Make sure you have working SSO install before applying these configurations

Enable SSL for LDAP

This example is done with self-signed certificate. It is always better to use publicly trusted certificate here.

Become root:

sudo su -

Stop any IDS applications that is running in all instances:

systemctl stop wildfly.service
systemctl stop ubilogin-server.service
systemctl stop ubilogin-directory.service

Create new self-signed certificate chain:

# Create a temporary directory for certificate creation (name does not matter)
mkdir ~/ssl_cert
cd ~/ssl_cert

# Create certificate authority
openssl req -x509 \
            -sha512 \
            -days 3650 \
            -nodes \
            -newkey rsa:4096 \
            -subj "/CN=localhost/C=FI/L=Espoo" \
            -keyout cakey.pem -out cacert.pem

# Create server private key
openssl genrsa -out serverkey.pem 4096

# Generate certificate signging request
cat << EOF > servercsr.cnf
[ req ]
default_bits = 4096
prompt = no
default_md = sha512
req_extensions = req_ext
distinguished_name = dn

[ dn ]
C = FI
ST = Uusimaa
L = Espoo
O = Ubisecure Oy
OU = Engineering
CN = localhost

[ req_ext ]
subjectAltName = @alt_names

[ alt_names ]
DNS.1 = localhost
DNS.2 = $(hostname -s)
DNS.3 = $(hostname -f)

EOF

# Generate certificate signing request with previously created private key
openssl req \
        -new \
        -key serverkey.pem \
        -out servercsr.pem \
        -config servercsr.cnf

# Generate external certificate configuration
cat << EOF > cert.conf
authorityKeyIdentifier=keyid,issuer
basicConstraints=CA:FALSE
keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
subjectAltName = @alt_names

[alt_names]
DNS.1 = localhost
DNS.2 = $(hostname -s)
DNS.3 = $(hostname -f)

EOF

# Generate SSL certificate With self signed CA
openssl x509 -req \
    -in servercsr.pem \
    -CA cacert.pem \
    -CAkey cakey.pem \
    -CAcreateserial \
    -out servercert.pem \
    -days 3650 \
    -sha512 \
    -extfile \
    cert.conf

# View generated cert
openssl x509 -noout -in servercert.pem -text

Check that you do not have the certificate imported to cacerts:

Import the newly generated certificate to SSO Tomcat:

Check cacerts after import:

Result after the import:

Change ownership for generated files:

Change unix.config so that it will use ldaps:// instead of ldap:// as a connection:

Result should be something like this:

Once done, run SSO setup.sh again:

Once done, edit slapd.conf before updating LDAP configuration:

If any errors occurs, one can always run setup.sh again to reverse below changes to original defaults.

Reconfigure LDAP:

Update SSO configurations:

Restart services:

Identity Server 2023.1

Enable ldaps for SSO

Enable SSL for LDAP