On Fri, Feb 10, 2017 at 12:26:14PM +0100, Patrick Begou wrote: > Hello > > I have more and more troubles using firefox in professional > environment with CentOS6. The latest version is 45.7.0 But I can't > use it anymore to access some old server hardware (IDRAC7 of DELL > C6100) because of "/SSL_ERROR_WEAK_SERVER_CERT_KEY/". I had to > install an old Firefox32 version to administrate these servers. > Can you try: (in Firefox's about:config): possible workaround for SSL_ERROR_WEAK_SERVER_CERT_KEY security.ssl3.dhe_rsa_aes_128_sha security.ssl3.dhe_rsa_aes_256_sha > Today I upgrade the firmware of 2 DELL switch and now Firefox cannot > connect to them anymore saying: > /An error occurred during a connection to xxx.xxx.xxx.xxx. The > server rejected the handshake because the client downgraded to a > lower TLS version than the server supports// > //SSL_ERROR_INAPPROPRIATE_FALLBACK_ALERT possible workaround for SSL_ERROR_INAPPROPRIATE_FALLBACK_ALERT security.tls.version.max 3 -> 1 You might want to revert for safer browsing, after. > /Is there a CentOS6 recommended web browser allowing continuous > connections to olds and new base level (and local) system > administration services ? maybe different profiles with differents security setup? Cheers Tru -- Tru Huynh http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos/attachments/20170210/14f74c8d/attachment-0005.sig>