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Chapter 35. Configuring TLS for Identity Management
This document describes how to configure an Identity Management server to require the TLS protocol version 1.2 in Red Hat Enterprise Linux 7.3 and later.
TLS 1.2 is considered more secure than previous versions of TLS. If your IdM server is deployed in an environment with high security requirements, you can configure it to forbid communication using protocols that are less secure than TLS 1.2.
Important
Repeat these steps on every IdM server where you want to use TLS 1.2.
35.1. Configuring the httpd Daemon
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- Open the
/etc/httpd/conf.d/nss.conffile, and set the following values for theNSSProtocolandNSSCipherSuiteentries:NSSProtocol TLSv1.2 NSSCipherSuite +ecdhe_ecdsa_aes_128_sha,+ecdhe_ecdsa_aes_256_sha,+ecdhe_rsa_aes_128_sha,+ecdhe_rsa_aes_256_sha,+rsa_aes_128_sha,+rsa_aes_256_sha
NSSProtocol TLSv1.2 NSSCipherSuite +ecdhe_ecdsa_aes_128_sha,+ecdhe_ecdsa_aes_256_sha,+ecdhe_rsa_aes_128_sha,+ecdhe_rsa_aes_256_sha,+rsa_aes_128_sha,+rsa_aes_256_shaCopy to Clipboard Copied! Toggle word wrap Toggle overflow Alternatively, use the following commands to set the values for you:sed -i 's/^NSSProtocol .*/NSSProtocol TLSv1.2/' /etc/httpd/conf.d/nss.conf sed -i 's/^NSSCipherSuite .*/NSSCipherSuite +ecdhe_ecdsa_aes_128_sha,+ecdhe_ecdsa_aes_256_sha,+ecdhe_rsa_aes_128_sha,+ecdhe_rsa_aes_256_sha,+rsa_aes_128_sha,+rsa_aes_256_sha/' /etc/httpd/conf.d/nss.conf
# sed -i 's/^NSSProtocol .*/NSSProtocol TLSv1.2/' /etc/httpd/conf.d/nss.conf # sed -i 's/^NSSCipherSuite .*/NSSCipherSuite +ecdhe_ecdsa_aes_128_sha,+ecdhe_ecdsa_aes_256_sha,+ecdhe_rsa_aes_128_sha,+ecdhe_rsa_aes_256_sha,+rsa_aes_128_sha,+rsa_aes_256_sha/' /etc/httpd/conf.d/nss.confCopy to Clipboard Copied! Toggle word wrap Toggle overflow - Restart the
httpddaemon:systemctl restart httpd
# systemctl restart httpdCopy to Clipboard Copied! Toggle word wrap Toggle overflow
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