amazon web services - "aws s3 ls" command throwing "InvalidRequest" error message. How to solve it? -

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after run aws s3 ls command below error message:-

a client error (invalidrequest) occurred when calling listbuckets operation: attempting operate on bucket in region requires signature version 4. can fix issue explicitly providing correct region location using --region argument, aws_default_region environment variable, or region variable in aws cli configuration file. can bucket's location running "aws s3api get-bucket-location --bucket bucket".

below more details , findings may answer question:-

  • the command being executed ec2 instance running in ap-south-1 region.

  • this amazon doc says new region created after jan 30 2014 support signature version 4.

  • as suggested error message tried giving command aws --region ap-south-1 s3 ls command gives same error message.

  • i have run yum update , aws cli version latest aws-cli/1.10.33 python/2.7.10 linux/4.4.11-23.53.amzn1.x86_64 botocore/1.4.23

  • the above aws s3 ls command works absolutely fine , lists buckets if executed us-east-1 instance.

you need update aws cli latest version(v1.11.84 @ time of writing).

if yum update not working try following guide install aws cli

the reason behind error is, in newer regions aws s3 doesn't support lower signature version.


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