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Detailed specifications for the “Tasmin-10” server.

Requirement:- A reliable, secure, small business server.

To enable your business to compete in these competitive times you need a network that provides secure controlled internet access, and E-Mail that is free from Virus's and Spam.

The Tasmin range of servers provide a multi function solution that satisfies a diverse range of customers requirements.
Typical customers have the following requirements:-

• Little or no on-site IT expertise required.

• Very high data security, with automatic reliable backup.

• Up to 5 years between reboots providing very high availability.

• Provide secure controlled internet access.

• Need to store, share and backup all data.

• An e-mail solution to support industry standard POP3/SMTP email clients (Outlook, Outlook express, Netscape ETC)

• Full protection from Virus's, Spam and other unwanted material.

• Administration can be done remotely using secure tools saving engineer traveling time and money.

• Extra users can be added at any time without buying extra client licenses.

Outline description:-

This is a very flexible, hardened, stateful firewall/email/data storage server with the following features:-

• Suitable for up to 300 users or 20,000 e-mails per day, depending upon hard disk sub-system.

• Very high availability (in many cases up to 5 years between reboots).

• No client licenses to purchase, the number of supported clients is only limited by the hardware on which it is run.

• Anti-Spam system installed and configured, that normally stops between 95.9% and 99.5% of Spam.

• Anti-virus system installed, with two Anti-Virus toolkits, which are update every hour.

• A hardened, stateful (IPTABLES), stable and highly configurable firewall.

• A DHCP client that allows the system to (optionally) obtain its IP address from your ISP.

• A DHCP server that can help configure machines on your internal network.

• A caching DNS proxy server, to help speed up Domain Name queries.

• A web caching proxy server, to speed up and control web access, and block all direct access to the Internet.

• NAT (network address translation) system to hide your internal TCP/IP address from the internet.

• Printer sharing and flexible data storage, allowing secure/private areas to be setup as required.

• Remote and internal POP3 and SMTP email services installed and configured, with SMTP authentication.

• Can be setup to allow workers in remote offices to send and receive e-mails as if they were in the office.

• Setup with a remote graphical administration system.

• Setup to allow secure remote administration and remote updates.

• Over 99.9% of software updates can be achieved without rebooting the server or interrupting user access.

• An intrusion detection system to detect changes to the system.

• 512mb High speed Ram.

• Powerful 2.0Ghz CPU.

• Supplied with an external ADSL modem/router.

• 400watt Server Mini tower case, with locking castors.

• Built in 12/24gb SCSI DDS3 DAT tape backup drive.

• Hardware RAID 1 (mirrored) with dual 120gb 7200rpm 8mb cache high speed hard drives, for high data security and reliability, providing 120gb of storage space.

• Built in PCI 10/100 network card to provide secure internet access.

• Built in PCI 10/100/1000 network card to give your workstations full speed access to the server.

• CD Re-writer to allow backups to re-writable media (this can be automated to suit the customers requirements).

• Supplied installed and configured on new hardware which is covered by a 12 month return to base warranty (can be upgraded to on-site if required).

Anti-Virus system detailed features:-

• Supplied with 2 different anti-virus toolkits for extra security.

• Uses any of 14 different file-based virus scanners, allowing hourly updates for the latest viruses
  — Sophos, McAfee, F-Prot, Command, Kaspersky, Inoculate, Inoculan, Nod32, F-Secure, Panda, RAV, Antivir, ClamAV, Vscan

• Checks and traps for all known Outlook, Outlook Express, Internet Explorer and Eudora security vulnerabilities.

• Partial messages, and messages with an "external body", are detected and trapped.

• Simple to use and yet extremely flexible configuration system makes it easy to setup for systems running 1 or 10,000 domains

• Scales up to millions of messages per day, taking full advantage of all available CPUs, memory and network resources.

• Scans for viruses inside all attachments, including compressed archives.

• Checks inside Microsoft Outlook Rich Text format attachments (MS-TNEF files).

• Automatically disinfects any viruses that can be disinfected from the original message attachment (e.g. Word macro viruses).

• Attachments can be accepted or rejected on the basis of any set of arbitrarily complex filename patterns.

• Infected attachments are replaced with a customisable message to the recipient explaining what has happened to their attachment, and who they should contact for assistance.

• Even if some attachments to a message are infected, clean attachments will still be forwarded intact.

• System administration staff are notified every time a virus is found or an attachment is rejected.

• Senders of infected messages can be notified so they can check their systems for viruses.

• Designed to handle “Denial Of Service” attacks caused by illegal Microsoft Outlook attachments and files such as the "Zip of Death" which cannot be expanded or scanned completely.

Anti-Spam system detailed features:-

• Every email is checked against a number of internet databases to see if this is an email that is known Spam.

• The Bayesian database support in the Anti-Spam system tries to identify Spam by looking at what are called tokens; short phrases that are commonly found in Spam or ham.(Ham is e-mail that is not Spam) Each token is given a small score, together these scores rate the email as Spam if above administrator defined levels.

• Spam scores can be set to different actions at different levels, these are normally delete at above a score of 10 and send to a special email account above 5.

• The system also checks that the domain name exists and checks that the domain is not a domain known as being used for sending Spam.

• Each system has been pre-trained by over 30 thousand emails during the installation process.

• E-mail addresses and/or domains can be added to a whitelist to ensure these e-mails are not blocked.

• E-mail addresses and/or domains can be added to a blacklist to ensure ALL e-mails from that address and/or domain are blocked.

Optional extras:-

• Graphical reporting system as per above sample (updated every 5 minutes)(no extra cost).

• 20/40Gb SCSI DDS4 DAT drive for backups (set-up to backup the user data every night at 23:00).

• 36/72Gb SCSI DLT drive for backups (set-up to backup the user data every night at 23:00).

• 100/200Gb SCSI drive for backups (set-up to backup the user data every night at 23:00).

• UPS to protect the system during power cuts and other power problems.

• Increase the memory to 1gb, 2gb or 4gb.

• Increase the CPU speed to 2.6gHz, 3gHz.or 3.2gHz.

• Can be part of a VPN solution.

• DNS server software can be added (no extra cost).

• Web hosting software can be added to allow internal and or external web sites to be hosted (no extra cost).