ssh connection keep disconected , how to find way? in CentOs vmware

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Operating Systems Linux Red Hat ssh connection keep disconected , how to find way? in CentOs vmware
# 1  
Old 05-02-2011
ssh connection keep disconected , how to find way? in CentOs vmware

Hello i have CentOS installed on vmware , few days ago every thing was working fine. today every time im connect with putty to the CentOs server after few minutes it disconnect me , how can i find what is the reason ?
# 2  
Old 05-02-2011
Does it fail to authenticate?
Does it disconnect after successful authentication?
# 3  
Old 05-02-2011
Are you inactive during that time? Did you install any updates? Has the virtualization software been updated?
# 4  
Old 05-03-2011
Any suspicious entry in dmesg, /var/log/messages etc. on your centOS VM box?

Thanks, Loc
# 5  
Old 05-03-2011
when i check /var/log/secure im getting :

Jan 23 18:01:09 localhost sshd[17461]: Exiting on signal 15 when i check the "/var/log/messages" there is nothing that says something about this signal my iptables is closed

also i authenticate and the disconnect happens after successful authentication.
# 6  
Old 05-05-2011
signal 15 means "SIGTERM"... Someone has terminated sshd... Strange.
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