# ETag from S3 did not match computed MD5

**URL:** <https://www.ruby-forum.com/t/etag-from-s3-did-not-match-computed-md5/243534>\
**Category:** NGINX\
**Created:** [December 2, 2015, 8:56am UTC](https://www.ruby-forum.com/t/etag-from-s3-did-not-match-computed-md5/243534 "2015-12-02T08:56:13Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Rafa\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/958977/32.png) [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Post date:** [December 2, 2015, 8:56am UTC](https://www.ruby-forum.com/t/etag-from-s3-did-not-match-computed-md5/243534/1 "2015-12-02T08:56:13Z")

</div>

Hello, I am new in NGINX. I am using boto service with NGINX.

When I am sending a put request I get a response with ETag which does  
not  
match the MD5.

My question is: what could be the reason for that?

Thanks,  
Ortal

Posted at Nginx Forum:

> **[ETag from S3 did not match computed MD5](https://forum.nginx.org/read.php?2,263186,263186#msg-263186)**
>
> Hello, I am new in NGINX. I am using boto service with NGINX. When I am sending a put request I get a response with ETag which does not match the MD5. My question is: what could be the reason for that? Thanks, Ortal