![]() ![]() However, you might need to enforce more complex security policies, such as allowing requests to AWS endpoints only, or blocking fraudulent websites, which you can’t easily achieve by using iptables rules. Using iptables rules, you could restrict outbound traffic with your NAT instance based on a predefined destination port or IP address. On an Amazon VPC, many people use network address translation (NAT) instances and NAT gateways to enable instances in a private subnet to initiate outbound traffic to the Internet, while preventing the instances from receiving inbound traffic initiated by someone on the Internet.įor security and compliance purposes, you might have to filter the requests initiated by these instances (also known as “egress filtering”). Major changes include: support of Amazon Linux 2, no longer having to compile Squid 3.5, and a high availability version of the solution across two availability zones.Īmazon Virtual Private Cloud (Amazon VPC) enables you to launch AWS resources on a virtual private network that you’ve defined. ![]() ![]() September 4, 2019: We’ve updated this blog post, initially published on January 26, 2016. September 23, 2020: The squid configuration file in this blog post and associated YAML template have been updated.
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