Articles tagged with udp_ports

  1. Using ACLs to Block NetBIOS Traffic on Cisco Catalyst Switches

    Posted on in Networking

    In a Metro Ethernet network, the possibility exists for a lot of NetBIOS broadcasts if your users are connecting directly to the ring rather than through a firewall. My first assumption was that most users would have a firewall, but this is really only guaranteed in the case of business-class …

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