I moved the question to here from stackoverflow.com
http://stackoverflow.com/questions/2917569/unable-to-ping-server-from-client-b-but-able-to-ping-from-client-a-please-help
I am trying to configure a IIS 6.0/Windows Server 2003 web server with a ASP.net application.
When I try to ping the server from client computer A I get the following:
PING 74.208.192.xxx ==> Ping fails
PING 74.208.192.xxx:80 ==> Ping succeeds!
From client computer B, BOTH the pings fail.
PING 74.208.192.xxx ==> Ping fails
PING 74.208.192.xxx:80 ==> Ping fails with a message
"Ping request could not find host 74.208.192.xxx:80"
Both clients A and B are on the same subnet. The server is outside (a virtual server hosted by an ISP)
I have an ASP.NET application in a virtual directory on the server. In IE or firefox, if I enter http://74.208.192.xxx/subdir/subdir/../Default.aspx, it works from both the clients!
The server has default firewall settings but web server enabled (Port 80 is open).
From client A (note the different 'reply to' address when the ping succeeds.
C:\Program Files\Microsoft Visual Studio 9.0\VC>ping 74.208.192.xx
Pinging 74.208.192.xx with 32 bytes of data:
Request timed out.
...
Request timed out.
Ping statistics for 74.208.192.xx:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
C:\Program Files\Microsoft Visual Studio 9.0\VC>ping 74.208.192.xx:80
Pinging 74.208.192.xx:80 [208.67.216.xxx] with 32 bytes of data:
Reply from 208.67.216.xxx: bytes=32 time=35ms TTL=54
...
Reply from 208.67.216.xxx: bytes=32 time=33ms TTL=54
Ping statistics for 208.67.216.xxx:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 32ms, Maximum = 54ms, Average = 38ms
From client B
C:\Documents and Settings\user>ping 74.208.192.81
Pinging 74.208.192.81 with 32 bytes of data:
Request timed out.
...
Request timed out.
Ping statistics for 74.208.192.81:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
C:\Documents and Settings\user>ping 74.208.192.81:80
Ping request could not find host 74.208.192.81:80. Please check the name and try
again.
My main problem is I have a web service (asmx) file and the web service client program is not able to access it from client B, but able to access it from client A. I am trying to find out why and thought this ping issue may shed some light.
I can ping yahoo.com both the computers.
