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Verify the signature on Ubuntu systems

  • Published on Sep 13, 2026
  • 1 minute(s) read
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Update the GPG in the Ubuntu database, and verify the authenticity of the software.

  1. Log on to the system as a user with administrator rights.

  2. Locate the public key (GPG) from the software download site.

  3. Import the public key.

    gpg --import <Public Key>

  4. Verify the signature.

    dpkg-sig -verify McAfeeESP-<version_number>-<build_number>.deb

    dpkg-sig -verify McAfeeRt-<version_number>.<build_number>.deb

    dpkg-sig -verify McAfeeFW-<version_number-<build-number>.deb

    You get a message similar to Processing McAfeeFW-<version_number>-<build_number>.deb... GOODSIG _gpgbuilder 284E8BE753AE45DFF8D82748DDDF2F4CE732A79A 1414371553

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