SymProxy

You can configure your HTTP-based symbol store to act as a proxy between client computers and other symbol stores. The implementation is through an Internet Server Application Programming Interface (ISAPI) filter called SymProxy (Symproxy.dll). The SymProxy server can be used as a gateway computer to the Internet or other sources within your company network. The following diagram shows an example SymProxy configuration.

Diagram of an example SymProxy configuration

SymProxy is useful in many situations. For example:

  • You are debugging many systems within a lab environment in which the computers are not attached to the company network, but the symbols are stored in the network and must be accessed using Integrated Windows Authentication (IWA).

  • Your corporate computing environment includes a firewall that prevents access to the Internet from computers that are debugging and you must obtain symbols from an internet Web site.

  • You want to present a single symbol path for all users in your company so that they need not know or care about where symbols are located, and you can add new symbol stores without user intervention.

  • You have a remote site that is physically far from the rest of your company resources, and network access is slow. This system can be used to acquire symbols and cache them to the remote site.

To install SymProxy, you must manually copy the files to the correct location, configure the registry, choose network security credentials, and configure Internet Information Services (IIS). To ensure that your HTTP symbol store is properly configured, see HTTP Symbol Stores.

This section includes:

Installing SymProxy

Configuring the Registry

Choosing Network Security Credentials

Configuring IIS for SymProxy

Setting Up Exclusion Lists

Dealing with Unavailable Symbol Stores

Checking and Updating Status

Handling File Pointers

Caching Acquired Symbol Files

 

 

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