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Opening up a filtered port

 
Morris Makuch
Advisor

Opening up a filtered port

Hi Everyone. I am trying to open up port 3872 which is used by the Oracle's OMS to talk to the agent in Grid Control. The agent is installed on HP-UX and the OMS is a Windows server. When I do a netstat -an on the HP-UX server the port is listed as:
tcp 0 0 *.3872 *.* LISTEN

On Windows when I run nmap against the server, the port comes back as filtered. Last year a consultant installed Bastille and implemented ipfilter on our server. I am really not familiar with Bastille or ipfilter so I really don't know where to look. Any help would be appreciated.
Thanks
2 REPLIES 2
Sandman!
Honored Contributor

Re: Opening up a filtered port

lsof is better in correlating ports to processes instead of netstat viz.,

# lsof -i:3872
Sameer_Nirmal
Honored Contributor

Re: Opening up a filtered port

I would check the currently applied ipfilter rules using command
# ipfstat -io
and see if port 3872 is listed.

Also I would check the file /etc/opt/sec_mgmt/bastille/ipf.customrules for a 3872 port entry.