Does RHEL use cryptographically random sequence numbers?

Solution Verified - Updated -

Issue

  • How to enable strong TCP sequence number generation?
  • Does RHEL use cryptographically random sequence numbers?
  • Does Red Hat Enterprise Linux conform to RFC 1948 and/or RFC 6528 "Defending Against Sequence Number Attacks"?
  • Is CVE-2011-3188 in relation to TCP sequence number predictability fixed in RHEL?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • TCP network connections

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