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https://issues.apache.org/jira/browse/IGNITE-24906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18042295#comment-18042295
]
Ignite TC Bot commented on IGNITE-24906:
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{panel:title=Branch: [pull/12549/head] Base: [master] : Possible Blockers
(3)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Platform C++ CMake (Win x64 / Release){color} [[tests 0 TIMEOUT
, Exit Code |https://ci2.ignite.apache.org/viewLog.html?buildId=8731108]]
{color:#d04437}Cache (Failover) 2{color} [[tests 0 TIMEOUT , Exit Code ,
Failure on metric |https://ci2.ignite.apache.org/viewLog.html?buildId=8731060]]
{color:#d04437}Cache 2{color} [[tests 0 TIMEOUT , Exit Code , Failure on metric
|https://ci2.ignite.apache.org/viewLog.html?buildId=8731049]]
{panel}
{panel:title=Branch: [pull/12549/head] Base: [master] : No new tests
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=8731154&buildTypeId=IgniteTests24Java8_RunAll]
> .NET: Client Node Discovery fails with HTTPS enabled
> ----------------------------------------------------
>
> Key: IGNITE-24906
> URL: https://issues.apache.org/jira/browse/IGNITE-24906
> Project: Ignite
> Issue Type: Bug
> Components: platforms, thin client
> Affects Versions: 2.15, 2.16, 2.17
> Reporter: Pavel Tupitsyn
> Assignee: Pavel Tupitsyn
> Priority: Major
> Labels: .NET
> Fix For: 2.18
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Automatic Node Discovery fails in .NET Thin Client with HTTPS enabled due to
> certificate validation issues.
> *Steps to Reproduce:*
> * Set up a cluster where each node has HTTPS enabled and a trusted
> certificate with both the hostname and DNS alias in the SAN list.
> * Connect to the cluster using the .NET Thin Client.
> * Enable Automatic Server Node Discovery
> (IgniteClientConfiguration.EnableClusterDiscovery).
> * Observe that the discovery process fails with a
> *RemoteCertificateNameMismatch* error.
> *Observed Behavior:*
> * The error occurs because discovery requests target IP addresses instead of
> hostnames.
> * Since the IP addresses are not included in the certificate's SAN list,
> certificate validation fails.
> * The error is logged in the background, but the client is still able to
> connect.
> *Expected Behavior:*
> * Automatic Server Node Discovery should not fail when each host has a valid,
> trusted certificate.
> * Discovery requests should use hostnames instead of IP addresses for HTTPS
> connections.
> *Log output:*
> {code}
> [11:16:49] [Error] [ClientFailoverSocket] Failed to update topology
> information (exception:
> System.Security.Authentication.AuthenticationException: The remote
> certificate was rejected by the provided RemoteCertificateValidationCallback.
> at
> System.Net.Security.SslStream.CompleteHandshake(SslAuthenticationOptions
> sslAuthenticationOptions)
> at
> System.Net.Security.SslStream.ForceAuthenticationAsync[TIOAdapter](Boolean
> receiveFirst, Byte[] reAuthenticationData, CancellationToken
> cancellationToken)
> at
> System.Net.Security.SslStream.ProcessAuthenticationWithTelemetryAsync(Boolean
> isAsync, CancellationToken cancellationToken)
> at
> System.Net.Security.SslStream.AuthenticateAsClient(SslClientAuthenticationOptions
> sslClientAuthenticationOptions)
> at Apache.Ignite.Core.Client.SslStreamFactory.Create(Stream stream, String
> targetHost)
> at Apache.Ignite.Core.Impl.Client.ClientSocket.GetSocketStream(Socket
> socket, IgniteClientConfiguration cfg, String host)
> at
> Apache.Ignite.Core.Impl.Client.ClientSocket..ctor(IgniteClientConfiguration
> clientConfiguration, EndPoint endPoint, String host, Nullable`1 version,
> Action`1 topVerCallback, Marshaller marshaller)
> at
> Apache.Ignite.Core.Impl.Client.ClientFailoverSocket.TryConnect(ClientDiscoveryNode
> node)
> at Apache.Ignite.Core.Impl.Client.ClientFailoverSocket.InitSocketMap()
> at
> Apache.Ignite.Core.Impl.Client.ClientFailoverSocket.<OnAffinityTopologyVersionChange>b__40_0(Object
> _))
> {code}
> Potential cause: *ClientFailoverSocket* in the .NET client uses IP endpoints
> instead of hostnames.
> Reference:
> [ClientFailoverSocket.cs#L948|https://github.com/apache/ignite/blob/be1f4bc6378c0ceb75a16c286a1a6ee00875d624/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Client/ClientFailoverSocket.cs#L133]
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