DOC: config: clarify the fact that SNI should not be used in HTTP scenarios

As reported by Tim in issue #1373 some warnings are deserved to explain
why using the frontend SNI for routing or connecting to a server is
usually not correct, especially since it can be tempting and used to
make sense in pure TCP scenarios.

(cherry picked from commit d26fb57e817da6cb587c0b61baf60a011e756c49)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 0b41d6be9bf7d8a091ddcb8a6630ff747f63ee87)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 2dc31601680f934f18dd6b3575ae33612299f39a)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed