All Questions
Tagged with services networking
42
questions
2
votes
1
answer
79
views
Redirect OR warn (during initial negotiation?) SMTP submitters to use TLS on port 587 - leave 25 explicitly blocked by firewall for better security
This question went over poorly on S.F., but as I said there I've managed to find a lot of closely related information, but not an answer truly addressing my question.
I am expanding on my homelab ...
- 133
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
4
votes
2
answers
244
views
linux service TCP Gateway with service starting
Is there a service (linux) that starts the service on an incoming TCP request (if it does not already exist) and then forwards it to the application? For example, for a docker container that would ...
- 63
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
2
answers
646
views
In Windows terminology, what designates a computer as a "browser"?
A concise description of the Windows' "Browser" service provided from a reference site is:
Maintains an updated list of computers on the network and supplies this list to computers designated as ...
- 8,459
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
1
answer
287
views
How to re-enable Network & Sharing Center in Windows 10
I have a puzzling issue. My Windows 10 machine one day a few weeks ago started to have connectivity problems. Chrome, Firefox, Edge, and Steam have almost no ability to complete a web request (Can't ...
- 101
0
votes
1
answer
40
views
What's the point of adding service to firewall rules in centos?
My purpose is to make firewall allow connections to my newly installed service/server/daemon on Centos.
I create /etc/firewalld/services/myservice.xml file, then reload firewall, then do:
firewall-...
- 143
0
votes
0
answers
656
views
Internet Connection Sharing (ICS) service stuck at starting [duplicate]
I'm used to use this service because I like to use my wireless card as a hotspot, but since yesterday the service doesn't start anymore. The last time I tried to enable connection sharing, COM ...
- 490
1
vote
1
answer
5k
views
Windows Block Level Backup Service hogging up network
I just noticed that the Block Level Backup Service was sending >100MBps outbound from my Windows 10 desktop PC.
The Block Level Backup Service apparently is responsible for executing system level and ...
- 161
0
votes
0
answers
433
views
Incoming connections are not accepted when on WiFi and LAN connection (Ubuntu)
I run an Ubuntu 16.04 laptop and have several services running (SSH, Apache, etc.). This laptop is connected via WiFi and LAN cable. The WiFi IP address is 192.168.1.100, the LAN IP address is 192.168....
- 31
0
votes
1
answer
2k
views
Why does every executable sends DNS request after deleting DNScache service?
In Windows, there is a service named DNS Client service (dnscache) caches DNS names and registers the full computer name. When it is running only svchost.exe connects to DNS server. Then I stop and ...
- 11.3k
0
votes
0
answers
253
views
network in kali linux on virtual box ,host is ubuntu 14.04 lts
Trying to start network on Kali Linux in VirtualBox. I tried:
nano NetworkManager.conf
changed manged from false to true
after that for restarting, I typed
service network-manager restart
it ...
0
votes
1
answer
663
views
Bonjour dns-sd and Avahi service visibility
I have avahi-daemon running on my BeagleBone Black machine (Debian Jessie). It is in the same network as my PC, but I wonder why when I register service with avahi-publish on my BBB, I cannot see it ...
- 1