ADSL & VPNs

25th March, 2004

Simon Harden, Director Information Systems

ADSL- Virtual Private Network Connection for Home Viewing, Conforming to the NHSIA

Code of Connection

ADSL & VPNs

25th March, 2004

N3

N3 – serving the health community

Community site

GP

PCT

Acute trust

ADSL

Social servicesPharmacistsDentistsPrison services etc.

Connect over local LANs and WANs or direct to N3 as appropriate

ADSL & VPNs

25th March, 2004

N3

•BT managed service•18,000 connections•Starts April 16th

•NPfIT requirements fully funded (PACS?)•Home workers locally paid for•ADSL mentioned as existing service•VPNs part of core service

ADSL & VPNs

25th March, 2004

Initials

Asynchronous Digital Subscriber Line•512Kb – 2Mb•Who is ISP?

Virtual Private Network•As if on main network•Encrypted

ADSL & VPNs

25th March, 2004

Broadband Connections

•DSL (512Kbs upwards)•ISDN (128Kbs upwards)•Satellite (what you pay for)

•3MB image:•56Kbs modem – 6.5m•128Kbs – 3+m•512Kbs - 48s•2Mbs - 12s

ADSL & VPNs

25th March, 2004

What’s the Problem?

•Data Protection Act•Caldicott confidentiality rules•NHSnet Code of Connection•Patient history

ADSL & VPNs

25th March, 2004

Public ADSL

•Secure ID token or biometrics•Firewall with NHSIA approved rules•VPN to NHSIA standards•Independent penetration testing•NHS owned and managed PC•Firewall on PC•Adapted security policy

ADSL & VPNs

25th March, 2004

Private ADSL

•Talk to NHSIA•ADSL

•IP Central•Dedicated line at home

•Simplifies some of the security•Can also be used for

•Small remote sites•Teleradiology between sites

•Will be superseded eventually by N3

ADSL & VPNs

25th March, 2004

Practical Tips

•Talk to local NHSnet security manager•Shared portables•Citrix for client

ADSL & VPNs

25th March, 2004

Picture

VPN connection& encryption

Firewall

ADSL‘modem’

Home

In Trust but insecure

Trust networkNHSnet connection

In Trust and secure

ADSL & VPNs

25th March, 2004

Links

General Security Guidancehttp://nww.nhsia.nhs.uk/security/pages/syops/default.asp

NHSnet Code of Connectionhttp://nww.nhsia.nhs.uk/security/pages/syops/docs/coc.asp

Rules For Broadband Accesshttp://nww.nhsia.nhs.uk/nhsnet/pages/connecting/standards/default

Use of consumer broadband to Access NHSnet over the Internethttp://nww.nhsia.nhs.uk/nhsnet/pages/using/suppliers/vpn_trials.asp

N3http://www.n3.nhs.uk