Thanks for that. When I try port 7781 I get:

<PRSAcknowledgeEnv xmlns="http://www.eps.nds.scot.nhs.uk" xmlns:xsi="http://www.
w3.org/2001/XMLSchema-instance" SchemaVersion="1.3"><TransactionHeader SchemaVer
sion="1.1"><MsgPriority>immediate</MsgPriority><MsgStatus>test</MsgStatus><Sende
rDetails><OrganisationType>PRS</OrganisationType><OrganisationID>1100</Organisat
ionID><OrganisationName>PSD Operations</OrganisationName></SenderDetails><Softwa
re><ProductName ProductVersion="1.0">PRS</ProductName><ProductAuthor>Newell and
Budge LTD</ProductAuthor></Software><AppServiceName ServiceVersion="1.0">PRS</Ap
pServiceName><AppSTTL>3600</AppSTTL><AppTransID>00000000-0000-0000-0000-00000000
0000</AppTransID><AppTransStepRef>1</AppTransStepRef><AppTransDateTime>2005-01-1
8T16:56:00-00:00</AppTransDateTime><MsgCategory>single</MsgCategory><AppBodyType
Qty>1</AppBodyTypeQty><BodyDefinitions><BodyDefinition><Name>PRSAcknowledge</Nam
e><Position>1</Position><Count>1</Count><Signing>false</Signing></BodyDefinition
></BodyDefinitions></TransactionHeader><AppBodies><PRSAcknowledge SchemaVersion=
"1.3"><Code>10103