Want to figure it out how can proxy server only allow SSL/TLS on 443 but block all SSL/TLS request to other ports? DPI?

Is there any workaround to by pass this. Can I tunnel via HTTP with other ports but not 443 and not detected by proxy firewall?

On 9 October 2013 01:42, Michal Trojnara <Michal.Trojnara@mirt.net> wrote:

On 2013-10-08 10:32, Heng Su wrote:
> Does it mean my company's proxy server is blocking SSL communication
> on all ports except 443?

[cut]

> 2013.10.08 14:18:43 LOG7[10601:3078687600]: <- HTTP/1.1 403 Forbidden
> 2013.10.08 14:18:43 LOG3[10601:3078687600]: CONNECT request rejected

Yes, it does. Your diagnosis is correct.

Mike

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Thanks & Best Regards,

Su Heng