Unknown client in DHCP client list

Discussion in 'Tomato Firmware' started by D_Reimer, Dec 25, 2007.

  1. D_Reimer

    D_Reimer LI Guru Member

    Does it mean anything if there happens to be an unknown client that pops up in the DHCP client list but it does not get an IP address?

    I'm wondering because last night there was an unknown MAC address listed as an eth1 interface and did not retrieve an IP address but it did show a decent signal quality. The MAC resolved to a wireless device that I know does not exist in the house therefore I know it wasn't a family member.

    Does this mean someone was attempting to connect?

    I am still using WEP with the only reason being because my younger brother has a DS Lite.
  2. LLigetfa

    LLigetfa LI Guru Member

    Intruders don't need to pull an IP from your DHCP. They can just as easily assign themself an IP. Blacklist the MAC.
  3. j.m.

    j.m. Network Guru Member

    And change your WEP key. Regularly. Switch to WPA when the little brother gets tired of the DS.
  4. D_Reimer

    D_Reimer LI Guru Member

    but do intruders who assign themselves their own IP show up on the Devices List at all? Because the only way I noticed it was because of the Devices list and then the unknown MAC address disappeared not too long afterwards.

    I guess I'll have to decide what I want to change my security settings too. At the moment, I've only gone as far as setting an access restriction to turn the wireless off during the night.
  5. LLigetfa

    LLigetfa LI Guru Member

    Why don't you hand job your settings and give it a try? You will see yourself in the device list.
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