amuleapi.conf

amuleapi.conf is the configuration file for the amuleapi daemon (REST API and Web UI). It is the only configuration file amuleapi reads — it does not use remote.conf. It uses standard INI syntax and is read once at startup.

amuleapi creates the file from defaults on first run, so in most setups it needs no manual editing: the HTTP bind address and port, the EC connection, and the Web UI login passwords can all be set from Preferences → Remote Controls; the login passwords can also be set with amuleapi --set-admin-pass / --set-guest-pass, and the other command-line options override the file for a single run without saving to it. Edit this file directly to tune the settings that have no GUI field (the [Auth] and [Streaming] knobs).

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amuleapi.conf is created with permissions 0600 (owner read/write only), and amuleapi checks it on every load — on POSIX systems it refuses to start if the file has any group or other permission bit set (it does not fix the permissions itself; it prints the chmod 600 command to run). Keep these permissions if you edit the file.

Location and file name

Location:

Platform	Path
Windows	%APPDATA%\aMule\amuleapi.conf
macOS	~/Library/Application Support/aMule/amuleapi.conf
Linux / Unix / BSD	~/.aMule/amuleapi.conf

amuleapi looks for the file in the aMule configuration directory (the same directory as amule.conf). Use the --config-dir=<path> command-line option to point it at a different directory.

Format

amuleapi.conf uses standard Windows INI format:

• Configuration options are key=value pairs, one per line.
• Keys are grouped into sections identified by [SectionName] headers.
• Internally, keys are referenced using a path-like notation: /SectionName/KeyName. For example, the key Port in the section [Server] is referenced as /Server/Port.
• Boolean keys use 0 (false / disabled) and 1 (true / enabled).
• Missing keys fall back to the built-in defaults listed below; a missing file is created with every key at its default.

[Server] section

The HTTP server that serves the REST API and the Web UI.

Key	Default	CLI override	Description
BindAddress	127.0.0.1	--bind=<address>	Address the HTTP server listens on. 127.0.0.1 = loopback only.
Port	4713	--http-port=<port>	TCP port for the REST API and Web UI. Must be in the range 1–65535.
AllowCORS	0	(none)	Enable Cross-Origin Resource Sharing (CORS) response headers.
CorsOriginAllowlist	(empty)	(none)	Comma-separated list of allowed origins, used only when AllowCORS=1.
StaticRoot	(empty)	(none)	Filesystem directory of the Web UI assets. Empty (the default) = auto-discover the installed amuleapi-static/ folder; when nothing is found the daemon runs API-only and non-/api/ paths return 404. Set a path to serve a specific asset directory.
BasePath	(empty)	(none)	URL path prefix when a reverse proxy serves amuleapi under a path of a shared hostname, e.g. /amule for https://home.example.com/amule/. Empty = served at the root. Letters, digits, -, ., _, ~ and / only; any other value stops amuleapi from starting. See Serving under a sub-path.

Serving under a sub-path

Set BasePath when a reverse proxy shares one hostname between amuleapi and other apps, e.g. BasePath=/amule for https://home.example.com/amule/:

• The REST API, the SSE event stream and the Web UI all work under the prefix.
• Requests without the prefix are still accepted, so the proxy can either forward the prefix or strip it. No cookie or header rewriting is needed in the proxy.
• /amule (no trailing slash) redirects to /amule/.
• The session cookie path becomes <BasePath>/api/v1.

Caddy:

home.example.com {
    redir /amule /amule/
    reverse_proxy /amule/* 127.0.0.1:4713
}

nginx:

location /amule/ {
    proxy_pass http://127.0.0.1:4713;
    proxy_http_version 1.1;
}

[EC] section

How amuleapi reaches the aMule core over External Connections (EC).

Key	Default	CLI override	Description
Host	127.0.0.1	-h / --host	Hostname or IP address of the machine running amule or amuled.
Port	4712	-p / --port	The core's EC port (matches ECPort in amule.conf).
Password	(empty)	(none)	Plain-text EC password. Must match the core's ECPassword. Needed only for a hand-started amuleapi; an auto-started one uses a one-off token instead (see Auto-Start). There is deliberately no --password flag.
Encryption	1	--disable-ec-encryption	Use authenticated EC encryption (0 = off, 1 = on). The --disable-ec-encryption flag turns it off for a single run.

[Auth] section

Per-IP rate limiting for login attempts and rejected tokens. These are config-only — there is no GUI field. They mirror, but are separate from, the EC auth-throttle keys in amule.conf's [ExternalConnect] section. Exceeding a threshold returns 429 Too Many Requests with a Retry-After header.

Key	Default	Description
LoginFailureWindowSeconds	60	Sliding window, in seconds, over which failed logins are counted per IP.
LoginFailureThreshold	5	Failed logins allowed within the window before the IP is locked out.
LoginLockoutSeconds	300	Lockout duration, in seconds, after too many failed logins.
TokenFailureWindowSeconds	60	Sliding window, in seconds, over which rejected tokens (401s on authenticated routes) are counted per IP.
TokenFailureThreshold	30	Rejected tokens allowed within the window before the IP is locked out.
TokenLockoutSeconds	300	Lockout duration, in seconds, after too many rejected tokens.

[Streaming] section

Tuning for the Server-Sent Events (SSE) stream and browser file downloads. Config-only — no GUI field.

Key	Default	Description
EventBusRingCapacity	16384	Number of past SSE events retained for Last-Event-ID replay on reconnect. Any positive value is accepted; the daemon clamps it up to an internal minimum. Memory is roughly capacity × ~1 KB.
MaxConcurrentFileResponses	6	Maximum number of file downloads served to browsers at once (GET /shared/{hash}/content). Accepted range 1–256; requests over the limit get 503 with Retry-After. This is a global budget, not per-user.

Complete example

The following is a representative amuleapi.conf with the default values:

[Server]
BindAddress=127.0.0.1
Port=4713
AllowCORS=0
CorsOriginAllowlist=
StaticRoot=
BasePath=

[EC]
Host=127.0.0.1
Port=4712
Password=
Encryption=1

[Auth]
LoginFailureWindowSeconds=60
LoginFailureThreshold=5
LoginLockoutSeconds=300
TokenFailureWindowSeconds=60
TokenFailureThreshold=30
TokenLockoutSeconds=300

[Streaming]
EventBusRingCapacity=16384
MaxConcurrentFileResponses=6

See the amuleapi documentation for the daemon itself, and the Configuration Files catalogue for its companion files (amuleapi-passwords, amuleapi-jwt-secret, and amuleapi-ec-token).