On 2014-05-25 0:33, Reindl Harald wrote:
Am 25.05.2014 01:12, schrieb Hani Benhabiles:
On 2014-05-23 21:13, Jason Garin wrote:
Is there a way to disable weak ciphers used by gsad and openvasmd?

Yes, see --gnutls-priorities and --dh-params cli arguments

may i ask why there are no sane defaults and if you are aware
that many browsers not supporting DHE ciphers while OpenVAS
at least in V6 not supports ECDHE

normally if a software scans other machines and services
for PCI compliance the minimum is that itself is PCI
compliant at the same time - practice what you preach



For PFS support (using DH based algorithms) in GSA, the recently released libmicrohttpd 0.9.35 is required to be able to specify Diffie-Hellman parameters.

For ECDHE and ECDSA, GnuTLS 3.x is needed. GnuTLS 2.x doesn't support those (but you can add PFS support with DHE-RSA which is supported in 2.x)

IANAL, but the issue with GnuTLS seems to be a "GPLv2 only" problem (that was solved recently ? [1]) but I can't provide advice on this matter ;)

[1] https://wiki.debian.org/gnutls3
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