TFTP: REQUEST:Invalid Opcode
This protocol anomaly is a TFTP request that has an invalid opcode. Normally, the client sends a READ request that is followed by ACKs for the data, or a WRITE request that is followed by DATA messages.
References
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3