asked on

getting the host name

Hello all,

I'm working on a asp.net application being used internally within our local network. I need to get the Host Name of the station that is querying the aspx page. I tried Request.UserHostName but that returns the IP address, identical to Request.UserHostAddress.

Any way to do this?

Thanks - Trevor

SOLUTION

raterus

membership

This solution is only available to members.

To access this solution, you must be a member of Experts Exchange.

Start Free Trial

ASKER CERTIFIED SOLUTION

Zackron

membership

This solution is only available to members.

To access this solution, you must be a member of Experts Exchange.

Start Free Trial

SOLUTION

Devastated

membership

This solution is only available to members.

To access this solution, you must be a member of Experts Exchange.

Start Free Trial

Devastated

erm its better to infringe on copyrights u say ?

anyhow trevorhartman,

you can use GetHostName with no parameters, this will return the host name of the local machine.

string strLocalHostName = Dns.GetHostName ();

look at the link in my post above for a fuller explanation and example c# code.

trevorhartman

ASKER

thanks all, i ended up using:

                  string kioskHostIP = Request.UserHostAddress;

                  // do a reverse lookup to figure the HostName using the IP address
                  IPHostEntry hostInfo = Dns.GetHostByAddress(kioskHostIP);
                  string kioskHostName = hostInfo.HostName;
                  Response.Write(kioskHostName + "<br>");

-Trevor

Devastated

Heya,

did you try Request.UserHostName ?

Devastated

or more apptly put...

Response.Write("The kiosk Host Name is " + Request.UserHostAddress);

Devastated

grrrrrrr

Response.Write("The kiosk Host Name is " + Request.UserHostAddress);
SHOULD READ
Response.Write("The kiosk Host Name is " + Request.UserHostName);

for completeness
Response.Write("The kiosk Host Address is " + Request.UserHostAddress);

trevorhartman

ASKER

Yeah i tried that - from my first post:

" I tried Request.UserHostName but that returns the IP address, identical to Request.UserHostAddress. "

thx anyway

-Trevor

Devastated

ah hah!.... hehe soz my mistake...

but therein i have more info on your problem...

Request.UserHostName - returns a string that contains the 'DNS' hostname...

DNS i hear u say!?

The problem you are having then is that the DNS server must be available and be able to resolve the client ip to a DNS name - if it cannot resolve it it returns the IP address as if you used Request.UserHostAddress.

so it seems theres a DNS resolution problem on your network.

trevorhartman

ASKER

could be, but this:

string kioskHostIP = Request.UserHostAddress;

// do a reverse lookup to figure the HostName using the IP address
IPHostEntry hostInfo = Dns.GetHostByAddress(kioskHostIP);
string kioskHostName = hostInfo.HostName;
Response.Write(kioskHostName + "<br>");

works for me so i'm happy :)

Devastated

sweet :) -- its a lesson i am yet to learn -- if it works it works :p