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Example configuration for coturn on AWS
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| /^external-ip=/ { | |
| print "external-ip=" PUBLIC "/" PRIVATE | |
| next | |
| } | |
| /^static-auth-secret=/ { | |
| print "static-auth-secret=" SECRET | |
| next | |
| } | |
| { print } |
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| external-ip=PUBLIC/PRIVATE | |
| static-auth-secret=SECRET | |
| listening-port 443 | |
| alt-listening-port 3478 | |
| fingerprint | |
| lt-cred-mech | |
| stale-nonce | |
| use-auth-secret | |
| realm=example.com | |
| no-loopback-peers | |
| no-multicast-peers | |
| syslog | |
| verbose | |
| tls-listening-port 443 | |
| alt-tls-listening-port 3478 | |
| cert /usr/local/etc/turnserver.crt | |
| pkey /usr/local/etc/turnserver.key | |
| cipher-list ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA | |
| no-sslv2 | |
| no-sslv3 |
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| "use strict"; | |
| const assert = require("assert"); | |
| const crypto = require("crypto"); | |
| const secret = process.argv[2]; | |
| assert.ok(secret, "Missing static-auth-secret argument"); | |
| // generated credentials expire 4 hours from now | |
| const expiration = Math.floor((Date.now() / 1000) + (4 * 60 * 60)); | |
| const username = "example:" + expiration; | |
| const hmacsha1 = crypto.createHmac("sha1", secret); | |
| hmacsha1.setEncoding("base64"); | |
| hmacsha1.write(username); | |
| hmacsha1.end(); | |
| const password = hmacsha1.read(); | |
| console.log("TURN username:", username); | |
| console.log("TURN password:", password); |
Run turnserver.js like this to generate TURN credentials:
$ node turnserver.js paO4faXUbg2wiCLIirgC
TURN username: example:1495627810
TURN password: tnPplWKVaTzW1LYS+uguhaaAujQ=
Note that these credentials expire 4 hours after they are generated. You can change the expiration time in turnserver.js if desired.
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Run awk(1) like this to generate the configuration. This will query the EC2 instance meta-data for the public and private IPv4 addresses and generate a new 20-byte static-auth-secret.