[GitHub] [trafficcontrol] mhoppa opened a new pull request #3889: Update CIAB docs on how to expose services to localhost

[GitBox <gi...@apache.org>]

mhoppa opened a new pull request #3889: Update CIAB docs on how to expose services to localhost
URL: https://github.com/apache/trafficcontrol/pull/3889
 
 
   ## What does this PR (Pull Request) do?
   
   - [x] This PR fixes is not related to any Issue
   
   Following the documentation for bringing up CDN-in-a-Box implied that the services would be exposed to the host by default which is not the case. This PR updates the documentation to reflect the actual behavior, 
   
   ## Which Traffic Control components are affected by this PR?
   
   - Documentation
   
   ## What is the best way to verify this PR?
   
   Local documentation can be brought up to verify but since it is just changing a couple of sentences not required.
   
   There is no test updates as it is purely a documentation change.
   
   ## The following criteria are ALL met by this PR
   
   - [x] I have explained why tests are unnecessary
   - [x] This PR includes documentation OR I have explained why documentation is unnecessary
   - [x] An update to CHANGELOG.md is not necessary
   - [x] This PR includes any and all required license headers
   - [x] This PR does not include a database migration
   - [x] This PR **DOES NOT FIX A SERIOUS SECURITY VULNERABILITY** (see [the Apache Software Foundation's security guidelines](https://www.apache.org/security/) for details)
   
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