Bastion reverse proxy server


  • Reverse proxy server
  • Fully compatible with Lync Shield product suite
  • High scalability and throughput
  • Filters any HTTP-based protocol
  • Easily deployed with any secure gateway/firewall

Deploy Secure Lync connectivity without Microsoft Forefront

Bastion is a lightweight, extensible and highly scalable reverse proxy server solution, focused on content filtering for HTTP(S) traffic. Bastion is designed to enable organizations that do not use Microsoft Forefront gateways to take advantage of the Lync Shield product suite.

Bastion forwards traffic to the configured backend servers (e.g. Lync or internal website). However, by employing a pluggable filtering architecture, it can be easily extended to support any kind of filtering through filter modules. Many of AGAT Software’s security products (including the Lync Shield suite) are already available as Bastion filters.

Scalable Event-Driven Architecture

Bastion is designed as an event-driven server using asynchronous I/O which uses multithreading to respond to requests. This significantly reduces the overhead as opposed to thread-driven synchronous I/O architectures.

Accordingly, the event-driven architecture greatly enhances scalability, allowing Bastion to handle a higher number of concurrent TCP connections compared to process or thread-driven reverse proxy servers.

Bastion can operate on both HTTP requests and responses. Requests and responses can be blocked, modified or left as is (if no filtering is needed). Since Bastion offers maximum HTTP protocol compatibility (beyond the common web usage subset), it can be used to filter almost any HTTP-based protocol, such as Lync traffic.