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  • Users: Narboule
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  1. Narboule

    Need subnet mask info

    Does anyone know where I can find some good basic subnet mask information? I need to block certain IP ranges and I don't know the first thing about what subnet mask to use. Thanks.
  2. Narboule

    Block incoming traffic for a single IP address

    I've got a pc that is used internally as a server. I would like my Cisco to block all traffic coming in from the Internet for this IP address except for traffic from four specific IP addresses. Can anyone help me with the access list entries?
  3. Narboule

    How do I obtain this text string?

    I'm updating an old project where we download an html file and extract information from it. Below is the old code. What I need to do is search for a particular html string that is a unique occurence in the text, then extract from the file, for example, the next 6 characters to the right of the...
  4. Narboule

    Filtering a specific IP address

    I'm pretty new to router configuration and have blocked certain ports on my Cisco 3620 for my entire network. I now need to block a specific IP address from using port 5190 on tcp and udp. What subnet mask do I use in the filter? Thanks.

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