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Access-Lists with IOS Router/Bridging

Hello,

I have an IOS device set to be a bridge that is sitting between a customers site and the Internet. I would like to be able to block traffic from passing through the bridge selectively, ie to prevent UDP/137 from hitting the customers firewall. Is this at all possible?

  • Other Security Subjects
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Bronze

Re: Access-Lists with IOS Router/Bridging

The bridging software allows you to create access lists to administratively filter MAC addresses. Also, since you are routing on certain interfaces, you can apply a normal access list to filter traffic based on IP/Port. Between these two options, you should be able to stop all the traffic you want to.

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