News for hackers. Stuff that matters.

A comment on Software Vulnerabilities in the Boeing 787. Parent comment

Re:Software Vulnerabilities in the Boeing 787 by p_l on Friday August 16, 2019 @01:00PM (#20717113)
AFDX protocol stack is unidirectional with no ACKs or anything like that, which makes use of physical data diodes trivial.
[ Parent | on HN ]
Re:Software Vulnerabilities in the Boeing 787 by Hunisgung on Friday August 16, 2019 @04:06PM (#20719184)
That is false. Apart from the hard-coded and restrictive network configuration, AFDX is basically UDP/IP. There are many uses of bidirectional application protocols (like TFTP).
[ Parent | on HN ]
Re:Software Vulnerabilities in the Boeing 787 by p_l on Sunday August 18, 2019 @01:56PM (#20731725)
unidirectional nature of the communication protocols means that AFDX-compatible application can be easily firewalled for cases such as reporting data to maintenance network, as I understood from Boeing's response.

Electronic Flight Bag being part of maintenance network is not something good, though.

[ Parent | on HN ]