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Networking and Communication

Jun 02, 2015

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Documents

  • 1. Physics Network Integration Chris Hunter

2. Physics network team

  • Chris Hunter : Network Manager
  • David Newton : Network Support Technician
  • Room DWB 662
  • Phone 73501
  • Email network@physics.ox.ac.uk

3. Physics Network

  • Available Switch ports 2290 Approx. 59.2% active
  • 16 network concentration points (NCPs) in the Denys Wilkinson Building alone.
  • Level 2 NCP hub of the Physics network with 1Gb fibre connections going to each of the Physics buildings.
  • Firewall Juniper Netscreen ISG 1000

4. Physics Wireless Network

  • Currently 18 x 802.11g wireless access points in the DWB
    • Clients connected to the Physics_M wireless network are part of the 163.1.19.x subnet, currently WEP encryption only.
    • Register for wireless network access with Physics Network credentials athttp:// www.physics.ox.ac.uk /it/account .

5. OUCS wireless network

  • OWL-VISITOR and OWL-VPN also available, via the OWL ssid.
  • Eduroam now also available, connect using your Remote Access Account, different from your SSO or Nexus accounthttp:// www.oucs.ox.ac.uk/network/wireless/services/eduroam /
  • Details about both OWL &Eduroam athttp:// www.oucs.ox.ac.uk /network/wireless

6. Access to Physics Services from the un-trusted subnet or remotely

  • Virtual Private Network (VPN)
    • vpn.physics.ox.ac.uk works with Microsoft, Linux and OSX clients, uses Physics authentication domain help athttp://www.physics.ox.ac.uk/it/network/vpn/
    • Oxford University Computing Service (OUCS) have VPN service, does need specific client installed details athttp://www.oucs.ox.ac.uk/network/vpn/

7. Network Security

  • Connecting unmanaged systems to the Physics Network
    • MAC address registration is needed before gaining any network connection for laptops please register athttp:// www.physics.ox.ac.uk /it/account/
    • 172.17.x.x un-trusted subnet
    • Is your laptop up to date?
      • Anti Virus / spyware
      • Fully patched OS
  • Connecting from outside of Physics
    • SMB blocked, no connection to windows files
    • MAPI access to Exchange Server blocked
    • SMTP blocked

8. Network Security

  • Exchange Server protocols not blocked
    • IMAP
    • Authenticated SMTP is available using smtps.physics.ox.ac.uk,PHYSICS authentication domaincredentials are needed to use the service
  • Other protocols
    • web access
    • RPC over HTTPS

9. Network Security

  • Sophos Anti Virus Software
    • Updates, out of date AV is no use
    • Download Sophos for personal laptops running:-
      • Sophos 7.6.12 for XP, Vista and Windows7 athttp://www.physics.ox.ac.uk/sophos/
      • Linux athttp://www.oucs.ox.ac.uk/viruses/linux/
      • Sophos v7.0.5 for MAC OSX 10.4/10.5/10.6 athttp:// www.physics.ox.ac.uk/sophos /
  • Hoping to setup Network Access Control (NAC) onto our network

10. Network Backbone Connection

  • Physics connection presently 1Gbps
  • Campus connection to Super Janet currently at2 x 10Gbps.

11. Access to Physics Services from the un-trusted subnet or remotely

  • Winfe server
    • exchange email web access (more functionality with IE)
      • https://winfe.physics.ox.ac.uk/exchange
      • HTTPS-RPC proxy service is available with Outlook 2003http://www.physics.ox.ac.uk/it/email/exchange/http-rpc.htm
    • Webdav via browser or windows network places
      • https:// winfe.physics.ox.ac.uk /home/connects to your windows H drive.
      • (Windows Only) Open `My Network Places` and click on `add a network place
    • Sftp
      • Ssh on windows clients also comes with sftp
      • Other available clients
        • winscp, seehttp:// winscp.sourceforge.net
        • putty (command line), seehttp:// www.chiark.greenend.org.uk/~sgtatham/putty /
      • http:// www.physics.ox.ac.uk/it/windows/remote.htm

12. Access to Physics Services from the un-trusted subnet or remotely

  • Printing from a Windows Laptop not in the Physics domain.
    • http://www.physics.ox.ac.uk/it/mswindows/windowsprinting.htm
  • MAC Printing
    • http://www.physics.ox.ac.uk/it/mac/macprinting.htm

13. Access to Physics Services from the un-trusted subnet or remotely

  • Windows terminal server Termservqc
    • http://www.physics.ox.ac.uk/tsweb/ (IE Only)
    • Remote Desktop Client (MS & MAC OSX), possible to connect to local disks, printers and serial ports (not possible to connect serial ports in OSX).
    • Rdesktop on Linux systems,
      • rdesktop , more for people without Windows desktop
    • Windows XP, Vista and Windows 7 will allow remote access via terminal services

14. Exchanging files between Windows & Linux

  • Use WinSCP under start/programs/

15.

  • FAQshttp://www.physics.ox.ac.uk/it/mswindows/faq.htm

16. Questions?