HTTP Error 56: Failure when receiving data from the peer: Received HTTP code 400 from proxy after CONNECT : Trying to Configure Bigfix Proxy

1

I am attempting to set up a Windows Server 2022 as my Proxy server for patches. I have set the settings up with the besadmin tool and the set proxy settings. I have verified the FW is allowing traffic through port 80 and I can telnet to the proxy server from the bigfix server and vice versa.

When I review BESAdminDebugOut I see Error 28 and Error 404 not found.

Tue, 28 Jun 2022 15:05:50 +0100 – 8320 – An error occurred while testing the connection: HTTP Error 28: Timeout was reached: Connection timeout after 10014 ms
Tue, 28 Jun 2022 15:06:25 +0100 – 8320 – An error occurred while testing the connection: HTTP Error 28: Timeout was reached: Connection timeout after 10005 ms
Tue, 28 Jun 2022 15:07:41 +0100 – 8320 – An error occurred while testing the connection: HTTP Error 28: Timeout was reached: Connection timeout after 10014 ms
Tue, 28 Jun 2022 15:08:08 +0100 – 8320 – An error occurred while testing the connection: HTTP Error 28: Timeout was reached: Connection timeout after 10001 ms
Tue, 28 Jun 2022 15:31:22 +0100 – 8320 – An error occurred while testing the connection: Unexpected HTTP response: 404 Not Found
Tue, 28 Jun 2022 15:31:38 +0100 – 8320 – An error occurred while testing the connection: Unexpected HTTP response: 404 Not Found
Tue, 28 Jun 2022 15:33:21 +0100 – 8320 – An error occurred while testing the connection: Unexpected HTTP response: 404 Not Found

2

If this is a new Proxy, I’d start by verifying that browser connections through the proxy work correctly.

3

On the proxy, the patch sites work through web browser like chrome and IE. I’ve also modified the settings on the BF server to connect through the host. It’s just whenever I try to connect through the patch sites or curl command from the BigFix server I get an error. I can’t tell what is blocking the connection.

4

“on the proxy” - do you mean from the proxy server itself? What proxy product are you using?
It’s not clear to me that whether you actually have a proxy product installed and running.

5

Sorry, I meant the proxy server. We don’t have any special proxy product software running, just what I have with Windows Server. Would I need to load any special proxy software to configure ?

6

On the BigFix server, I modified the settings in Internet Explorer through the options to use the proxy server that we set up.

7

Yes, additional software is needed to perform the proxy function.
What is your goal? Why are you trying to use a proxy?
By the sound of it’s you should just use BESAdmin to remove the proxy client configuration and let it use direct internet connections.