PE 2950 / RhEL4 : tcp port 686 open ?

Florent Gilain florent.gilain at direct-energie.com
Fri Jan 12 04:04:11 CST 2007


Hi all,

Just a question concerning default ports open on DELL default RHEL4
installation :

What is this tcp port 686 ? What is it used for and is there a problem to
close it ?

[root at supervision root]# nmap -v s-oracle-bak

Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
No tcp,udp, or ICMP scantype specified, assuming SYN Stealth scan. Use -sP
if you really don't want to portscan (and just want to see what hosts are
up).
Host s-oracle-bak.de.lan (10.168.123.16) appears to be up ... good.
Initiating SYN Stealth Scan against s-oracle-bak.de.lan (10.168.123.16)
Adding open port 1521/tcp
Adding open port 32775/tcp
Adding open port 199/tcp
Adding open port 5520/tcp
Adding open port 111/tcp
Adding open port 686/tcp
Adding open port 22/tcp
The SYN Stealth Scan took 16 seconds to scan 1601 ports.
Interesting ports on s-oracle-bak.de.lan (10.168.123.16):
(The 1594 ports scanned but not shown below are in state: closed)
Port       State       Service
22/tcp     open        ssh                     
111/tcp    open        sunrpc                  
199/tcp    open        smux                    
686/tcp    open        unknown                 
1521/tcp   open        oracle                  
5520/tcp   open        sdlog                   
32775/tcp  open        sometimes-rpc13         

Thanks

Florent



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