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network security

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Enterprises require high levels of security for their computer systems. A server attack or a malware intrusion can cause incalculable damage. Prudence, therefore, is …

AdminBasics
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Nmap is Hollywood’s most famous “hacking” tool that has featured on numerous blockbusters. It was originally written to find hosts in a network thus …

Basics
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This final article in the series consolidates information from the previous articles, looks at NMap’s future possibilities, and at the new tools from the …

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Networks play an important role in a sysadmin’s life. But have you ever wondered about the security of your network, or tried to find …

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In previous articles, we have studied NMap in great detail, including live scanning a firewall and verifying the recommendations. Now, it’s time to study …

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The previous article detailed methods to scan an IPCop-based firewall in a test environment. The scan output revealed several open ports, which could lead …

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After four articles on Nmap [1, 2, 3 & 4], which explained a number of command-line options for scan technique specification, target specification, port …