https://akash5100.github.io/tags/tools/Recent content in Tools on akash5100HugoenSat, 30 Sep 2023 00:00:00 +0000https://akash5100.github.io/posts/2023-09-30-firewall/Sat, 30 Sep 2023 00:00:00 +0000https://akash5100.github.io/posts/2023-09-30-firewall/<p>While there are many blogs and tutorials available on accessing a Virtual Cloud Network in a VM instance, such as this <a href="https://docs.oracle.com/en/learn/lab_virtual_network/index.html#introduction">comprehensive guide(by oracle)</a>. Some of the VM instances I&rsquo;m working with are not vanilla; they come with the distributor&rsquo;s packet blockers and they block traffics on all the ports.</p> <p>I worked around <a href="https://linux.die.net/man/8/iptables">Iptables</a> a default firewall for linux, I think. It is used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel. Several different tables may be defined. Each table contains a number of built-in chains and may also contain user-defined chains.</p>