Firewall Issues 113
HomePortal 3801HGV Gateway User Guide Troubleshooting 3801HGV Gateway
Firewall Issues

The following table provides information to troubleshoot firewall issues:

Diagnostic Issues

The following table provides information to troubleshoot diagnostic issues:

Issue Possible Cause(s) What to Do
HTTP service not available HTTP traffic is disabled Navigate to Settings > Firewall > Advanced
Configuration. Select the HTTP checkbox from the
Outbound Protocol Control section to enable the HTTP
traffic to pass through the firewall.
Unable to connect to the VPN
tunnel
Unsupported port Check if the VPN service supports PPPoE, L2TP, PPTP,
and IPSec ports. If not, then you must open the
supported port. To open the supported port, perform port
forwarding, that is, add a new user-defined application.
Issue Possible Cause(s) What to Do
Ping/Traceroute/DNS query
does not respond
Incorrect host address is
entered
Ensure that you populate the correct destination IP in
the Host Address text box.
Remote logging error Syslogging is disabled Enable Syslog and enter the appropriate server location
to populate the logs at the remote node.
Syslog server is not installed/
enabled on the remote node
Ensure that you install a third party software to populate
the syslogs on the remote node.