如何解决Visual Studio 2019-IIS Express-连接已重置ERR_CONNECTION_RESET
我在Visual Studio 2019中创建了一个新的ASP.NET Core MVC项目,并选中了启用HTTPS的选项。当我使用IIS Express运行项目时,网页上显示“ 连接已重置”。
当我第一次为项目启用SSL并以调试模式启动时,Visual Studio提示您信任自签名证书,然后单击“是”。 但是仍然在浏览器中,该站点无法打开,并且显示错误“连接已重置”。
该应用程序在端口44300上运行。
这是Windows 10和Visual Studio 2019的全新安装。
我验证了由IIS生成的自签名证书已存在于证书存储区中(请参阅屏幕截图)。 此外,Edge Chromium和Google Chrome浏览器的受信任根证书颁发机构中也提供了该证书。
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我创建了一个新项目,目的是确保没有任何错误。 在我的配置或构建文件中。当我运行新项目时,我得到 结果相同。
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我也尝试过使用其他浏览器,但仍然是相同的错误。
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我使用Visual Studio安装程序修复了Visual Studio,并且 将所有内容重置为默认值,但没有成功。
请提供有关如何解决此问题的建议。
以下是来自Jexus管理器的报告:
SSL诊断报告:
IMPORTANT: This report might contain confidential information. Mask such before sharing to others.
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System Time: 10/19/2020 8:01:52 AM
Processor Architecture: AMD64
OS: Microsoft Windows NT 10.0.19041.0
Server Type: IIS Express
SERVER SSL PROTOCOLS
PCT 1.0:
PCT 1.0 is not secure. OS default is used. You might explicitly disable it via registry.
SSL 2.0:
SSL 2.0 is not secure. OS default is used. You might explicitly disable it via registry.
SSL 3.0:
SSL 3.0 is not secure. OS default is used. You might explicitly disable it via registry.
TLS 1.0:
TLS 1.0 is not secure. OS default is used. You might explicitly disable it via registry.
TLS 1.1:
TLS 1.1 is not secure. OS default is used. You might explicitly disable it via registry.
TLS 1.2:
SChannel EventLogging: 1 (hex)
To tune TLS related settings,please follow https://support.microsoft.com/en-us/kb/187498 or try out IIS Crypto from https://www.nartac.com/Products/IISCrypto/.
Microsoft documentation on cipher suites can be found at https://docs.microsoft.com/en-us/windows/desktop/secauthn/cipher-suites-in-schannel.
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[W3SVC/1]
ServerComment : WebSite1
ServerAutoStart: True
ServerState : Stopped
BINDING: http *:8080:localhost
[W3SVC/2]
ServerComment : DemoApp
ServerAutoStart: True
ServerState : Stopped
BINDING: http *:50682:localhost
BINDING: https *:44300:localhost
SSLCertHash: 33a6ad6b596b6d1d0a6dff64f69b9457383ff658
SSL Flags: None
Testing EndPoint: 127.0.0.1
#CertName: IIS Express Development Certificate
#Version: 3
#You have a private key that corresponds to this certificate.
#Signature Algorithm: sha256RSA
#Key Exchange Algorithm: RSA Key Size: 2048
This is not an ECC certificate,so *_ECDSA_* cipher suites cannot be used.
#Subject: CN=localhost
#Issuer: CN=localhost
#Validity: From 10/18/2020 8:39:54 AM To 10/18/2025 3:00:00 AM
#Serial Number: 167D0B2FB51D5BB54D222FDC298ACDE9
DS Mapper Usage: Disabled
Archived: False
#Key Usage: DataEncipherment,KeyEncipherment,DigitalSignature
#Enhanced Key Usage: Server Authentication (1.3.6.1.5.5.7.3.1)
#Subject Alternative Name: DNS Name=localhost
Certificate verified.
绑定诊断报告:
IMPORTANT: This report might contain confidential information. Mask such before sharing to others.
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System Time: 10/19/2020 8:05:14 AM
Processor Architecture: AMD64
OS: Microsoft Windows NT 10.0.19041.0
Server Type: IIS Express
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This machine has 3 IP addresses to take external traffic.
* 172.23.176.1.
* 192.168.100.3.
* 172.25.112.1.
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[W3SVC/2]
ServerComment : DemoApp
ServerAutoStart: True
ServerState : Stopped
BINDING: http *:50682:localhost
No conflicting TCP reserved port range is found.
This site can take local traffic at 127.0.0.1:50682.
This site can take local traffic at [::1]:50682.
* Web browsers should use URL http://localhost:50682. Requests must have Host header of "localhost".
Start DNS query for localhost.
DNS Query returns 2 result(s).
* [::1]
* 127.0.0.1
BINDING: https *:44300:localhost
No conflicting TCP reserved port range is found.
This site can take local traffic at 127.0.0.1:44300.
This site can take local traffic at [::1]:44300.
* Web browsers should use URL https://localhost:44300. Requests must have Host header of "localhost".
Start DNS query for localhost.
DNS Query returns 2 result(s).
* [::1]
* 127.0.0.1
Binding Diagnostics does not verify certificates and other SSL/TLS related settings.
Please run SSL Diagnostics at server level to analyze SSL/TLS configuration. More information can be found at https://docs.jexusmanager.com/tutorials/ssl-diagnostics.html.
项目诊断报告:
IMPORTANT: This report might contain confidential information. Mask such before sharing to others.
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Scan the folder C:\Users\ragha\source\repos\DemoApp\DemoApp for project files.
1 project(s) are detected.
* DemoApp.csproj
Project file: C:\Users\ragha\source\repos\DemoApp\DemoApp\DemoApp.csproj.
IIS Express configuration file: C:\Users\ragha\source\repos\DemoApp\.vs\DemoApp\config\applicationHost.config.
Analyze ASP.NET Core project.
Visual Studio launchSettings.json: C:\Users\ragha\source\repos\DemoApp\DemoApp\Properties\launchSettings.json.
Extract debugging profiles.
Found 2 profile(s).
* IIS Express
* DemoApp
Extract IIS settings.
sslPort is 44300.
applicationUrl is http://localhost:50682.
Binding localhost on *:50682 (http).
Binding localhost on *:44300 (https).
A matching binding is found for https://localhost:44300/.
解决方法
事实证明,这是Kaspersky Cloud Security的最新更新,该更新阻止了对localhost的访问。我卸载了卡巴斯基,然后尝试了,一切正常。
我和卡巴斯基一起开了一张支持票,下面是他们的回应:
,这是我们方面的已知错误问题,该问题将随着卡巴斯基2021版MR2的发布而修复。 MR2计划于11月初发布。 我们建议在MR2发行之前使用2020版。
我只是在控制面板中卸载 IIS 10.0 Express,然后删除 ASP.NET(在 vs 安装程序中修改)并重新安装 ASP.NET
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