mod04 Flashcards
review official AWS website
for every service and more
VPC
enables us to launch resources in a virtual network we define
subnet
subsection of a VPC to place a group of isolated resources; it can be public or private
internet gateway
allows n and ou communication it with internet
two ways to get a virtual private gateway
virtual private gateway (in the gate of our vpc)
VPN connection
AWS Direct Connect location
Customer o partner router
aws direct connect endpoint
network access list ACL
what kind of traffic it is allowed and what it is not
it is a virtual firewall for a subnet
default ALC (allows all in and out) and the custom one deny all in and out
ACL packet filtering is
stateless: to allow a package to exit the subnet it must check against and outbound list
security groups
vitual firewall for (an instance) EC2
by default allows all outbound trafic and denies all inbound traffic
security groups apply an stateful filtering
it remember previous decisions that were made for incoming packets
inbound and outbound
“entrante” y “saliente”
DNS
Customer and PC
then
Customer DNS resolver
then
Company DNS server
route 53
route users to internet
connect user requeststo infra in and out AWS
manage DNS for domain names
