HTTP Request Smuggling Exploit – Need Clarification on Behavior of the ‘Host’ Header

I’ve been reading about HTTP Request Smuggling attacks and I’ve come across a situation that I don’t fully understand. I’ve been studying the report by James Kettle where he describes an attack against Netflix’s servers (https://portswigge… Continue reading HTTP Request Smuggling Exploit – Need Clarification on Behavior of the ‘Host’ Header

Does HTTP/3 necessitate additional – beyond HTTP/2 via TLS1.3 – restrictions on client authentication (mTLS)?

A recent Nginx release allows me to set listen 443 quic; to enable HTTP/3. Neat. I had been using HTTP/2 with TLS1.3 before, so I did not expect that change much, just optimize round trips with otherwise matching security properties.
One m… Continue reading Does HTTP/3 necessitate additional – beyond HTTP/2 via TLS1.3 – restrictions on client authentication (mTLS)?

Are there HTTP/2 specific attacks different from request smuggling?

I’m researching information about HTTP/2 from a cybersecurity point of view for an article, and i wanted to include a section about attacks exclusive to HTTP/2 or were this protocol have a key role.
I already got information about request … Continue reading Are there HTTP/2 specific attacks different from request smuggling?