のニュース

厳密なキー交換のサポートによるセキュリティの強化

4月 30, 2025
PowerTCP SSH and SFTP for .NET V8.0は、OpenSSHの"strict KEX"モードのサポートを追加することで、Terrapin攻撃に対する保護を強化

PowerTCP SSH and SFTP for .NET by Dart Communications is a robust component suite designed to simplify secure file transfer and remote shell access within .NET applications. Tailored for developers building enterprise-grade solutions, it offers a comprehensive implementation of the SSH (Secure Shell) and SFTP (Secure File Transfer Protocol) standards. With a focus on reliability and performance, the library supports advanced features such as asynchronous operation, persistent connections, and full control over session parameters. Whether you're automating secure file exchanges or integrating remote server access, PowerTCP SSH and SFTP provides the flexibility and security essential for modern .NET development.

The PowerTCP SSH and SFTP for .NET V8.0.0.0 update introduces support for OpenSSH's "strict kex" (key exchange) extension. This change directly addresses the security vulnerability exploited in Terrapin attacks - where weaknesses in the SSH protocol’s key exchange could be manipulated. By enforcing stricter key exchange validation, this enhancement ensures that the connection negotiation process is more resilient to tampering, significantly improving the overall security of SSH and SFTP sessions in .NET applications.

To see a full list of what's new in version 8.0.0.0, see our release notes.

PowerTCP SSH and SFTP for .NET is licensed per developer and is available as a perpetual license with 12 months subscription (product updates and priority email support). See our PowerTCP SSH and SFTP for .NET licensing page for full details.

PowerTCP SSH and SFTP for .NET is available individually or as part of the following products:

Duende SoftwareがComponentSourceに参加

4月 24, 2025
ComponentSourceはDuende Softwareと提携し、最新の認証と承認のニーズに対応する堅牢なソリューションをユーザーに提供

ComponentSource, a leading global marketplace for software components and development tools, has announced a strategic partnership with Duende Software, a specialist in identity and access management solutions. This partnership is set to enhance the way developers and organizations approach application security, providing advanced capabilities, greater flexibility, and simplified integration.

Through the combination of ComponentSource’s broad software catalog and Duende Software’s deep expertise in OpenID Connect and OAuth 2.0 standards, developers will gain access to a robust suite of security solutions designed to handle complex authentication and authorization challenges with ease. This partnership supports organizations across industries in building secure, compliant, and user-friendly applications.

Duende’s flagship product is IdentityServer, a highly extensible framework for implementing secure authentication and authorization in .NET applications. IdentityServer’s strong focus on security, adaptability, and standards compliance aligns with ComponentSource’s mission to provide reliable, high-quality software solutions. Complementing this, Duende’s Backend-for-Frontend (BFF) security framework offers protection for single-page applications (SPAs) and Blazor WebAssembly apps by avoiding token storage in the browser. Together, these solutions provide developers with practical tools to enhance their application security while accelerating development timelines.

IdentityServer and Duende BFF Security Framework are both licensed on an annual subscription basis, requiring yearly renewal to maintain their use. See the IdentityServer licensing page and Duende BFF Security Framework licensing page for more details.

For more information, visit our Duende Software brand page.

実績のある標準で通信を保護

4月 4, 2025
セキュリティプロトコルは、ユーザーの認証からデジタルメッセージ内の機密データの暗号化まで、プライバシーと保護を維持する上で重要な役割を果たします。

Authentication and security protocols play a critical role in safeguarding communication and messaging systems by verifying identities, protecting data integrity, and ensuring confidentiality. These protocols define the mechanisms by which users and services authenticate, establish trust, and secure data during transmission. As digital communication expands across networks, devices, and platforms, the need for robust, standards-based security frameworks becomes essential to protect against unauthorized access, tampering, and data breaches.

Common features include:

  • OAuth enables secure, token-based authorization for third-party applications without exposing user credentials.
  • SAML (Security Assertion Markup Language) provides federated identity management and single sign-on capabilities, allowing users to access multiple services with a single authentication.
  • OpenPGP (Pretty Good Privacy) offers end-to-end encryption and digital signing of messages, ensuring that data remains confidential and tamper-proof.
  • SMIME (Secure/Multipurpose Internet Mail Extensions) secures email communications by encrypting message content and attaching digital signatures for verification.
  • CertMgr supports the management of digital certificates, enabling systems to validate identities and establish encrypted connections using public key infrastructure.

For an in-depth analysis of features and price, visit our .NET Comms & Messaging components comparison..

Explore .NET Authentication and Security Protocols

SSHサポートでセキュリティを強化

3月 26, 2025
メッセージングコンポーネントで認証された接続を有効にして、データを保護し、分散システム間での安全な通信を確保

Secure Shell (SSH) support in communication and messaging components enhances security by enabling encrypted, authenticated remote connections for data exchange and system management. This is particularly valuable in distributed applications, where secure communication between services, servers, or messaging brokers is essential. By integrating SSH, developers can ensure that sensitive data remains protected from interception or tampering, while also benefiting from robust identity verification mechanisms. This support is especially useful in environments requiring secure automation, such as deploying or managing messaging queues, remote command execution, or securely transferring configuration files.

Several .NET communications and messaging components offer SSH support including:

  • IPWorks SSH .NET Edition by /n software lets you securely transfer data and manage remote connections with robust SSH support for encrypted communication.
  • Rebex SSH Shell provides SSH-enabled components for secure file transfers, remote command execution, and encrypted tunneling in .NET applications.
  • PowerTCP SSH and SFTP for .NET by Dart Communications facilitates secure SSH-based messaging, automation and remote access.
  • SocketTools .NET Edition by Catalyst Development Corp. allows you to establish encrypted SSH sessions, securely transfer files, and execute remote commands.

For an in-depth analysis of features and price, visit our comparison of .NET comms & messaging components.

Compare .NET Comms & Messaging Components

よりスマートなテレフォニーアプリをより迅速に構築

3月 26, 2025
/n softwareIPWorksの VoIPは、通話管理、会議、およびIVRのための安全でスケーラブルで機能豊富なソリューションを開発者に提供

​IPWorks VoIP is a comprehensive library designed to simplify the integration of Voice over Internet Protocol (VoIP) capabilities into applications. It offers components that support common Session Initiation Protocol (SIP) and Interactive Voice Response (IVR) operations, enabling developers to create advanced Computer Telephony Integration (CTI) solutions. Key features include making and receiving calls, call recording and playback, text-to-speech functionality, conference call management, and both blind and attended call transfers. The library also supports creating custom IVR menus, facilitating automated call routing and customer self-service applications. With compatibility across various platforms and technologies, IPWorks VoIP provides a uniform and extensible design that streamlines the development of secure and efficient telephony applications.

​IPWorks VoIP is licensed per developer and is available as a Perpetual License with a 12 month support and maintenance subscription. See our IPWorks VoIP licensing page for full details.

IPWorks VoIP is available to buy in the following products: