For the record...telnet is a TCP based client and server. You can not connect to a UDP service with a TCP client, such as telnet, in order to determine anything. > The -sV option on nmap would give you service version information. You > might > also want to try connecting to the ports with telnet to see what they > might > show. > > On 7/13/07, joseph tacuyan <joseph.mailboxlist@xxxxxxxxx> wrote: >> >> how about nmapping it? >> >> On 7/13/07, redhat@xxxxxxxxxxxxxx <redhat@xxxxxxxxxxxxxx> wrote: >> > >> > I have a RHEL ES3 server that has three listening udp ports open. I'm >> > having a hard time trying to determine what service opened them up. >> The >> > ports are udp 1020,1022,1023. I have tried to following: "netstat >> -lp", >> > the PID/Program name column just shows a -, "fuser -n udp 1020", >> > nothing returned, lsof -i :1020. nothing returned. I have shut down a >> > few services in an attempt to discover who opened the ports, but no >> > luck. Anything I may have forgotten? >> > >> > Thanks >> > >> > -- >> > redhat-list mailing list >> > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe >> > https://www.redhat.com/mailman/listinfo/redhat-list >> > >> -- >> redhat-list mailing list >> unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe >> https://www.redhat.com/mailman/listinfo/redhat-list >> > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > -- Mike Burger http://www.bubbanfriends.org Visit the Dog Pound II BBS telnet://dogpound2.citadel.org or http://dogpound2.citadel.org To be notified of updates to the web site, visit: https://www.bubbanfriends.org/mailman/listinfo/site-update or send a blank email message to: site-update-subscribe@xxxxxxxxxxxxxxxxx -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
