Articles Today I Learnt FM

network

DNS resolutions inside a VPC only uses the most specific Route53 zone on

If you have multiple DNS entries for the same host, spread on different zones on Route53, resolutions only consider the zone that maches with the highest number of DNS levels.

For instance, …

How to route to all containers of a Docker host directly from LAN on

In its default configuration, a Linux machine running Docker runs containers in a dedicated virtual ethernet network that is bridged to the host network. Even with ports not bound to the host network …

How to DNAT FTP connections on

Let’s consider the scenario of a NAT server doing the forwarding between an internal network and internet, and a client that sits in the internal network which runs the ftp client. To simulate …

Routing in AWS checks that source IP or destination IP is respected on

A EC2 instance that you launch is only allowed to receive traffic if the destination IP matches what the DHCP server assigned. Similarly, a EC2 instance is allowed to use a certain IP as source only …

Page 1