Ssl2 + ssl3 disable: Unterschied zwischen den Versionen
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| Zeile 17: | Zeile 17: | ||
*openssl s_client -ssl3 -connect www.example.com:993 | *openssl s_client -ssl3 -connect www.example.com:993 | ||
==Postfix== | ==Postfix== | ||
| − | + | ===smtps=== | |
*openssl s_client -ssl3 -connect www.example.com:465 | *openssl s_client -ssl3 -connect www.example.com:465 | ||
or | or | ||
| − | + | ===submission=== | |
*openssl s_client -ssl3 -connect www.example.com:587 | *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, 13:57 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