Introduction to IPTables

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=XKfhOQWrUVw

Summary • Extensive coverage of iptables and iptables syntax, firewall policies, and attacks: SYN flood ping flood (smurf attack). • 28:13 - nano text editor usage • 28:58 - How to install vi (vim) in Ubuntu • 29:15 - Review of execute permissions • 29:35 - Using vim to edit the firewall rules shell script • 36:24 - Review of chmod command • 36:53 - netstat command usage • 37:11 - How to install vsftpd • 37:22 - How to install openssh-server • 37:48 - Running the firewall rules shell script • 38:07 - Listing the active iptables firewall rules • 38:45 - Testing FTP access with active firewall rules • 39:33 - Testing SSH access • 40:35 - Re-enabling SSH access • 41:13 - Testing SSH access again (this time successful) • 41:37 - Testing ping (accepted) • 41:52 - Testing ping (rejected) • Reference Materials • Guide to Network Defense and Countermeasures - Chapter 11 (pgs. 439-444) • http://www.netfilter.org/documentatio... - Netfilter/iptables Documentation • http://www.vim.org/docs.php - Vim Documentation • • Additional Information • Logging: http://www.thegeekstuff.com/2012/08/i...

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