[stunnel-users] stunnel server configuration requirement to handle CBC protection

Michal Trojnara Michal.Trojnara at mirt.net
Wed Nov 13 19:49:25 CET 2013

On 2013-11-04 18:12, Simner, John wrote:
> To prevent man-in-the-middle attacks, the phone should be able to
> handle the fragmented TLS block when CBC protection is activated on
> the client tomcat server.
> I have been unable to find the appropriate stunnel configuration item
> to support this.
> Please could you inform me how this is handled through stunnel.

There is no option to *enable* CBC protection, as this is the default.

Use "options = DONT_INSERT_EMPTY_FRAGMENTS" to disable this secure default.

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