Troubleshooting
Appliance Network Errors
55
Qualys Platform Connectivity Errors
Error connect to server (07) With Proxy Configuration:
Ensure proxy configuration on the scanner is configured
with valid host and port. Ensure the proxy port is accessible
from the scanner’s LAN or WAN interface.
Without Proxy Configuration:
Ensure the scanner’s LAN (single-network) or WAN (split-
network) interface can connect to the Qualys Platform and
is not blocked by any firewall rules.
Timeout was reached (28) With Proxy Configuration:
Ensure the proxy can connect to the Qualys Platform within
30 seconds and is not blocked by any firewall rules.
Without Proxy Configuration:
Ensure the scanner’s LAN (single-network) or WAN (split-
network) interface can connect to the Qualys Platform
within 30 seconds and is not blocked by any firewall rules.
Failed sending peer data (55) With Proxy Configuration:
Failure while sending network data to proxy. Ensure the
scanner can communicate with the configured proxy server.
Without Proxy Configuration:
Failure while sending network data. Ensure the scanner’s
LAN (single-network) or WAN (split-network) interface can
connect to the Qualys Platform and is not blocked by any
firewall rules or network access control devices.
Failed receiving peer data (56) With Proxy Configuration:
Failure while receiving network data from proxy. Ensure the
scanner can communicate with the configured proxy server.
Without Proxy Configuration:
Failure while receiving network data. Ensure the scanner’s
LAN (single-network) or WAN (split-network) interface can
connect to the Qualys Platform and is not blocked by any
firewall rules or network access control devices.
SSL peer cert was not OK This issue may occur when there is a proxy or intercepting
device interfering with the certificate exchange process
between the scanner and Qualys Platform. Please contact
Qualys Support.
Unexpected QG HTTP/401 Please report this error to Qualys Support and include all
configuration details.
Unexpected QG HTTP/500 Please report this error to Qualys Support and include all
configuration details.
Error Solution
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