All Questions
20
questions
0
votes
0
answers
410
views
What is the “down” service at port 2022?
According to NMAP and IANA port 2022 TCP belongs to the service down:
PORT STATE SERVICE
2022/tcp open down
But what is down? I cannot find anything about it. Is there any document explaining ...
- 119
2
votes
1
answer
787
views
How to reserve port number and avoid other applicationsto use this specific port number?
We have a Linux machine running RHEL version 7.9.
In this machine, we have installed the Ticktok service, which uses the port number 4590.
Sometimes the service stops and doesn't use port number 4590.
...
- 861
1
vote
0
answers
257
views
Is there a way to close down a port used by a service during shutdown or boot?
I have some service listen.service which makes the machine act as a TCP server which other clients can connect to. The problem is once the service starts up, it doesn't actually do anything for about ...
- 33
0
votes
0
answers
102
views
I need help closing up some ports on a debian 10 server
I ran nmap on my server and i need help closing up a few ports
PORT STATE SERVICE VERSION
25/tcp filtered smtp
135/tcp filtered msrpc
139/tcp filtered netbios-ssn
445/tcp filtered ...
- 1
0
votes
0
answers
588
views
How to resolve WSL2 port conflict with windows services?
I am on Windows 10 20H2 (Build 19042.867). I also using WSL2 with Ubuntu 20.04 LTS.
Recently, after upgrading to SSD, I have a problem entering WSL2 with the following error:
wsl error 0xfffffff
press ...
0
votes
1
answer
88
views
Does the Windows "browser" service need access to DNS (port 53)?
Does the Windows "Browser" service need access to DNS (port 53)?
If so, in what cases?
By "Windows", I'm referring to Windows 7-10.
- 8,459
0
votes
0
answers
496
views
Which of these Windows services is most likely responsible for outgoing port 53 (DNS) traffic?
Working on a Windows 7 system that has network traffic very locked down. The system is not running any servers. Besides Windows itself, and an antivirus tool, it does not have any software that ...
- 8,459
0
votes
1
answer
1k
views
Windows Service rundll32.exe always listening on port8080, even when stopped
I have a problem when i start my Java application by Spring (using tomcat), the port 8080 is allready listening by a service, which is "rundll32.exe", apparently a legitime file from system32, but ...
- 1
1
vote
1
answer
779
views
How to prevent port from being used by other service as opening one?
I've got multiple services running on consecutive ports (listening on them) in urestricted range (1024+).
From time to time I need to restart those services and it happens that one of services is ...
- 175
0
votes
2
answers
2k
views
unknown open ports/services 54409 and 16808
I have a Linksys EA6400 router. Today, I have noticed in the log file some activity from multiple ip addresses on 2 ports that are open: 54409 and 16808 and I do not know what is going on there.
I ...
- 1,803
1
vote
1
answer
2k
views
Why is Port 135 So Overused
I'm studying Windows Server Port numbers at http://support.microsoft.com/kb/832017, and I notice that so many services use Port 135
What was the logic in setting this standard? Is this because one ...
- 127
5
votes
1
answer
6k
views
Cannot start WebSite because port 80 is being used by W3SVC.exe
I have deverloped a website at work and we typically use port 80/443 for our websites (in development). This has worked well until today when starting the website gives me the error (IIS 7)
This ...
- 159
2
votes
1
answer
3k
views
Should I register ports I use in the drivers\etc\services file?
I am working on a Windows service that uses ports to discuss with client applications.
I have seen that the ports used by Windows are registered in the C:\Windows\System32\drivers\etc\services file, ...
- 1,690
2
votes
2
answers
647
views
What is Adobe Server 3?
My nmap scan revealed the port with adobeserver3 label (TCP 3703). What is Adobe Server 3, and what does it do?
- 77
3
votes
2
answers
5k
views
Port Scan: What is "netvenuechat"?
I was doing a quick port scan at work (Nmap 6, OS X 10.6.8), and I noticed that nearly all of the computers around me were running a service called "netvenuechat" on Port 1023. Although I've searched ...
- 133