Antialts

Why use an antialts system?

It’s important to have an antialts system in place to prevent banned users from rejoining your server under new accounts. This is a security measure which lets your server stay protected from users attempting to evade bans or punishments.

How does antialts work?

Antialts fingerprints every member that joins your server and compares them against a cache of recently banned users. It uses a flag-based system to determine how suspicious a new join is, then takes action automatically based on your configuration.

Flag System

Flags are split into two categories — Minor and Major. The combination of flags determines what action is taken.

Flags	Action
3x Minor	Mod alert only
1x Major	Quarantine
1x Major + 1x Minor	Auto-action
2x Major	Auto-action

Minor Flags

• Account Age — Account was created less than 7 days ago
• Similar Username — Username closely matches a recently banned user
• Same Invite — Used the same invite link as a previously banned user

Major Flags

• Join After Ban — Joined within the ban watch window after a member was banned
• Avatar Match — Avatar perceptually matches a recently banned user

Configuring antialts

Opening the configuration panel

You can open the interactive antialts configuration panel with the following command.

Syntax

.antialts

Setting a log channel

Set the channel where dossier embeds and mod alerts are sent when a suspected alt joins.

Syntax

.antialts logchannel (channel)

Setting a quarantine role

Set the role applied to suspected alts pending mod review.

Make sure the quarantine role restricts access to all channels so the suspected alt cannot interact with your server.

Syntax

.antialts quarantine (role)

Setting the ban watch window

Set how long after a ban antialts should watch for potential alts joining. Defaults to 30 minutes.

Syntax

.antialts window (minutes)

Setting the name similarity threshold

Set how similar a username must be to a banned user’s to trigger a Minor flag. Defaults to 80%.

It’s recommended to keep this between 75 and 90. Lower values may produce false positives.

Syntax

.antialts similarity (value)

Setting the auto-action

Set what action is automatically taken when Major flags fire.

Available punishments can be found in the punishments section.

Syntax

.antialts autoaction (quarantine | kick | ban | none)

Exempting users from antialts

You can exempt users from antialts checks with the antialts whitelist command.

Whitelisted users will bypass all antialts detection entirely.

Syntax

.antialts whitelist add (user)
.antialts whitelist remove (user)
.antialts whitelist list

Enabling and disabling antialts

You can enable or disable the antialts system using antialts enable or antialts disable.

Manually checking a member

You can manually run the alt check on any current member to see what flags would fire.

Syntax

.antialts check (member)

Viewing the ban cache

You can view the current in-memory ban cache to see which recent bans antialts is actively watching.

Syntax

.antialts cache