network ip address

Display IP Address Allocation Table According to Subnet Mask

by on March 8, 2008 · 5 comments

If you need a tabular representation of relationships and source of the various variables representing a chunk from /32 to /0 subnets use iptab command. This is useful if you are allocating IPs to end users. Following information is displayed with the command: => CIDR notation => Network Mask => Available Networks => Available Hosts [...]

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Linux Iptables Avoid IP Spoofing And Bad Addresses Attacks

by on June 28, 2005 · 15 comments

A sample shell script to stop IP spoofing for internet connected interface using iptables under Linux.

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