Ubuntu
procps package

  1. Bug #57091
  2. Comment #26

Comment 26 for bug 57091

Revision history for this message
antisa (antisa) wrote :

Here is the entry from ...10-network-security.conf from 16.04 (although from Desktop edition)

"
# Turn on SYN-flood protections. Starting with 2.6.26, there is no loss
# of TCP functionality/features under normal conditions. When flood
# protections kick in under high unanswered-SYN load, the system
# should remain more stable, with a trade off of some loss of TCP
# functionality/features (e.g. TCP Window scaling).
net.ipv4.tcp_syncookies=1

"

Guess it hasn't been removed.