I have two LAN networks on my server. I tried to bridge them, but the server got attacked post bridging.

Does bridging open additional ports on the existing connections, and can bridging alter the networking system for other systems connected on the network?

I am not a networking guy so I am not sure if this is possible or not.

  • Did any answer help you? If so, you should accept the answer so that the question doesn't keep popping up forever, looking for an answer. Alternatively, you could provide and accept your own answer.
    – Ron Maupin
    Commented Aug 14, 2017 at 18:44

1 Answer 1


You should not bridge links with different network addresses, this can cause problems. Bridging is the same thing as connecting the links on the same VLAN with a switch. Layer-2 traffic is transparently passed through the bridge.

If you were attacked through one of the links, you had those links anyway. Your attack could come through any link attached to your system.

  • 1
    Bridging can also cause loops where there is no STP.
    – HAL
    Commented Jul 8, 2016 at 15:21

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.