Request failed with curl error <7> or <28> (when MVISION agents connect through a proxy)

Technical Articles ID: KB95030
Last Modified: 2022-01-13 20:50:46 Etc/GMT

Environment

McAfee Agent (MA) 5.7.0-5.7.5, 5.6.x
MVISION ePolicy Orchestrator (MVISION ePO)

Problem

Communication to the MVISION ePO URLs might fail if the conditions below apply:

A proxy is present in the environment.
The agent has been upgraded to MA 5.7.4.

The errors below are recorded in the masvc<computer_name>.log file:

masvc(16860.18248) network.Notice: URL(https://ah-usw003.mvision.mcafee.com:443/spipe/pkg?AgentGuid={XXXXXX}&Source=Agent_3.0.0&TenantId=xxxxx) request failed with curl error <7>, response code <0>, http connect code 0

[Stack Trace START]
[curl text 25 Closing connection 47664 ]
[curl text 79 Failed to connect to ah-usw003.mvision.mcafee.com port 443: Connection refused ]
[curl text 59 connect to 52.10.35.37 port 443 failed: Connection refused ]
[curl text 16 TCP_NODELAY set ]
[curl text 24 Trying 52.10.35.37... ]
[curl text 58 connect to 54.69.12.9 port 443 failed: Connection refused ]

masvc(4304.5104) network.Notice: URL(https://ah-usw001.mvision.mcafee.com:443/spipe/pkg?AgentGuid={XXXXXX}&Source=Agent_3.0.0&TenantId=xxxxx) request failed with curl error <28> , response code <0>, http connect code 0

[Stack Trace START]
[curl text 25 Closing connection 11112 ]
[curl text 76 Operation timed out after 30015 milliseconds with 0 out of 0 bytes received ]
[curl text 45 TLSv1.2 (OUT), TLS handshake, Finished (20): ]

The errors below are recorded in the masvc log file, which relate to obtaining the proxy settings:

masvc(107420.106572) proxy_detect.Debug:WinHttpGetProxyForUrl API Call failed, error code: 12005
masvc(107420.106572) proxy_detect.Debug: auto detect proxy end
masvc(107420.106572) proxy_detect.Debug: WinHttpGetIEProxyConfigForCurrentUser end
masvc(107420.106572) proxy_detect.Debug: getLoggedOnUsersIESettings end
masvc(107420.106572) proxy_detect.Debug: getLoggedOnUsersIESettings failed, try with default settings

masvc(4556.5660) proxy_detect.Debug: WinHttpGetProxyForUrl API Call failed, error code: 12180
masvc(4556.5660) proxy_detect.Debug: auto detect proxy end
masvc(4556.5660) proxy_detect.Debug: WinHttpGetIEProxyConfigForCurrentUser end
masvc(4556.5660) proxy_detect.Debug: getLoggedOnUsersIESettings end
masvc(4556.5660) proxy_detect.Debug: getLoggedOnUsersIESettings failed, try with default settings

masvc(107420.106572) proxy_detect.Debug: WinHttpGetProxyForUrl API Call failed, error code: 12167
masvc(107420.106572) proxy_detect.Debug: auto detect proxy end
masvc(107420.106572) proxy_detect.Debug: WinHttpGetIEProxyConfigForCurrentUser end
masvc(107420.106572) proxy_detect.Debug: getLoggedOnUsersIESettings end
masvc(107420.106572) proxy_detect.Debug: getLoggedOnUsersIESettings failed, try with default settings

NOTE: A system restart might temporarily resolve the connection failure.

Solution

This issue is resolved in McAfee Agent 5.7.5, which is available from the ePO Software Manager or the Product Downloads site.

To view other known and resolved issues, see KB93773 - McAfee Agent 5.7.x Known Issues.

NOTE: You need a valid Grant Number to access the update.

Workaround

Add the proxy to the local computer:

Open a command prompt as an administrator:
1. Press the Windows key + R.
2. In the Start Search field, type cmd, and then press Ctrl+Shift+Enter.
3. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
In the command window, use the netsh winhttp set proxy command, and enter the FQDN of the proxy server and proxy port:
Example:

netsh winhttp set proxy proxylab.lab.local:8080
To remove the proxy, type:

netsh winhttp reset proxy

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Request failed with curl error <7> or <28> (when MVISION agents connect through a proxy)

Environment

Problem

Solution

Workaround

Affected Products

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Request failed with curl error <7> or <28> (when MVISION agents connect through a proxy)

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