Ziggo client?
The first check is very important.
Firewall cannot be disabled, only set to a certain preset. What are the current settings?
No Ziggo Clients
Firewall Settings
Enable SPI : Checked and Unchecked doesn't works.
Nat Endpoint Filtering
UDP Endpoint Filtering:
Endpoint Independent doesn't works
Address Restricted doesn't works
Port And Address Restricted doesn't works
TCP Endpoint Filtering:
Endpoint Independent doesn't works
Address Restricted doesn't works
Port And Address Restricted doesn't works
Anti-Spoof checking
Enable anti-spoof checking: Checked and Unchecked doesn't works.
DMZ Host
Not the problem
Application Level Gateway (ALG) Configuration
PPTP : Checked and Unchecked doesn't works.
IPSec (VPN) : Checked and Unchecked doesn't works.
RTSP : Checked and Unchecked doesn't works.
SIP : Checked and Unchecked doesn't works.
Thanks in advance.