Redis.com Connection Failing

[craigmsqrd]

Hi, I am trying to connect to a free redis.com database within fly. Locally I can connect to the remote fine.

I have a redis connection string (works locally well) redis://default:PW@redis-16620.xxxxxxxx.eu-west-2-3.ec2.cloud.redislabs.com:16620

When deployed to fly I see:

{
  "library":"SSL routines",
  "reason":"packet length too long",
  "code":"ERR_SSL_PACKET_LENGTH_TOO_LONG"
}

I have tried appending ?family=4 and ?family=6 to force ipv4/6 version, no change.

redis is correct (rather than rediss) as the free tier does NOT include TLS.

[halfer]

What library are you using? Do you know that the family query string device definitively should work?

[craigmsqrd]

IORedis is the client library.

from their source they respect the family=4|6 query param ioredis/lib/utils/index.ts at main · redis/ioredis · GitHub

if (typeof options.family === "string") {
    const intFamily = Number.parseInt(options.family, 10);
    if (!Number.isNaN(intFamily)) {
      result.family = intFamily;
    }
  }

[halfer]

Coolio, alrighty. I’d next check the connection from the Fly console using one of these techniques. redis-cli sounds worth a try.