Ssl2 + ssl3 disable: Unterschied zwischen den Versionen

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Die Seite wurde neu angelegt: „=Apache2 SSLv3 deactivate= *cat /etc/apache2/httpd.conf SSLProtocol ALL -SSLv2 -SSLv3 =Dovecot SSLv3 deactivate= *cat /etc/dovecot/conf.d/10-ssl.conf ssl_p…“
 
Zeile 11: Zeile 11:
  smtp_tls_protocols = !SSLv2, !SSLv3
  smtp_tls_protocols = !SSLv2, !SSLv3
  smtpd_tls_protocols = !SSLv2 !SSLv3
  smtpd_tls_protocols = !SSLv2 !SSLv3
=Tests=
==Apache2==
*openssl s_client -ssl3 -connect www.example.com:443
==Dovecot==
*openssl s_client -ssl3 -connect www.example.com:993
==Postfix==
smtps
*openssl s_client -ssl3 -connect www.example.com:465
or
submission
*openssl s_client -ssl3 -connect www.example.com:587


=Source=
=Source=
*https://www.heinlein-support.de/blog/security/deaktivieren-sie-sslv3-apachepostfixdovecot-poodle-bug/
*https://www.heinlein-support.de/blog/security/deaktivieren-sie-sslv3-apachepostfixdovecot-poodle-bug/

Version vom 5. November 2018, 13:56 Uhr

Apache2 SSLv3 deactivate

  • cat /etc/apache2/httpd.conf
SSLProtocol ALL -SSLv2 -SSLv3

Dovecot SSLv3 deactivate

  • cat /etc/dovecot/conf.d/10-ssl.conf
ssl_protocols = !SSLv2 !SSLv3

Postfix SSLv3 deactivate

  • cat /etc/postfix/main.cf
smtpd_tls_mandatory_protocols = !SSLv2 !SSLv3
smtp_tls_mandatory_protocols = !SSLv2 !SSLv3
smtp_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_protocols = !SSLv2 !SSLv3

Tests

Apache2

  • openssl s_client -ssl3 -connect www.example.com:443

Dovecot

  • openssl s_client -ssl3 -connect www.example.com:993

Postfix

smtps
  • openssl s_client -ssl3 -connect www.example.com:465

or

submission
  • openssl s_client -ssl3 -connect www.example.com:587

Source