Please note this is unlikely to be related to MCL-5546, since ByteFence is a Windows-only application, and in this case the Firewall was turned off and the System Preferences were set to "Allow apps downloaded from: Anywhere". Could this possibly be an Akamai caching issue?

After clicking on Play - Download 1.11.2 - Latest release, the jar files begin downloading successfully, but then the process stops with the error:

"Failed to download file. hit3.ogg".

The detailed error is:

Name: hit3.ogg
URL: http://resources.download.minecraft.net/ad/ad126e435cca94054bf0d616301799a105526cde
Error details: HTTP 400: Bad Request
Filename on disk: 6ad9-d1f0-bbe0-f47e
Path: /var/folders/vd/2kqgn06509v0hgf7ht3q2czw0000gn/T/6ad9-d1f0-bbe0-f47e
Exists: file

Using Chrome, trying to download from the URL http://resources.download.minecraft.net/ad/ad126e435cca94054bf0d616301799a105526cde gives the response:

Invalid URL

The requested URL "[no URL]", is invalid.
Reference #9.1a184a17.1491879901.b249f8b

The headers are as follows:

Request URL:http://resources.download.minecraft.net/ad/ad126e435cca94054bf0d616301799a105526cde
Request Method:GET
Status Code:400 Bad Request
Remote Address:23.74.205.239:80
Referrer Policy:no-referrer-when-downgrade

Response Headers
view source
Connection:close
Content-Length:208
Content-Type:text/html
Date:Tue, 11 Apr 2017 03:05:01 GMT
Expires:Tue, 11 Apr 2017 03:05:01 GMT
Mime-Version:1.0
Server:AkamaiGHost

Request Headers
view source
Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,/;q=0.8
Accept-Encoding:gzip, deflate, sdch
Accept-Language:en-US,en;q=0.8
Cache-Control:max-age=0
Cookie:optimizelySegments=%7B%226937221954%22%3A%22search%22%2C%226933812425%22%3A%22gc%22%2C%226930901904%22%3A%22none%22%2C%228008760546%22%3A%22true%22%2C%228022280755%22%3A%22true%22%2C%226930362166%22%3A%22false%22%2C%228220912243%22%3A%22true%22%7D; optimizelyBuckets=%7B%227868788245%22%3A%227867244895%22%7D; optimizelyEndUserId=oeu1491876356454r0.6309591264690875
Host:resources.download.minecraft.net
Proxy-Connection:keep-alive
Upgrade-Insecure-Requests:1
User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36