Re: ms sec fix caused SocketException: An attempt was made to access a socket in a way forbidden by its access permissions
- From: stcheng@xxxxxxxxxxxxxxxxxxxx ("Steven Cheng")
- Date: Fri, 14 Mar 2008 07:37:14 GMT
Hi Les,
From your description, the remoting application used to work but stopworking after installed some windows security updates on the machine,
correct?
As you mentioned that it is the TCP server channel that cause the problem.
I think it maybe caused by the remoting runtime failed to start listening
on the port you specified. Have you enabled windows firewall on the server
machine, maybe the sec patch has reset the port setting. If this is the
case, you can try add the port as exception. Also, you can check whether
there is other firewall software that may block the listening port. BTW,
for general test, you can also try running a normal socket program which
listen on the certain tcp port to see whether it works.
Sincerely,
Steven Cheng
Microsoft MSDN Online Support Lead
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From: Les Caudle <DotNetWannabe@xxxxxxxxxxxxxxxx>access a socket in a way forbidden by its access permissions
Subject: Re: ms sec fix caused SocketException: An attempt was made to
Date: Thu, 13 Mar 2008 12:40:57 -0500
<DotNetWannabe@xxxxxxxxxxxxxxxx>
Actually, it fails on the TcpServerChannel chnl = new
TcpServerChannel(props,srv); - and only on Win2003 Server.
As the user has admin priv, I don't see how it can fail to have proper
permissions.
Anyone have a clue - I'm dead in the water until I resolve this?
Thanks, Les Caudle
On Thu, 13 Mar 2008 09:56:25 -0500, Les Caudle
wrote:socket in a
I've got code that's been working for years.
This is running on Win2003 Server whiled logged in as the admin.
When the MS sec fixes were installed last night, this code now fails with:
System.Net.Sockets.SocketException: An attempt was made to access a
BinaryServerFormatterSinkProvider();way forbidden by its access permissions
IDictionary props = new Hashtable();
props["name"] = "tcp";
props["port"] = 1234;
props["rejectRemoteRequests"] = "true";
props["bindTo"]= "127.0.0.1";
BinaryServerFormatterSinkProvider srv = new
TcpServerChannel chnl = new TcpServerChannel(props,srv);
ChannelServices.RegisterChannel(chnl, false); // fails at this point
How can I resolve this?
.
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