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Questions tagged [amazon-vpc]

Amazon Virtual Private Cloud (Amazon VPC) lets you provision a private, isolated section of the Amazon Web Services (AWS) Cloud where you can launch AWS resources in a virtual network that you define. With Amazon VPC, you can define a virtual network topology that closely resembles a traditional network that you might operate in your own datacenter.

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2516 questions
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Default AWS VPC vs A new one?

Should I use the AWS Default VPC, or should I create a new one? What are the differences and advantages to create a new one? Or, in witch situations should I select between the two?
Ofer Velich
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Public IP of AWS Internet gateway

I would like to know the public IP of AWS internet gateway. My client needs it to do an IP whitelist. How can I get it? My instance is faced to the internet directly and didn't route via any NAT gateway. From my understanding, The public IP should…
WICHPONG KAO-IAN
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Why can't I connect AWS RDS instance from EC2 instance in another VPC after peering

I am running Tableau Server on our EC2 instance in VPC A. Meanwhile, I created a postgres RDS in another VPC B. Now I want to establish the connection between the Tableau Server and RDS. CIDR of RDS VPC is 172.31.0.0/16 and that of EC2 VPC is…
ddd
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How can I change an elasticbeanstalk environment vpc?

I can't seem to find any documentation on this. How do I go about changing the VPC for an elasticbeanstalk environment? I have tried changing the security group from the current group to a group in the new VPC, but amazon returns the following…
melchoir55
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What is the diference between Network ACL and Route Tables in AWS?

I don't find easily the difference between those AWS VPC options.
Samuel David Gómez Ramos
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At least one security group must open all ingress ports. AWS Glue connecting to RDS

I am still starting out with AWS Glue and I am trying to connect it to my publicly accessible MySql database hosted on RDS Aurora to get its data. So I start by creating a crawler and in the data store I create a new connection as in the screenshot…
Naguib Ihab
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How can I list all resources that belongs to a certain VPC?

At my AWS account, I have few VPC. I'm trying to find a way to list all resources that located under a certain VPC. Thanks!!
ofer
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Why use a VPC with AWS Lambda or AWS DynamoDB?

I read many people struggling connection their Lambda to their DynamoDB, because they live in a VPC. But my question is, why use a VPC at all? VPC are meant to protect services with a direct connection to the outside world (AKA internet). Things…
Vadorequest
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AWS latency between Zones within a same Region

I have an EC2 and RDS in the same region US East(N. Virginia) but both resources are in different zones; RDS in us-east-1a and EC2 in us-east-1b. Now the question is that if I put both resources within the same zone then would it speed up the data…
UsamaAmjad
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Why can I call an on-VPC aws lambda from an off-VPC aws lambda but not vice versa?

So if I have two lambdas, one inside a private VPC, and one not on a VPC, calling the private lambda from inside the public lambda works but I cant call the public from the private lambda. There's no NAT setup. Why is this? It seems that I should…
Dr. Chocolate
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How to let AWS lambda in a VPC to publish SNS notification?

I have a lambda function that accesses my Postgres db in RDS via VPC. After it queries the db, I want to post a notification to SNS. Because my lambda function exists in my VPC, it cannot access SNS. I have an internet gateway on my VPC. I read…
lawrence
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How to get the IP address of RDS instance in AWS

I got the same answer everywhere on the internet regarding my question of how to get the IP address of an RDS instance in AWS, but I don't know what dig is, and how to use it. How to allocate IP address in VPC to RDS instance? Please help me find…
Amit
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AWS VPC Create Subnet in with different zone

I already have a VPC (Non Default) configured which is used by Amazon EC2. I need to create another subnet (Non Default) in the same VPC with a different Availability Zone. So when I am trying to Add details, I am stuck at the CIDR Block. I am…
AvtarSingh Suchariya
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AWS NLB in public subnets with EC2 in private subnets

Has someone configured a NLB in the public subnets of your VPC to route traffic to EC2 instances that are in the private subnets? When using an ELB, a good solution is to create a Security Group for the ELB and then create another SecurityGroup for…
Luis
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AWS RDS Writer Endpoint vs Reader Endpoint

I created an Amazon Aurora instance in my VPC. When the instance was created, it came with 2 endpoints, a writer and a reader endpoint. The instance is using a security policy with an ingress rule (Type: All Traffic, Protocol: All, Port: All,…
Hao Chang
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