What RSA key length should I use for my SSL certificates?

Question

I\'m in the process of creating a CSR, and I wonder which is arguably the best length for my RSA key.

Of course, 384 is probably too weak, and 16384 is probably too

Answer 1

ENISA recommends 15360 Bit. Have a look to the PDF (page 35)

http://www.enisa.europa.eu/activities/identity-and-trust/library/deliverables/algorithms-key-sizes-and-parameters-report/at_download/fullReport