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Bug 54080 - CPU usage peeks when restarting portsentry after an attack
CPU usage peeks when restarting portsentry after an attack
Product: Red Hat Powertools
Classification: Retired
Component: portsentry (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: bero
Depends On:
  Show dependency treegraph
Reported: 2001-09-26 19:07 EDT by Leonard den Ottolander
Modified: 2008-05-01 11:38 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2003-05-16 12:50:35 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Leonard den Ottolander 2001-09-26 19:07:12 EDT
Description of Problem:
 When restarting portsentry after an attack CPU usage peeks (top, about 
75% CPU usage on this 1GHz Pentium system). This condition goes on (at 
least for minutes) until portsentry is restarted another time.
 Not sure if this is a portsentry or maybe an init script issue.

Version-Release number of selected component (if applicable):

How Reproducible:

Steps to Reproduce:
1. Launch an attack from a system (fe telnet 6667). Repeat if
necessary (twice in this configuration).
2. Issue "service portsentry restart" on the attacked system.
3. Run top to monitor CPU load

Actual Results:
CPU load peak.

Expected Results:
Normal CPU usage.

Additional Information:
Comment 1 Leonard den Ottolander 2001-09-26 19:49:23 EDT
This state only occurs when KILL_RUN_CMD is not specified.
Specifying a KILL_RUN_CMD solves the issue.
Maybe catch an empty KILL_RUN_CMD?
Comment 2 David Lawrence 2003-05-16 12:50:35 EDT
Closing as WONTFIX due to end of life of the Power Tools product line. Please
open a new bug report under the Red Hat Linux product if the component is still
included in the base Red Hat distribution.

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