Hi All,
I am running JBoss 2.4.6 bundled with Tomcat 4.0.3. Every once in a
while, when JBoss/Tomcat is started, I get this as a result of nmap:
[deepak@deepak: deepak] > nmap mephisto
Starting nmap V. 2.54BETA31 ( www.insecure.org/nmap/ )
Warning: You are not root -- using TCP pingscan rather than ICMP
Interesting ports on mephisto (192.168.1.253):
(The 1546 ports scanned but not shown below are in state: closed)
Port State Service
22/tcp open ssh
139/tcp open netbios-ssn
515/tcp open printer
8080/tcp open http-proxy
8082/tcp open blackice-alerts
32770/tcp open sometimes-rpc3
32771/tcp open sometimes-rpc5
32772/tcp open sometimes-rpc7
But more often I get just this
[deepak@deepak: deepak] > nmap mephisto
Starting nmap V. 2.54BETA31 ( www.insecure.org/nmap/ )
Warning: You are not root -- using TCP pingscan rather than ICMP
Interesting ports on mephisto (192.168.1.253):
(The 1549 ports scanned but not shown below are in state: closed)
Port State Service
22/tcp open ssh
139/tcp open netbios-ssn
515/tcp open printer
8080/tcp open http-proxy
8082/tcp open blackice-alerts
which seems more resonable. Port 8080 is tomcat, and 8082 is JBoss/JMX.
Do you know what the 32770-32772 ports would be for? A search on google
was not that helpful.
I also used lsof -i tcp:32770[1,2] and it listed process java, run by
user jboss, as having these ports open. Here's a brief result of the
lsof command.
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
java 270 jboss 7u IPv4 604 TCP *:32770 (LISTEN)
java 329 jboss 7u IPv4 604 TCP *:32770 (LISTEN)
java 330 jboss 7u IPv4 604 TCP *:32770 (LISTEN)
Does anybody know what these ports would be for, and why they are being
opened?
Setup Summary:
JBoss/Tomcat : 2.4.6/4.0.3 (custom deb packages)
Kernel/Distro : 2.4.18/Debian
Java VM : 1.3.1_03 Sun. (build 1.3.1_03-b03)
Startup script: Using Debian's start-stop-daemon
Thanks in advance,
Sincerely,
Deepak.
--
________________________________
Deepak Kumar
CombiMatrix Corp. Software Group
6500 Harbour Heights Pkwy,
Mukilteo, WA 98275
ph: 425.493.2208
fax: 425.493.2010
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