system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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Customer Premises Equipment using either caller ID or Challenge Handshake Authentication Protocol (CHAP); only initiate traffic flows from more secure to less secure networks (i.e., from the Customer secure network to the e-business hosting environment ); access Servers in the e-business Hosting Environment from Customer's premises by establishing a one way trust relationship with password when using Windows; not initiate NFS traffic through the Internet access firewall; only use NFS within a single layer, meaning NFS traffic will not cross firewalls and the Servers will be in the same VLAN; not place NFS export files in the same file structure used for system files and executable files in Customer Components; when creating CGI programs, such programs will: (a) validate input to construct a command line. The input character string will have to be validated to ensure that it does not trigger an undesirable system response including the ability to change file permissions; (b) do not run in privileged mode; Page 23 of 36 Source: QUANTUM GROUP INC /FL, 8-K, 1/20/2009 (c) do not create files in any system-related directory; (d) do not need to be stored in any directory other than a designated cgi-bin directory or require the interpreter be stored in the cgi-bin directory; and (e) do not create buffer overflow conditions or other problems that could expose the Server to unauthorized access; not initiate inbound ICMP echo requests or replies from the Internet to the Base Components or Customer Components and outbound ICMP echo replies or ICMP replies for traceroute from the Base Components or Customer Components to the Internet unless Customer provides IBM with source IP addresses; and 10. not initiate SNMP traffic from Customer premises to the e-business Hosting Environment. Technical Due Diligence Period A two (2) week technical due diligence period commencing within two (2) weeks following the execution of this Agreement is required. During this technical due diligence period Customer and IBM technical teams will work together and determine more specific detail regarding configuration, networking, firewall, server, SAN, backup and monitoring installation, configuration and management details, settings, rules, and the schedules and thresholds to be monitored. Any changes as a result of the technical due diligence period will be handled as follows: Any delays in the procurement of equipment will be documented in the project plan by the IBM project manager and communicated to Customer in a timely manner. Any delays in the schedule will be documented in the project plan by the IBM project manager and communicated to Customer in a timely manner; and IBM and Customer will use the PCR process to make any changes to this Agreement as a result of this technical due diligence period. Changes may result in adjustments to pricing. Service Level Agreement IBM will provide an availability service level agreement ("Server Availability SLA") for Qualifying Servers based on the applicable SLA Target Percentage (as such terms are defined below). The first device in the path to the Qualifying Server must be an IBM Managed Device, and the Server Availability SLA applies up through and including the last IBM Managed Server. Definitions The following definitions apply to this Server Availability SLA: "Actual Available Minutes (AAM)" means the Total Available Minutes minus minutes of Qualified Outages. Availability Credit" means an amount equal to five percent (5%) of monthly recurring charges for Managed Hosting Services. Such credits are available when the services provided for the affected devices are less than the Monthly Availability Percentage. "IBM Managed Device" means a Base Component located in an IBM e-business Hosting Center for which IBM is performing management responsibilities. For servers, only the servers identified as Fully Managed Servers in Exhibit A are considered an IBM Managed Device. "Monthly Availability Percentage" means the amount equal to the total number of minutes in the applicable month minus the Qualifying Outage Minutes for that month, divided by the total number of minutes in that month. "Monthly Recurring Charge" means the total of Customer's monthly recurring charges. "Outage" means the period (measured in whole minutes) from the time indicated in a trouble ticket (when the Outage was reported to IBM) to the Outage end time based upon the problem resolution (as reflected in the trouble ticket call record). For clustered devices, all of the devices in the cluster must not be available for use by Customer. "Qualifying Server" means the IBM Managed Server that has been selected by Customer and approved by IBM. "Qualifying Outage Minutes" means the aggregate of all Outages in a month, minus any
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Extract the exact clause related to "Parties" from the excerpt above.

assistant: Customer