---
summary: Prevent human signups that begin with `_`
---
created: 2016-07-25 16:15:24.0
creator: leonerd
description: To distinguish human from AS-ghost accounts.
id: '12769'
key: SYN-738
number: '738'
priority: '3'
project: '10000'
reporter: leonerd
resolution: '1'
resolutiondate: 2016-07-29 16:51:17.0
status: '5'
type: '4'
updated: 2016-07-29 16:51:17.0
votes: '0'
watches: '1'
workflowId: '12869'
---
actions:
- author: leonerd
  body: Should this be a configuration option? We don't want to allow new user signups beginning with `_` on matrix.org, because of clashes with ASes; but maybe other sites wouldn't mind that?
  created: 2016-07-25 16:24:03.0
  id: '13082'
  issue: '12769'
  type: comment
  updateauthor: leonerd
  updated: 2016-07-25 16:24:03.0
- author: leonerd
  body: This is now committed into synapse(develop) and tested
  created: 2016-07-29 16:51:09.0
  id: '13089'
  issue: '12769'
  type: comment
  updateauthor: leonerd
  updated: 2016-07-29 16:51:09.0