CTL_SSL_CIPHER_SUITES - UCTL Manager configuration option

Owned by Stonebranch (Deactivated)
Jul 03, 2023

Description

 The CTL_SSL_CIPHER_SUITES option specifies one or more SSL/TLS 1.3 specific cipher suites that are acceptable to use for network communications on the control session, which is used for component internal communication.

This option is specific to TLS 1.3. To configure ciphers for TLS 1.2 and earlier, see the ctl_ssl_cipher_list option.

Usage

Method

Syntax

IBM i

UNIX

Windows

z/OS

Command Line, Short Form

n/a





Command Line, Long Form

-ctl_ssl_cipher_suites cipherlist


(tick)

(tick)


Environment Variable

UCTLCTLSSLCIPHERSUITES=cipherlist


(tick)

(tick)


Configuration File Keyword

ctl_ssl_cipher_suites cipherlist


(tick)

(tick)


The option is NOT currently supported on HP-UX

Values

cipherlist is a comma-separated list of SSL/TLS cipher suites. The following table identifies the list of SSL/TLS cipher suites supported for this option.

The list is in default order, with the most preferred suite first and the least preferred suite last.

Cipher Suite

Description

TLS_AES_256_GCM_SHA384

256-bit AES encryption in Galois Counter Mode, SHA-2 384-bit message digest

TLS_CHACHA20_POLY1305_SHA256

256-bit CHACHA encryption with POLY1305 message authentication, SHA-2 256-bit message digest

TLS_AES_128_GCM_SHA256

128-bit AES encryption in Galois Counter Mode, SHA-2 256-bit message digest