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Detailed specifications for the “Tasmin-30” 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 25,000 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 99.9% 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 0 + 1 with 4 off 120gb 7200rpm 8mb cache high speed hard drives, for the highest possible disk performance and hardware disk mirroring for high data security and reliability, providing 240mb of high speed 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).