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    Dhcpd: unexpected ICMP Echo Reply from

    Firewalling
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    • S
      SCL
      last edited by

      hi folks,
      i've got a pfsense running on a dsl, 3 interfaces, 1 lan, 1 wan, 1 dmz, dhcp listening on lan and dmz. today the says this:

      dhcpd: unexpected ICMP Echo Reply from XXX.XXX.XXX.XXX (ip from inet)

      I thought, dhcp is only listening on lan and dmz-interface?!

      regards, dennis

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      • C
        cmb
        last edited by

        @SCL:

        dhcpd: unexpected ICMP Echo Reply from XXX.XXX.XXX.XXX (ip from inet)

        I thought, dhcp is only listening on lan and dmz-interface?!

        It does.

        Is that IP your WAN's gateway by chance?

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        • S
          SCL
          last edited by

          yes, it is :) what does that mean?

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          • K
            kaizer
            last edited by

            i want to know that firewall can detect the dhcp if using by wifi or hotspot not by LAN?????

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            • C
              cmb
              last edited by

              @SCL:

              yes, it is :) what does that mean?

              It was a good hunch then.  :)

              The quality RRD graph pings your default gateway. I found some instances of people reporting dhcpd picking up echo replies other than its own (I believe it pings IPs to see if they're assigned prior to assigning a lease, but I'm not sure offhand how pfSense dhcpd is configured). dhcpd apparently detects those replies while listening for other replies, when it shouldn't. Just cosmetic though, I wouldn't worry about it.

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              • S
                SCL
                last edited by

                thx for the explanation :)

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