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Fix Splunk Nessus SSL Vulnerabilities

06/01/2017

To Resolve the following Nessus Vulernabilites

20007 SSL Version 2 and 3 Protocol Detection

42873 SSL Medium Strength Cipher Suites Supported

62565 Transport Layer Security (TLS) Protocol CRIME Vulnerability

94437 SSL 64-bit Block Size Cipher Suites Supported (SWEET32)

Add the following to “C:\Program Files\SplunkUniversalForwarder\etc\system\local\server.conf”

[sslConfig]

allowSslCompression = false

useClientSSLCompression = false

sslVersions = tls1.1, tls1.2

sslVersionsForClient = tls1.1, tls1.2

cipherSuite = HIGH:!aNULL:!MD5:!3DES:!CAMELLIA:!AES128

Add the following to “C:\Program Files\SplunkUniversalForwarder\etc\system\local\inputs.conf”

[SSL]

cipherSuite = HIGH:!aNULL:!MD5:!3DES:!CAMELLIA:!AES128

allowSslCompression = false

useClientSSLCompression = false

Restart SplunkUniversalForwarder service

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