SOURCEFIRE, INC.	     VRT CERTIFIED RULES LICENSE AGREEMENT		 VERSION 1.1.1 (March 9, 2005)THE VRT CERTIFIED RULES ARE LICENSED TO YOU BY SOURCEFIRE, INC.("SOURCEFIRE") UNDER THE TERMS OF THIS VRT CERTIFIED RULES LICENSEAGREEMENT (THE "AGREEMENT").  BY CLICKING THE "ACCEPT" BUTTON BELOW, ORBY INSTALLING OR USING THE VRT CERTIFIED RULES, YOU ARE CONSENTING TO BEBOUND BY THIS AGREEMENT.  IF YOU DO NOT AGREE TO THE TERMS ANDCONDITIONS OF THIS AGREEMENT, DO NOT CLICK THE "ACCEPT" BUTTON, AND DONOT INSTALL OR USE ANY PART OF THE VRT CERTIFIED RULES.1. Definitions.  1.1. "Commercial Purpose" means the use, reproduction or distribution of  (i) the VRT Certified Rules or any Modification, or any portion of the  foregoing, or (ii) a Compilation that includes, in whole or in part, the  VRT Certified Rules or any Modification that in either case is intended  to result in a direct or indirect pecuniary gain or any other  consideration or economic benefit to any person or entity involved in  such use, reproduction or distribution.  Examples of a Commercial  Purpose, include without limitation, (v) integrating the VRT Certified  Rules with other software or hardware for sale, (w) licensing the VRT  Certified Rules for a fee, (x) using the VRT Certified Rules to provide  a service to a third party, (y) selling the VRT Certified Rules, or (z)  distributing the VRT Certified Rules for use with other products or  other services.  1.2. "Compilation" means a work which combines the VRT Certified Rules  or any Modification or portions thereof with any services, programs,  code or other products not governed by the terms of this Agreement.   1.3. "Improvements" shall mean a Modification to a VRT Certified Rule  (or to a modified VRT Certified Rule) that corrects a bug, defect, or  error in such rule without affecting the overall functionality of such  VRT Certified Rule (or Modification thereof).   1.4. "Modifications" means any alteration, addition to or deletion from  the substance or structure of the VRT Certified Rules or any  Modifications of such, including, without limitation,   	(a) any addition to or deletion from the contents of a file  	containing a VRT Certified Rule or a Modification;  	(b) any derivative of the VRT Certified Rule or of any Modification;   	or  	(c) any new file that contains any part of the VRT Certified Rule or   	Modifications.  1.5.  "Permitted Use" shall have the meaning given such term in Section 2.1.   1.6. "Restricted Activities" shall have the meaning given such term in  Section 2.1.   1.7. "Snort(r) Registered User" shall mean an individual who has  registered or subscribed on www.snort.org to use the VRT Certified Rules.   1.8. "VRT Certified Rules" means those Snort(r) rules (in text form,  source code form, object code form and all documentation related  thereto) that have been created, developed, tested and officially  approved by Sourcefire.  These rules are designated with SIDs of 3465 -  1,000,000, except as otherwise noted in the license file.   1.9. "You" (or "your") means an individual exercising rights under this  Agreement.  For legal entities, "you'' includes any entity which  controls, is controlled by, or is under common control with you or any  such entity you are acting on behalf of.  For purposes of this  definition, "control'' means (a) the power, direct or indirect, to cause  the direction or management of such entity, whether by contract or  otherwise, or (b) ownership of more than forty percent (40%) of the  outstanding shares or beneficial ownership of such entity. 2. Sourcefire License Grant.    2.1. Grant of License; Permitted Use.  Subject to the terms and  conditions of this Agreement, Sourcefire hereby grants you a world-wide,  non-exclusive license to do any of the following with respect to the VRT  Certified Rules:  	(a) use and deploy the VRT Certified Rules on management consoles and  	sensors that you manage (over which you have administrative control);  	(b) use and deploy the VRT Certified Rules on behalf of your employer  	on its internal management consoles and sensors (e.g., where a valid  	employer-employee relationship exists between you and a legal entity);   	(c) modify the VRT Certified Rules and use those Modifications  	consistent with paragraphs (a) and (b) above;    	(d) distribute those VRT Certified Rules and any Modifications  	generally available to Snort(r) Registered Users  on a limited basis  	to other Snort(r) Registered Users;   	(e) distribute any Improvement generally available to Snort(r)  	Registered Users on mailing lists commonly used by the Snort(r) user  	community as a whole;  	(f) reproduce the VRT Certified Rules as strictly necessary in  	exercising your rights under this Section 2.1; and  	(g) Make the VRT Certified Rules (or any Modification) available to  	your or your employer's consultants, agents and subcontractors for  	the limited purpose of exercising your rights under this Section 2.1  	provided that such use is in compliance with this Agreement.  Paragraphs (a) though (g) of this Section 2.1 are collectively referred  to as the "Permitted Uses".  All rights not granted under this Agreement  are reserved by Sourcefire.  2.2. Limitations on License; Restricted Activities.  You recognize and  agree that the VRT Certified Rules are the property of Sourcefire,  contain valuable assets and proprietary information and property of  Sourcefire, and are provided to you under the terms and conditions of  this Agreement.  Notwithstanding anything to the contrary in this  Agreement, You agree that you shall NOT do any of the following without  Sourcefire's prior written consent:  	(a) use, deploy, perform, modify, license, display, reproduce or  	distribute the VRT Certified Rules or Modifications (even if merged  	with other materials as a Compilation) other than as allowed under a  	Permitted Use;  	(b) sell, license, transfer, rent, loan, use, modify, reproduce or  	disclose the VRT Certified Rules or any Modifications (in whole or in  	part and whether done independently or as part of a Compilation) for  	a Commercial Purpose;  	(c) post or make generally available any VRT Certified Rule (in whole  	or in part or any Modifications thereto) to individuals or a group of  	individuals who have not agreed to the terms and conditions of this  	Agreement, provided, however, that nothing in this Section 2.2(c)  	shall preclude the Permitted Use in Section 2.1(e);   	(d) share any user authentication information and/or password  	provided to you by Sourcefire with any third party to allow such  	party access your snort.org account or to otherwise access the VRT  	Certified Rules;   	(e) alter or remove any copyright notice or proprietary legend  	contained in or on the VRT Certified Rules.    Paragraphs (a) though (e) of this Section 2.2 are collectively referred  to as the "Restricted Activities").  2.3. Reproduction Obligations.  You agree that any embodiment of the VRT  Certified Rules permitted under this Agreement will contain the notices  set forth in Exhibit A.  In addition, to the extent you make any copies  of or distribute the VRT Certified Rules or any Modifications under this  Agreement, you agree to ensure that any and all such copies shall contain:  	(a) a copy of an appropriate copyright notice and all other  	applicable proprietary legends;  	(b) a disclaimer of any warranty consistent with this Agreement; and  	(c) any and all notices referencing this Agreement and absence of warranties.3. Modifications; Derivative Works.  In the event you create aModification, the use, reproduction and distribution of suchModifications shall be governed by the terms and conditions of this