Quick way to see if a Computer is on the LAN without a Ping - microsoft.public.dotnet.framework

Message from discussion Quick way to see if a Computer is on the LAN without a Ping
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From: "Michael D. Ober" <obermd.@.alum.mit.edu.nospam>
Newsgroups: microsoft.public.dotnet.framework
References: <B43E01E5-5AFF-4ED6-A422-9FFDDD9252C9@microsoft.com>
Subject: Re: Quick way to see if a Computer is on the LAN without a Ping
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Date: Fri, 19 May 2006 01:23:59 GMT
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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)]
>