Lukasz Olejnik on Nostr: Chinese Great Firewall (website access blockade and. content filter for internet ...

Chinese Great Firewall (website access blockade and. content filter for internet traffic) is leaking data! It's a fascinating discovery of security and privacy vulnerability in a large-scale technical censorship system. Chinese firewall leaked memory due to a buffer overrun. "DNS injection devices had a parsing bug that would, under certain conditions, cause them to include up to 125 bytes of their own memory in the forged DNS responses they sent" https://gfw.report/publications/ndss25/data/paper/wallbleed.pdf