Status: 12204 The specified Secure Sockets Layer (SSL) port is not allowed. Forefront TMG is not configured to allow SSL requests from this port. Most Web browsers use port 443 for SSL requests.

TMG Server is outgoing https non standard port 3222 I have access rule to allow computer to external for all users on port 3222 I get below error on TMG capturing logs I have also added external IP into proxy by pass list. It is just not working Someone resolved this issues in the past.
<id id="L_LogPane_LogType">Log type:</id><id id="L_LogPane_WebProxyForward">Web Proxy (Forward)</id>
<id id="L_LogPane_Status">Status: </id>12204 The specified Secure Sockets Layer (SSL) port is not allowed. Forefront TMG is not configured to allow SSL requests from this port. Most Web browsers use port 443 for SSL requests.
<id id="L_LogPane_Source">Source:</id>Internal (xx.xx.xx.xx:61244)
<id id="L_LogPane_Destination">Destination:</id>xx.xx.xx.xx:3222
<id id="L_LogPane_Request">Request: </id>xx.xx.xx.xx:3222
<id id="L_LogPane_FilterInfo">Filter information:</id>Req ID: 14180cad; Compression: client=No, server=No, compress rate=0% decompress rate=0%
<id id="L_LogPane_Protocol">Protocol:</id>SSL-tunnel
<id id="L_LogPane_User">User: </id>anonymous
Image may be NSFW. Clik here to view.Additional information <id id="L_LogPane_ObjectSource">Object source:</id>Internet (Source is the Internet. Object was added to the cache.) <id id="L_LogPane_CacheInfo">Cache info: </id>0x0 <id id="L_LogPane_ProcessingTime">Processing time:</id>0<id id="L_LogPane_MimeType">MIME type:</id>

Muhammad Mehdi