Ssl2 + ssl3 disable: Unterschied zwischen den Versionen
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===submission=== | ===submission=== | ||
*openssl s_client -ssl3 -connect www.example.com:587 | *openssl s_client -ssl3 -connect www.example.com:587 | ||
=Openldap= | |||
*cat tls-min.ldif | |||
dn: cn=config | |||
changetype: modify | |||
replace: olcTLSProtocolMin | |||
olcTLSProtocolMin: 3.2 | |||
=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, 13:59 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
submission
- openssl s_client -ssl3 -connect www.example.com:587
Openldap
- cat tls-min.ldif
dn: cn=config changetype: modify replace: olcTLSProtocolMin olcTLSProtocolMin: 3.2