Please upgrade to a supported firmware.
2018.4.1 firmware EOS was 4/30/2023 with last fixpack 2018.4.1.26:
https://www.ibm.com/support/pages/fix-packs-datapower-gateway-version-201841#2018.4.1.26
You missed a big number of high severity CVE fixes and many other issues fixed since then.
Please upgrade to a supported firmware level.
EOS for 10.0.1 firmware is end of this months, so please do upgrade to a newer firmware level:
https://www.ibm.com/support/pages/ibm-datapower-gateway-firmware-support-lifecycle
Since you are past EOS, you cannot create a support ticket on whatever issue you have.
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Hermann Stamm-Wilbrandt
Compiler Level 3 support, IBM DataPower Gateways
IBM
Boeblingen Germany
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