Secure Adobe Connect Pro Meeting with Stunnel | RTMPS | OpenSSL Alternative

You can use a third-party application to secure the Adobe Connect Pro Licensed Meeting Server (RTMPS).

To secure the Web application only (HTTPS), see Securing the Adobe Connect Pro Web Application (HTTPS only) with Stunnel (cpsid_53242).

To secure both the Web application (HTTPS) and the Meeting server (RTMPS), see Securing Adobe Connect Pro with Stunnel (cpsid_51240).

To secure an Adobe Connect Pro meeting (RTMPS) with Stunnel, do the following:

  1. Download the Stunnel windows installer from

  2. Install Stunnel on the same box as Adobe Connect.
  3. Insert the following code in the custom.ini without replacing or deleting any existing text:

  4. Copy your certificates and private keys to the root of the Stunnel install.
  5. Rename the stunnel.conf file in the root install directory of Stunnel and create a stunnel.conf file containing the following:

; Protocol version (all, SSLv2, SSLv3, TLSv1)

sslVersion = all

; Some performance tunings

socket = l:TCP_NODELAY=1

socket = r:TCP_NODELAY=1



; Service-level configuration ( put as many as you want in here)


; incoming vip for fms (to secure Meeting) IP address that resolves to meeting FQDN

accept =

;When Stunnel is on the same box, simply leave the below IP address as

; Send unencrypted request to 1935

connect =

; Certificate information for Connect Meetings

; This assumes that you put the cert and key in the root folder of Stunnel

cert = CertificateNameHere.pem

key = CerificateKeyNameHere.pem

  1. From the Start / Programs menu, find Stunnel and select Install Service. If you have a passphrase on your private key, remove it.
  2. Start Stunnel service.
  3. Restart the Adobe Connect services. 
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