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Security Gateway becomes unresponsive and memory consumption increases when HTTP traffic passes through
Symptoms
  • Security Gateway becomes unresponsive when HTTP traffic passes through it.

  • SmartView Monitor shows high memory consumption on Security Gateway.

  • "out_of_memory: trying to free memory using oom_notify_list" error appears in /var/log/messages file.

Cause
  • HTTP traffic is not compliant with RFC.
  • Length of HTTP method field in the HTTP header and/or length of entire HTTP header are sufficiently long to have adverse performance impact on gateway CPU and memory resources.

Solution
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