Security

Issues using the ciphersuite = in the server.conf

voxeoandree
Engager

Hello,

We are running Splunk 4.1.4 and I have enabled sslv3 and that works fine, however I am unable to specify (and make work) strong ciphers.

We need to specifically disable DES-CBC-SHA

When running btool debug I see the ciphers being specified but I still can connect to the web interface.

system     [SSL]
system     cipherSuite = HIGH:MEDIUM
system     [default]
voxeoui    [settings]
system     SSOMode = permissive

HELP!

Tags (3)
1 Solution

araitz
Splunk Employee
Splunk Employee

The cipher suite that you have specified in server.conf is effective for the SSL/TLS of splunkd's management port (port 8089 by default).

UPDATE: although in 4.0 through 4.2.5 it is not possible to specify a cipher suite for Splunk Web (port 8000 by default), in Splunk 4.3 and beyond, web.conf does accept the cipherSuite setting; see this link for more information.

View solution in original post

araitz
Splunk Employee
Splunk Employee

The cipher suite that you have specified in server.conf is effective for the SSL/TLS of splunkd's management port (port 8089 by default).

UPDATE: although in 4.0 through 4.2.5 it is not possible to specify a cipher suite for Splunk Web (port 8000 by default), in Splunk 4.3 and beyond, web.conf does accept the cipherSuite setting; see this link for more information.

dshpritz
SplunkTrust
SplunkTrust
0 Karma

araitz
Splunk Employee
Splunk Employee

We cannot be specific about forthcoming release milestones, but suffice it to say that we understand the need to specify cipher suites in web.conf.

0 Karma

dshpritz
SplunkTrust
SplunkTrust

It looks like the most recent version of CherryPy (3.2: http://www.cherrypy.org/wiki/WhatsNewIn32#SSL) allows the use of the Python ssl module, which I believe would allow for the selection of cipher suites. Any word on when this support will be available in Splunk?

0 Karma
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Index This | What travels the world but is also stuck in place?

April 2026 Edition  Hayyy Splunk Education Enthusiasts and the Eternally Curious!   We’re back with this ...

Discover New Use Cases: Unlock Greater Value from Your Existing Splunk Data

Realizing the full potential of your Splunk investment requires more than just understanding current usage; it ...

Continue Your Journey: Join Session 2 of the Data Management and Federation Bootcamp ...

As data volumes continue to grow and environments become more distributed, managing and optimizing data ...