Packet Filter News Today

Solana made headlines on Tuesday after the blockchain suffered downtime around 10:22 GMT, with the incident lasting five hours before normalcy was restored.

Gain a profound understanding of how the different types of network firewalls work and what methods of traffic packet inspection are dominating the security landscape.

The VPN provider Mullvad has discovered a flaw in iCloud Private Relay that causes the service to leak some data back to Apple.

/proc/net/tcp6 to get a mapping from connected TCP endpoints to inodes, capturing all traffic using libpcap, parsing each packet, and finding which process owns the TCP connection of each packet. This approach comes with two disadvantages: it requires a costly copy from kernel space to user space for every single packet; it is blind to all non-TCP traffic (see issues/62 We can easily build accurate monitoring for all traffic in only 40 lines of code for bpftrace. bpftrace bpftrace is tracing ...