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Questions tagged “revelprog-is”

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REVELPROG-IS adapters for SFP/SFP+/SFP28/QSFP/QSFP-DD/XFP/OSFP with password brute force and checksum recalculation

Adapter boards that, with a serial programmer, read and write transceiver memory across SFP, SFP+, SFP28, SFP112, QSFP/QSFP+/QSFP28, SFP-DD, QSFP-DD, XFP and OSFP. The software covers the MSA/CMIS memory maps, manages host/manufacturer passwords including brute-force search, changes…

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Writing to password-protected SFP/QSFP/XFP: where the password lives and how brute force works

Users needed to write to password-protected SFP/QSFP/XFP modules from HP, Cisco, Finisar and JDSU. The thread documents the two protection levels: a host/user password protecting the user-writable area (A2h offset 7Bh on SFP, A0h offset 7Bh on QSFP/XFP) and a manufacturer password protecting the…