Networking and Communication


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Networking and Communication

  1. 1. Physics Network Integration Chris Hunter
  2. 2. Physics network team <ul><li>Chris Hunter : Network Manager </li></ul><ul><li>David Newton : Network Support Technician </li></ul><ul><li>Room DWB 662 </li></ul><ul><li>Phone 73501 </li></ul><ul><li>Email </li></ul>
  3. 3. Physics Network <ul><li>Available Switch ports 2290 Approx. 59.2% active </li></ul><ul><li>16 network concentration points (NCP’s) in the Denys Wilkinson Building alone. </li></ul><ul><li>Level 2 NCP hub of the Physics network with 1Gb fibre connections going to each of the Physics buildings. </li></ul><ul><li>Firewall Juniper Netscreen ISG 1000 </li></ul>
  4. 4. Physics Wireless Network <ul><li>Currently 18 x 802.11g wireless access points in the DWB </li></ul><ul><ul><li>Clients connected to the Physics_M wireless network are part of the 163.1.19.x subnet, currently WEP encryption only. </li></ul></ul><ul><ul><li>Register for wireless network access with Physics Network credentials at http:// /it/account . </li></ul></ul>
  5. 5. OUCS wireless network <ul><li>OWL-VISITOR and OWL-VPN also available, via the OWL ssid. </li></ul><ul><li>Eduroam now also available, connect using your Remote Access Account, different from your SSO or Nexus account http:// / </li></ul><ul><li>Details about both OWL & Eduroam at http:// /network/wireless </li></ul>
  6. 6. Access to Physics Services from the un-trusted subnet or remotely <ul><li>Virtual Private Network (VPN) </li></ul><ul><ul><li> works with Microsoft, Linux and OSX clients, uses Physics authentication domain help at </li></ul></ul><ul><ul><li>Oxford University Computing Service (OUCS) have VPN service, does need specific client installed details at </li></ul></ul>
  7. 7. Network Security <ul><li>Connecting unmanaged systems to the Physics Network </li></ul><ul><ul><li>MAC address registration is needed before gaining any network connection for laptops please register at http:// /it/account/ </li></ul></ul><ul><ul><li>172.17.x.x un-trusted subnet </li></ul></ul><ul><ul><li>Is your laptop up to date? </li></ul></ul><ul><ul><ul><li>Anti Virus / spyware </li></ul></ul></ul><ul><ul><ul><li>Fully patched OS </li></ul></ul></ul><ul><li>Connecting from outside of Physics </li></ul><ul><ul><li>SMB blocked, no connection to windows files </li></ul></ul><ul><ul><li>MAPI access to Exchange Server blocked </li></ul></ul><ul><ul><li>SMTP blocked </li></ul></ul>
  8. 8. Network Security <ul><li>Exchange Server protocols not blocked </li></ul><ul><ul><li>IMAP </li></ul></ul><ul><ul><li>Authenticated SMTP is available using, PHYSICS authentication domain credentials are needed to use the service </li></ul></ul><ul><li>Other protocols </li></ul><ul><ul><li>web access </li></ul></ul><ul><ul><li>RPC over HTTPS </li></ul></ul>
  9. 9. Network Security <ul><li>Sophos Anti Virus Software </li></ul><ul><ul><li>Updates, out of date AV is no use </li></ul></ul><ul><ul><li>Download Sophos for personal laptops running:- </li></ul></ul><ul><ul><ul><li>Sophos 7.6.12 for XP, Vista and Windows7 at </li></ul></ul></ul><ul><ul><ul><li>Linux at </li></ul></ul></ul><ul><ul><ul><li>Sophos v7.0.5 for MAC OSX 10.4/10.5/10.6 at http:// / </li></ul></ul></ul><ul><li>Hoping to setup Network Access Control (NAC) onto our network </li></ul>
  10. 10. Network Backbone Connection <ul><li>Physics connection presently 1Gbps </li></ul><ul><li>Campus connection to Super Janet currently at 2 x 10Gbps. </li></ul>
  11. 11. Access to Physics Services from the un-trusted subnet or remotely <ul><li>Winfe server </li></ul><ul><ul><li>exchange email web access (more functionality with IE) </li></ul></ul><ul><ul><ul><li> </li></ul></ul></ul><ul><ul><ul><li>HTTPS-RPC proxy service is available with Outlook 2003 </li></ul></ul></ul><ul><ul><li>Webdav via browser or windows network places </li></ul></ul><ul><ul><ul><li>https:// /home/<username> connects to your windows ‘H’ drive. </li></ul></ul></ul><ul><ul><ul><li>(Windows Only) Open `My Network Places` and click on `add a network place </li></ul></ul></ul><ul><ul><li>Sftp </li></ul></ul><ul><ul><ul><li>Ssh on windows clients also comes with sftp </li></ul></ul></ul><ul><ul><ul><li>Other available clients </li></ul></ul></ul><ul><ul><ul><ul><li>winscp, see http:// </li></ul></ul></ul></ul><ul><ul><ul><ul><li>putty (command line), see http:// / </li></ul></ul></ul></ul><ul><ul><ul><li>http:// </li></ul></ul></ul>
  12. 12. Access to Physics Services from the un-trusted subnet or remotely <ul><li>Printing from a Windows Laptop not in the Physics domain. </li></ul><ul><ul><li> </li></ul></ul><ul><li>MAC Printing </li></ul><ul><ul><li> </li></ul></ul>
  13. 13. Access to Physics Services from the un-trusted subnet or remotely <ul><li>Windows terminal server Termservqc </li></ul><ul><ul><li> (IE Only) </li></ul></ul><ul><ul><li>Remote Desktop Client (MS & MAC OSX), possible to connect to local disks, printers and serial ports (not possible to connect serial ports in OSX). </li></ul></ul><ul><ul><li>Rdesktop on Linux systems, </li></ul></ul><ul><ul><ul><li>rdesktop <termservqc>, more for people without Windows desktop </li></ul></ul></ul><ul><ul><li>Windows XP, Vista and Windows 7 will allow remote access via terminal services </li></ul></ul>
  14. 14. Exchanging files between Windows & Linux <ul><li>Use WinSCP under start/programs/ </li></ul>
  15. 15. <ul><li>FAQ’s </li></ul>
  16. 16. Questions?