# Table of contents:

• Introduction
• Content
  • config
    • shield
      • cli
    • block
      • hashes
      • regexp
        • imtext

# Introduction

Shields.xml contains the Shields Configuration Data, and was first seen in MSNP11.

It is provided by the GCF command.

# Content

If this is in MSNP13 or above, this element will be contained in the following:

<Policies><Policy type="SHIELDS"><config>...</config></Policy></Policies>

Otherwise, it is prefixed with the following:

<?xml version="1.0" encoding="utf-8" ?>

# config

The root element of the document. Nothing special. Contains the <shield> and <block> elements.

# shield

Contains many <cli> elements.

# cli

This empty attribute has 5 parameters:

• maj: The major version that this block applies to.
• min: The minor version that this block applies to.
• minbld: Lowest bound of builds that this block applies to.
• maxbld: Highest bound of builds that this block applies to
• deny: What features are disabled:
  • SharingFolders: Sharing Folders. Since MSNP13.
  • protocolhandler: Unknown.
  • dynamicbackgrounds: Dynamic Backgrounds (Flash chat backgrounds).
  • phone: Calling features. Since MSNP13.
  • voiceim: Voice Clips.
  • camera: Video Conversations.
  • audio: Audio Conversations.
  • filexfer: File transfer.
  • hotlinks: Web links. If this feature is blocked URLs sent in conversation windows will not be formatted as links.
  • ddp: Dynamic Display Pictures (Flash-based profile pictures).
  • winks: Winks (Flash-based full conversation window animations).

# block

Since MSNP12.

Contains either <hashes> or <regexp> elements.

# hashes

This element blocks files from being sent based on their cryptographic (TODO: Confirm this) hashes.

(TODO: Does anyone have an example of things that go here?)

# regexp

This element contains multiple <imtext> elements.

# imtext

This empty element only has the value attribute, which is the regular expression to search instant message text for. This attribute is base64-encoded.