Hi Ryan, At 09:42 04/06/22 +0100, Ryan Lissack wrote:
Hi,
It may not be an 'attack' ... probably just due to RH9s threading lib ...
See this message for the possible solution: http://marc.theaimsgroup.com/?l=tomcat-user&m=108670043100516&w=2
Also see the following messages for further explanations: http://marc.theaimsgroup.com/?l=tomcat-user&w=2&r=1&s=tomcat+jitters%2C+then +hangs+-+please+help&q=b
## Thanks for help. Accordingly I have made changes, hope this helps. Regards, Kedar
HTH, Ryan.
-----Original Message----- From: Kedar [mailto:[EMAIL PROTECTED] Sent: 22 June 2004 05:09 To: [EMAIL PROTECTED] Subject: Tomcat 4.1.24 stops responding due to attack
Hi, I am facing following problem :
Problem : After working properly for a day or 2, I cannot access my website. Only way to restart is kill the process and again run "startup.sh". I cannot stop normally using "shutdown.sh"
Configuration : Red Hat Linux release 9 (Shrike), Tomcat 4.1.24, Postgres 7.3.4
Points Checked - 1. The tomcat is not down, I can see process by "ps -ef" 2. However, as a result of "netstat -tcp" I am getting some unknown users accessing my "mysqld". Under normal working conditions I can recognise the IP address and accessed processes listed under "netstat -tcp" Actually I am not using "mysql" at all. No other application on server is using mysqld. 3. The default Apache 80 port can be accessed normally(Tomcat is running on 8080). 4. I have changed the port to 8081, but problem persists.
Is it that someone is making lot of fake connections to slow down my tomcat, or am I infected by virus?
Any hint or pointer will be appreciated. Regards, Kedar
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