microsoft.public.dotnet.framework

Re: Quick way to see if a Computer is on the LAN without a Ping

Michael D. Ober <ober...@.alum.mit.edu.nospam>

Have you tried it? The Windows ping.exe program is available to general
user accounts.

Mike Ober.

"Philip K" <Phil...@discussions.microsoft.com> wrote in message

news:B43E01E5-5AFF-4ED6-A422-9FFDDD9252C9@microsoft.com...

> I need a quick responsive (say 100ms) way to check if a computer is on the
> LAN from a .NET program that is run by a low level user.

> Is there a way?

> Apparently Ping (ICmp over raw socket) can only be done by an admin user -
> so I am told.
> I am am running with these permissions:
> [assembly: PermissionSetAttribute(SecurityAction.RequestMinimum, Name =
> "LocalIntranet")]
> [assembly: SocketPermissionAttribute(SecurityAction.RequestMinimum,
> Unrestricted=true)]