- Name
-
challenge_ack_limit
- Default
-
INT_MAX
- Minimum
-
0
- Maximum
-
INT_MAX
- Scope
- per-stack
Limit the number of “challenge ACK packets” sent as part of TCP blind window attack mitigation, RFC 5961; in packets per second. The limitation applies for each Onload stack separately.
The value from /proc/sys/net/ipv4/tcp_challenge_ack_limit is used by default.