Troubleshooting
Appliance Network Errors
54
WAN DNS can’t resolve QG URL
Ensure the WAN’s configured DNS servers can resolve the
Qualys Platform URL. See
for platform URLs.
Invalid LAN IP configuration
Ensure a valid IP address is assigned to the LAN interface.
Invalid WAN IP configuration
Ensure a valid IP address is assigned to the WAN interface.
LAN DNS can’t resolve proxy
Ensure LAN DNS server(s) can resolve the scanner’s
configured proxy hostname.
WAN DNS can’t resolve proxy
Ensure WAN DNS server(s) can resolve the scanner’s
configured proxy hostname.
LAN DHCP lease has no gateway
Ensure DHCP server is assigning a valid gateway for LAN
interface.
WAN DHCP lease has no gateway
Ensure DHCP server is assigning a valid gateway for WAN
interface.
Duplicate LAN and WAN config
LAN and WAN must be on different subnets.
LAN DNS server not reachable
Ensure LAN interface has network connectivity to its
configured DNS servers.
WAN DNS server not reachable
Ensure WAN interface has network connectivity to its
configured DNS servers.
LAN and WAN same gateway
LAN and WAN must be configured with different subnets
and gateway addresses.
Duplicate IP detected
Ensure LAN/WAN is configured with an IP address that is not
already in use by another host on the network.
Proxy Errors
Invalid proxy IP
Ensure proxy configuration on the scanner is configured
with a valid IP address for the proxy.
Invalid proxy auth config
Ensure proxy configuration on the scanner is configured
with valid proxy username and password.
unexpected proxy HTTP/403
Ensure configured proxy user on the scanner has
authorization to connect to the Qualys Platform.
unexpected proxy HTTP/407
Ensure the scanner is configured with valid proxy username
and password.
unexpected proxy HTTP/503
Ensure the proxy server can connect to the Qualys Platform.
Error
Solution
Summary of Contents for QGSA-5120-A1
Page 1: ...Scanner Appliance User Guide December 20 2021 ...
Page 6: ...Preface 6 ...
Page 58: ...Troubleshooting Where can I find the model number and serial number 58 ...
Page 60: ...Appendix A Product Specifications 60 ...
Page 62: ...Appendix B Software Credits 62 ...
Page 64: ...Appendix C Safety Notices 64 ...