Deploying IPBinder: Step-by-Step Setup and Best Practices

Deploying IPBinder: Step-by-Step Setup and Best Practices

Overview

IPBinder is a tool for controlling the source IP address used by outbound TCP connections on ISA/TMG servers (and similar edge/proxy appliances). It lets administrators bind specific access rules to particular external IPs, which helps when a server has multiple public IP addresses or when different services must present distinct source addresses.

Pre-deployment checklist

• Supported environment: Microsoft ISA ⁄₂₀₀₆ or Forefront TMG (or compatible proxy/gateway environment where IPBinder is supported).
• Administrative access: Local admin on the ISA/TMG servers and access to any firewall/NAT device that handles the public IPs.
• Multiple public IPs assigned: Each server must actually own the external IPs you intend to bind (no spoofing).
• Backups: Export ISA/TMG configuration and snapshot VMs or take full backups.
• Documentation: Gather network diagrams, IP assignments, and the mapping of internal services to outbound IPs.

Step-by-step installation and setup

1. Download IPBinder

   • Obtain the IPBinder installer and documentation from the vendor (e.g., Collective Software) or your software distribution point.

2. Verify prerequisites

   • Confirm OS and ISA/TMG patch level compatibility.
   • Ensure .NET and any vendor prerequisites are installed per IPBinder docs.
   • Temporarily schedule maintenance window if production traffic may be affected.

3. Install IPBinder

   • Run the installer on each ISA/TMG server where you need source-IP control.
   • Follow the installer prompts; accept defaults unless your environment requires alternate paths.

4. Restart services / server

   • Reboot or restart ISA/TMG services as recommended by the installer to load the IPBinder components.

5. Configure IPBinder in management console

   • Open ISA/TMG management console.
   • Locate the IPBinder extension/plugin section (it typically integrates into rule configuration).
   • For each access rule that requires a specific outbound IP:
     • Edit the rule and set the desired external IP (select from the server’s available public IPs).
     • Save and apply changes.
   • For arrays: configure per-server external IPs if each array member uses different external addresses.

6. Test connectivity

   • From internal clients or test hosts, initiate traffic that matches modified rules (HTTP, SMTP, other TCP).
   • Verify the remote endpoint sees the expected source IP (use external “what is my IP” services, remote