Ports 554 and 7070

Question

Hiya, I was doing a port scan on my Droplet (as you do), and I noticed ports 554 and 7070 were open.I assumed they were part of some management interface thing, but I thought it best to make sure. Plus I’m mildly curious :P

peter621086 · Answer

I think you’ll all find that you’ve got a Verizon FiOS router (or perhaps others, too) between you and the destination. I just ran into this, and I can telnet *:7070 and *:554 and get a connection, which would seem to imply that the router is intercepting traffic on those ports. Commodity hardware, baby. Running the port scan from a remote machine does not yield these results.

Blieque Mariguan · Answer

I’m afraid I don’t have an explanation for this, but I’ve noticed the behaviour as well. I think that DigitalOcean perhaps catches this traffic before it reaches the VM for whatever reason. Edit: Upon further investigation, I’ve found that it may well be interference between us and the datacentres hosting our droplets. In several other threads people place the blame on the ISP, which seems like a reasonable assumption to me.

mark938341 · Answer

I’m reviving in this old thread because I’m seeing a similar quirk and wish to know whats going on. Interestingly, these ports do not get shown as open when i scan from the DO machine itself to either it’s localhost or public interfaces. [ *** From My Laptop *** ] me@MyLaptop :~$ nmap -sV Starting Nmap 6.47 ( http://nmap.org ) at 2014-12-02 19:27 PSTNmap scan report for ()Host is up (0.046s latency).Not shown: 997 closed portsPORT STATE SERVICE VERSION21/tcp open tcpwrapped554/tcp open tcpwrapped7070/tcp open tcpwrapped Service detection performed. Please report any incorrect results at http://nmap.org/submit/ .Nmap done: 1 IP address (1 host up) scanned in 7.14 secondsme@MyLaptopr :~$ nc -v 21Connection to 21 port [tcp/ftp] succeeded!me@MyLaptop :~$ nc -v 554Connection to 554 port [tcp/rtsp] succeeded!me@MyLaptop :~$ nc -v 7070Connection to 7070 port [tcp/arcp] succeeded! [ *** On DO VM *** ]me@My_DO_VM :~$ sudo netstat -plantActive Internet connections (servers and established)Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program nametcp 0 0 0.0.0.0: 0.0.0.0:* LISTEN 4655/sshdtcp 0 384 : :40251 ESTABLISHED 1391/sshd: tcp6 0 0 ::: :::* LISTEN 4655/sshd Regards :)

Become a contributor for community

DigitalOcean Documentation

Resources for startups and AI-native businesses

The developer cloud

Start building today

Report this

Ports 554 and 7070

Report this

Ports 554 and 7070