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Router blocking a single website
I have an RBR750 system with two satellites. Recently, the router has begun blocking access to one particular site, which happens to be my personal website. I can access the site by any method o...
When accessing the web site using the IP address (which removes DNS from the first connection - although web sites often generate numerous additional connections which may need to be resolved) what happens?
i.e. the web browser reports "Timed Out", or.....
What tools are available for troubleshooting? For example, the Orbi router can be set to record LAN and WAN traffic into a pcap file which can be opened with a packet analyzer (Wireshark for Windows, tcpdump or other programs for Mac).
- Open the router debug page: http://orbilogin.net/debut.htm
- Select the option to Enable LAN/WAN packet capture
- Start Capture
- Attempt to access the web page
- On the debug page select Save Debug Log
- This will place a zip file on the computer called debug-log.zip
- Inside the zip file, lan.pcap will contain internal data packets and wan.pcap will contain packets captured on the WAN port.
- If there are packets in the WAN capture from the Orbi to the internet IP of the web site, then the Orbi is not "blocking".
If there are no packets on the WAN capture going to the IP address of the web server, something is seriously wrong.
Try a different DNS Server. Here's a few for ipv4. Also remember to change the ipv6 dns server if ipv6 is enabled
CloudFlare 1.1.1.1 and 1.0.0.1
GoogleDNS 8.8.8.8 and 8.8.4.4
When accessing the web site using the IP address (which removes DNS from the first connection - although web sites often generate numerous additional connections which may need to be resolved) what happens?
i.e. the web browser reports "Timed Out", or.....
What tools are available for troubleshooting? For example, the Orbi router can be set to record LAN and WAN traffic into a pcap file which can be opened with a packet analyzer (Wireshark for Windows, tcpdump or other programs for Mac).
- Open the router debug page: http://orbilogin.net/debut.htm
- Select the option to Enable LAN/WAN packet capture
- Start Capture
- Attempt to access the web page
- On the debug page select Save Debug Log
- This will place a zip file on the computer called debug-log.zip
- Inside the zip file, lan.pcap will contain internal data packets and wan.pcap will contain packets captured on the WAN port.
- If there are packets in the WAN capture from the Orbi to the internet IP of the web site, then the Orbi is not "blocking".
If there are no packets on the WAN capture going to the IP address of the web server, something is seriously wrong.