Comments

• I would suggest running a packet capture with Wireshark. Then force your PC to do a DHCP Discover to see what is offering that address out. You should be able to look at the OUI of the MAC address to narrow it down. The subnet 192.168.0.0/24 sounds like what a lot of cable modems use for their DHCP.

  in Cisco Linksys E1200 and Tz670 Comment by Nathan_M November 29
• Do you have the Intrusion Prevention System (IPS) turned on and have it set to block low priority attacks? If so try de-selecting the prevent all option for low priority attacks. Then retest to see if PINGs work. I would also create a custom rule to allow ICMP from your LAN to backup zone and set the priority manually to…

  in How do I use output of packet monitor capture to identify which rule or policy blocking the PING Comment by Nathan_M November 7
• Does the new access rule have a higher priority than other WAN-to-WAN access rules? Are there any conflicting rules with a higher priority than your new rule?

  in TZ-500 - Loads of Probably and Possible Port Scans Comment by Nathan_M November 7