nmap 25/tcp filtered smtp, but cant find process
new-host-4:~ cnolan$ nmap xxxxxx.com
Starting Nmap 5.51 (
Nmap scan report for xxxxxx.com (xx.xxx.xxx.xxx)
Host is up (0.021s latency).
rDNS record for xx.xxx.xxx.xxx: li125-xxxmembers.linode.com
Not shown: 998 closed ports
PORT STATE SERVICE
25/tcp filtered smtp
1300/tcp open h323hostcallsc
this is driving me crazy, i need to find it and shut it down
i run the following:
netstat -ltpn
(No info could be read for "-p": geteuid()=500 but you should be root.)
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 :::1300 :::* LISTEN -
thankyou for your help
1 Reply
@cnolan011:
25/tcp filtered smtp
@man nmap:Filtered means that a firewall, filter, or other network obstacle is blocking the port so that Nmap cannot tell whether it is open or closed.
A) "Filtered" is not a bad thing.
B) There is a good chance it is your ISP filtering port 25 - try it from somewhere else.