Troubleshooting Network Connectivity

Configuration guides, troubleshooting and practical advice for AZTCOFW.

Articles

7 results

Client Tests

Test if the client can ping the LAN IP of the firewall If this fails, check the LAN rules, client IP/subnet mask, LAN IP/subnet mask, etc. Test if the client can ping the WAN IP of the firewall If this fails, check the c

Diagnostic Tests

Check connectivity from the firewall itself: Try to ping 8.8.8.8 ( Diagnostics > Ping ) If this does not work, ensure proper WAN settings, gateway, etc. Check DNS: Try to lookup pfsense.org ( Diagnostics > DNS Lookup ) I

Firewall/Rules

Check the firewall log for blocked connections from the LAN ( Status > System Logs , Firewall tab) If blocks are observed, check the rule that blocked and adjust rules accordingly ( Firewall > Rules , LAN tab) Check that

LAN Interface

Check that the LAN IP address is correct ( Interfaces > LAN ) Using an invalid IP address (e.g. .0 or .255 in a /24) will cause problems reaching addresses locally and will not work properly. Check that the LAN subnet ma

Miscellaneous Additional Areas

If Captive Portal is enabled, temporarily disable it ( Services > Captive Portal ). Check for packages such as Squid that might interfere, disable them if necessary Improperly configured proxies would allow certain traff

Outbound NAT

Check Outbound NAT , ensure it is set for Automatic Outbound NAT unless Manual is required ( Firewall > NAT , Outbound tab) Incorrect NAT settings will prevent traffic from reaching WAN Check Manual Outbound NAT rules, i

WAN Interface

Check that the WAN IP address is correct ( Interfaces > WAN ) Using the wrong address could cause a failure of the ISP to deliver traffic to/from the firewall, among other issues Check that the WAN IP address has the cor