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Security Gateway becomes unresponsive and memory consumption increases when HTTP traffic passes through
| Solution ID |
sk109801 |
| Product |
IPS, URL Filtering, Application Control |
| Version |
R75, R76, R76SP, R76SP.10, R76SP.10_VSLS, R76SP.20, R76SP.30, R76SP.40, R77, R77.10, R77.20, R77.30 |
| Platform / Model |
All |
| Date Created |
25-Jan-2016
|
| Last Modified |
19-Mar-2017
|
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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