Posts tagged networking

Find open ports locally

Use netcat (from the package net-tools)

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Tuning Nginx to handle big headers

The error message that nginx throws is:

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Check whether a port is open or not

Use netcat:

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Domain name resolution

Information is stored in the form of DNS records. There are different types of records and some of them required for our discussion are mentioned below:

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What is my public IP?

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netstat

net-tools

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