC5hZC5oZWRhbmkubmV0o4ISFTCCEhGgAwIBEqEDAgE/ooISAwSCEf8SPyfVTTIyEghWZnkJmimTadjkmX2k7PMXqFzw5igbGi0rxsNo9kBfA7dXq1NrSCgXDM5moPXdON//Tr6FjxeSkgPd7CTgZCsg8/65iMbkcK9QcbP7taholjBVJDNF810PrsS7jLsIPodS7frM4KTGSXTfrItoCXt0HwVhhQnF81ajnV/MIKoUokDJtJVRlGKurK078JM2Wvik6JAkgj35Xstr4rEbgs6a4SnYGBKiIpFErnNOmYZyL8LyZ4RS09UwJ9jboMIHmKOTG/8ZwuKHoA8G1I/lFc44xoKnz9OqboYr6x9UsnooIZAgYxZ43oO1P+B6xwwu7qgOFPSSW+GSJdErlQYKJP5L9CI1d+jJhgnw9bxqVBT30B055DQYyM0UXWTwHx8TeyIf2rhVsqtvxpiEVXx1F6zB9IpU9770fu4orK6IDowTGOxGuYexl39kdfpweJarJjSQ7cmXOrs7FnZHUVgR6N+OpEoRExAoNEfgqjDE5+HlhbXQ7FQSkOHXN82bdEzSM9ER4EvHCK25vycKyNmyTpwwdC3qSnF6HKYKRAlUt+jCtM8WeKfrrjoripVMFxaBrb6wHGNemGXC7VbJxDBIv/3UVQDWlBSjygkjjhXSWVLCzJRoyGwTII+zIj86O6URFzXpNk5QD2estXKpszMGLRqcl/5kDycjbhw+s/izB3T3hreQPEALhTK+qBy78R6AHNaR/NP7ErVALUoT28Dx1829DLooVaNZ6f9dhbpj9oMe9msLHv/VQr2ychKZdB6meL0j+I+zrVS1krus42BxOcHEbfj3zb22nf2jR5fL94GPaWH/E5WoYEC/NAAIqpI/AAxwtLBTL8dJN9PvwIhMRIUhncnt+6bTpcEK4WGRwwFDQ92pKJMfdwpQU+SULlYIT7Jl+Ew+UlelxAGEM3YcYVanSZOYmtKUFSrj9B8ro+So9A/0Nal0y5+ULhKBOgH/TA8Luc2Dkq5blHEnG5uH1zHwjgcAcBd0WKzY75aX2lXCyM74wobJh2Gkp7Gij1cyzOeNTMUxmmvzFztNhKq8ENhWNY88AExAopaxujA/1smq2QjgreDNRhOi4aDAMbCdCY1UJbfgVWq8qc228cn74WndySUf+Xu0anJW+2DB8i9FxEje0hYEU2MGzFWms1nanHh2KTh/veEEts8gpcnO8fIqTg9Vdf+n9VNY/GedLGxtwFERozvVzKRrTS1alOBs613xzkJtiCtV7VbiPSDv8PjwOVXlfBY3Xqcf/r06KlIc7JrAMNvE5lA2MpqKvJlrCpLNCZFSx/areR9NniZdCWe9hiwnM72oyZdrM7itB56dkiNAIEMwUWpQLMznDMeYG4b37ysCMcm9YlRP++uqYYsfGjVQTwVeoiH2CfdFdyiFTs6zvRFjDC81Qa3jf1V7xbCKSY0OxZcrC04GpOvEuVb/csixFHvXTfqtVBs/p78iLRGfmNSe1maMHiY9Y5vDXBmybs9IfATT5tZoImy6VKMNb/G1eigcbPJIBujUgxJ8urxIfALoFrqjIRJPwzX0WOAs9rL4GgUtaods1J1G+VmjJGBCNCqKyKPcNTtWkDpL8ll9CzQ7cziAd3ezh/V7vtDEzjbPO8gz82Ee6j+GoVP/Jr2KvAOCjz6igZYExRQDITd2D2bj09VSC7PUNuBfdPuBWjOOWMAuKGpISBQAV/V2CpriDui1wDKQLYIcdfJF2fMzaAbWWy52DtEDM7Tu+pXdZKpLSXHYjX1GOBE6W0SMmF1ryf27wCGe3PciPg3GkvBV9XitmJp/EQieAtKr0SXNbe/JDTFwRra4fymwoPEiW3iCyUv7dNMX207YLzyxbGehOjTrcOwZQY7ssCGOqea0OcmMHJ0KFBp76N4qtJhNP1okUtxxv7kNUZWiYTCXt8kZVTkbHcPreVVEzJWD8ysH7QLNLrimkn1WE0On1Aju2WrlmaVq7K5zHEq3uDPL3nRIo/6jGEWmy2gSmK3f+n+GYhZ9xlmV/mmvHt8b3dnmkQqA3quj4pi19joBGaYh4HNCerhiRomaOYFGpEYpR2RIysmttMbhRsBiM46MQA4TdJDFQ9/iQPkUDdVr807sZfoIy82ulgjM7zjMm+l+JBNC48QnDBJnRG2G9gDg0PHsA7hpmKvSjLumNOjcktu9BaY+dyaApsUnfCyL/bwC7yZ0Z0YK2X/f74etGd0QGb1zQJrOINAItLVvWTkPoV3Bjo0T5BA2EluZIGMsyXW0i1Rco6KxJuikJzBQQ4Fqk0Q0vxY/zMcuZX8ojrdiZj0pU8YSrE0ucnBTuW+pOUyrtiZ9E2Oc205qjoGPvS9bJkuuYwO0FtpQw1StLt5L8/TDsddOymDPesVn4oD0SCirfVomElCjG9nmMOQIAjBh/H9zaKObz2CzkgXs4GaB2NkumkFge/kLml7ILsak5fofgjnkBniiCf+9fzoudmgQcq0eIX9DGeAbvku1UTrr1avy6qbeJtRPTO1vKQ/JcKFjKxTSNArgxoh/Lq5u/Vj3G314Kr9327zP2L87BYpTMp1Y9EHRJ+Ov/Qr2qw3QuVcreU27OcidkN8F1vQT16gPG15Eqa+89P67OrrxJLaExOpxeKRmyYtfnvW0IN9pdLjgpA/4hNDkxAE/SrXa/Res8wkjtqeBP3WCVALG4qfGQSRAxn2MMBTni/kWSbBq8Ve2luSdJDYyCvMzmdXzocwSs3rGgn+jVxkoqr31gHZsiRB6GOM8wReT2gTRwGsqmivTvh/dxguz/BCTUp64uDgUBH2Det2PqECRs8EyRz9VTNt6vjBdcLj5cltD/eX/8TpY0WkIId5Hfucs7vKxrsG94xGzo+/3r9OWedEASicg61JPgO0NHYL8kuH2IuTFua2RUG0mOMkL8cCbbE7SY5qrlk8OR4xUW1AbPUwMy8pMx7r2KMye+0dpwZcIhuz9IzpknROQaSEwaUaIiLqs+GPCdX0KtCKlZ3DCmjdGVPMFS3cGSvhh3djqhIVBvnd8M8+bWH+20TRVfrOpVG2eHEwLlYAbTbZE25d3HdLPbazLXNv9osR/Ac7bvu7iuu3L0Q4mnOfb7Pw8Yq7K/85hqXZbu8flvc0ewGXylSeio4ra/UG+f7uEeuAC4qOR49VGnHajhkkUAFwOs13qrGrwmT2dv58tUm3E7XnI9UerZGd0KeDQ5M1VIggttn3GdOo2f51XI8DxEFUSNvi3Zm63TFRtjQJgGqWd020ado19zKNVMtSLN8ZmpgoN0JxGwogeK560xFMENkWI94gC2ODU5W9ktIy9ZHqqSAtrRN/IwLtxwcv3aSjjRxlA2igAZVEO1jwXb1okH7WI1GhYB8Ln103l3U1Bxmeg8BwjpjH+roPMUCbkBsKP1L1ITKrgq0hHddnHVsIeITuBS81ycq/xzLu00ya+HK3Pt22z6hP2k2ismjz0hw5Vm/20lZMmSMl4/jxjLi5IN4KxYEc/yve6tmB/bMne5G57sXQuGu8muFE8AnWwuis6alnxiCKt0mbSJ27rMFt3SqiLjNQiSayIIVtuZMMCCKlPSqvurIpqWTA4ZNougULazbt7qviOOVUv2WgcnlufbZVbSGN8ukZYWSwHqvyumsUwhoxpgvGqwheb+GVuDXfOqdQoqhmFYyyJr8WI33SyFz6/jjSydYiBeWKD5Fz2frCsHzBkqib9afcYpzhvv7/8x550udAuFvL+Z1/kyLlzf0ZpnN9xfJs1izEYwKLZEAbve4rEiQLS1fupMufsrvPIWzj4V2Zy+/GpX0kVifY9f0I8HWj8cTB1f3VB51qNiFXAqPKpAHixhnh3WU6WQl9Y56+tEmTuY9NPSUNmkDL3isBZNjWKltNZ12aYvYXHbgysP1yz+AtSWYm/+ytFIIsYRq6NtQ4jJiRKpq6hLz7uI/eOZ4jVINo1X2T3gN7y7xXNemGCNIOt3qdSw9XQnpobw8R0PIFHltbiZvJHmpL6e6yQDeVyxP/gVZNexC7hWu3yKi0Cf5XnnuBvYrzHwgFTdBTyO2xSXn49Tllmc/Jn76E6nqVcOXN056jdareX9OCFNFhR4tnjcEL0lzSEvHcVkj9BGfNcBYQyj70nXk35z4697CMn9lCR0tDb+hHhkLTBACENQJB5eTGIdlm1VM65GYKmvE+Nwh0I4rtjVucdxi+23v+6sxkOq9qmQG7zekVKsR//MayuN8eaCe6vYYAxACrLwTmq3hMYlnFDF8Lct0aEm7jDUaFQCVDxy0sgqimP+pBfbj2gpm9r1dZ45o8aWSulRJ0hGWTduHwWGpb6BWjPLeaBlyR2ZHJD5vyxTjtZirl9+YwEYXdKh4zMm3B+AMUbO68rX63fUogEEz/p7dolcEkHQoC5zdjb+bOy9vqhm5JJxUnWExNhK/V9eBJPH2XV2pAJUyj0x4T7gefMu0nXQM56fY3RFf62YYM1thsyhe9wV3ei3JDwZi3ZJ2UM3iW0gLjHD+/HJXzaLPZptvkNwbAKxO0xLq0ZhdAR8pU9chCB/o+jiKYUpdrF0ZxoWIJo7r1LLkP77heFsOJpf/rkq145GHD7KgglJtnxXh7XI3m5mpnWlZmYRD9TqyIO9vOZhgN8rJNKppSqDzmaQsYihM4xcKjBj2DDxSYXpxseC1ACmU0N072h7fP4JgmegoavlL3JBaJrImltwpuZMqy6seYGL8woQpvZcB/+UwHe2sJPcik/f7fSYWI89MjE239HhGm6CAT2wa/K5AzDBomOqC31eU8FAzO0r3EgdNczOxo/QuG5EM5515s3MkoFG1/Popj0gsB4576MZPcXOy9SJ4GFHfr/TpFeOfU6rUjF+oKT5t1FrMQUTqsmm/D0Eu6MXyt4mRqJF+RxieKw1TQqfdTjo78xCkvmqEiwYbJ5z5d2ddlgN8f8wqS6YBuG5itcRov97Ux6sPmLJj14LekuBp/daACorN6w72FQkPvP4Fr09XGXVUe/ASGWtAQQrz/wqfU9uqeH5isVS0R9dTkdXDUOnjJ5CgKh6yArgVs1QKFsiIChMgKW7zqldg2c1Nk5Yznc7e8g3sjeYnZVHLs+J3lu3Rr+sB4DuRsXQ9IYe1h4m0ka8QfaraVoJa1PDUzTbXg7kuxkTNsmO1+oYP4Vv3f/NP3TnJ1+iHWozrlzvLkRxaMgKhM+I2ELt7QIKSyOYjBAtCL2i37a6KpQoToqpbxoHfDYX1z7RYKkzzufDwn6j3ewsJ1Mtuy6/ODmtEtt0L8AiDYGnzh9JfqetNbXOnGkzC5WnbYlJwARILJGPjBY5wKMq1TH2f4bPrMwUV6QyDxm2I9I5dQexzuJINMIRkDxtZ3LEZlZWzQzTCsyz8if/6XagfuTb7F+sJ3e6PeyNfF9vLXg1feLu/Xlls8O4i25lbloUDy1PzIqzNFdTWVCyAG+I4hzWcSHEtfodIsEFl0O3vPQCjSOI+vFAdkDdmyw8PNwD3tHrV8FslSO5pm8HEPoQAe7/26/soy/Xmm9e1sX0XKPQknLpLAI/yoM6a1ZxcayDClzc8x/yjJvw/IV6x7IHLimdKbn8IL/fY+/Ie8vjixqpsiGFJMYH1TNr1T4nfdN5XgoI2w3PV3P5bp1orCXMOtF+T2d3l3dbV9YkXoat0Ct6FbL6Sk83IyfTDpFJzd560OCo0pRF67Po0DhPNbJ2SJHWqQn4ty4geCvHDMYoemNdpwVGwQAWrmJ70TgiGR5bWjx/9EkLiUbsYdMf42fzZz4yvZ7mdeaUKKxbCqJQayLeqnH8HQyCiy8cK+IuB67G2KokT8tUKFnne6GUCWncaK2XKErV63pEZH/FidlQBulVLw8p/T00MFiPlfa5Hu9hZhgjjxjRWo8iFSQrs7qK+m3vTdYntN89z4LB8zY1yam0xVLH6rNUYhgfZorHlF8yuS0ORHHZTQ3qsy+GkXBXzoK/gLwMQyT8c9J+2RhglnJ+XDyArMsvSCpVzNiLhBfUTgbK6iwYJVpEgA+LfX5x2sw3zs8RvBY/Ul8htlY1hnilvmWSRfJd+NHvXQVTng4z9lQV2odUKDIFkiL++wg4zJq+R0XgKfqm6SUmhZu5OJ+jYwsOgOOL1mhD0qP1/Bfy/PZV52NXJ1w4qc+O+afY7HvV43V02Y82/IqZ6SCAdIwggHOoAMCARKiggHFBIIBwSS4hy3oR17Czx0xy9V2qFSCcgYkEm4KET9Jr9JzG+j/gmsNM7ZKBPu/hZEXeDf/Mmw7P36iWwXvm+UcRMfvnMg10Mxo1tAVgUc0JXiBCFyOfTIfkenUmFfN25TP72NgibBMnwSzI5BubaI0VMFwUwoG4UPwt3K98gLLQ6sLZ3G6mbKn9NHOjNktuK+QkK/JzK6TLopduWbhUH/oQFvNPIVyoO3zau0LNKj+RG0DXTKeMlSD7RsK8W/V1nzVL83AjxUbunzbo9PvYGBvgHlnZys+ssc7Cuv8y1Q/IEie8XLeKLob0GyyU2DH+ObzGEwg3H+cs/vto7RJYPKNmIz03BkTm4t737h2l+XN8U3zrCeVERojst8edwbLrbOR3lFC7g43gdF1TnIDGwA4xjM4G7GcTsHfpR9HqHchkmccwWQ9/quoJuzO6zYuLuWG9cIh2AgYM2w1ghEYfz9bdIc7wY9vNNFp0P9glOamEQplg5DBLd24udA111d6o/V+1ht9v4vaGmArg+gHqoinHxlo4+eugjMYHlswdBqCU+2Ssk1hRM+yyQXzN9MMP2a9LPqd6pSwp4VjbfN38r5dkR+nzgUN Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36 Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3 Sec-Fetch-Site: none Accept-Encoding: gzip, deflate, br Accept-Language: en-US,en;q=0.9 HTTP/1.1 401 Unauthorized Date: Fri, 06 Dec 2019 23:11:38 GMT Server: Kestrel Content-Length: 0 WWW-Authenticate: Negotiate 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Strict-Transport-Security: max-age=2592000 Proxy-Support: Session-Based-Authentication ------------------------------------------------------------------ GET https://us005:8091/ HTTP/1.1 Host: us005:8091 Connection: keep-alive Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36 Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3 Sec-Fetch-Site: none Accept-Encoding: gzip, deflate, br Accept-Language: en-US,en;q=0.9 HTTP/1.1 401 Unauthorized Date: Fri, 06 Dec 2019 23:11:38 GMT Server: Kestrel Content-Length: 0 Cache-Control: no-cache Pragma: no-cache Expires: -1 WWW-Authenticate: Negotiate Strict-Transport-Security: max-age=2592000 Proxy-Support: Session-Based-Authentication
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