Tags » Iptables

herbie security by obscurity

iptables -t nat -A OUTPUT -p tcp -d {host} –dport {port-mapped} -j DNAT –to-destination {IP:port}

Networking

Using Odroid as IP Router

I purchased an Odroid-XU4 for ca. 80 EUR including power-supply and case from Pollin. The original manufacturer is hardkernel. I intended to use this small… 3,046 more words

Linux

How to modify SSH remote login port in Linux

SSH: short for Secure Shell, SSH (developed by SSH Communications Security Ltd.) is a secure protocol for remote logins. Using an SSH client, a user can connect to a server to transfer information in a more secure manner than other methods, such as telnet. 120 more words

Hacking

Wallaby's Nightmare - Walkthrough

This segment of my Vulnhub series covers my walkthrough for the “Wallaby’s Nightmare (v1.0.2)” game.

Finding Host and uncover services

As always, I began finding the address of the game: 1,004 more words

Security

noob iptables cheat sheet

Notes:

  1. All rules are processed from top to down.  Once a rule is matched (with jump), the rest will be ignored.
  2. Never run iptables -F if the default rules are DROP or your system will be inaccessible.  
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Linux

Test driving App Firewall with IPTables

With more and more application moving to the cloud, web based applications have become ubiquitous. They are ideal for providing access to applications sitting on the cloud (over HTTP through a standard web browser). 1,279 more words

Linux

IPTables: Matching A GRE packet based on tunnel key

I was trying to figure out a way to match packets with a certain GRE key and take some action. IPTables does not provide a direct solution to this problem but has the u32 extension modules that can be used to extract 4 bytes of the IP header and match against a pattern. 749 more words

Linux