linux networking

HowTo: UNIX / Linux Open TCP / UDP Ports

by Vivek Gite on September 3, 2010 · 4 comments

How do I open the TCP or UDP ports under UNIX / Linux like operating systems?

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Linux Kernel /etc/sysctl.conf Security Hardening

by Vivek Gite on October 27, 2009 · 2 comments

How do I set advanced security options of the TCP/IP stack and virtual memory to improve security and performance of my system? How do I configure Linux kernel to prevent certain kinds of attacks using /etc/sysctl.conf? How do I set Linux kernel parameters?

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