All Questions
67
questions
-1
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0
answers
47
views
Cant connect to a Hyper V VM with Putty via another Device [closed]
OS: Windows Server 2022
VM OS: Ubuntu Server 24.04 LTS
Note: The VM is on the same network
I tried to connect to the vm with putty via another device but after a few seconds I got an error message:...
- 1
0
votes
2
answers
193
views
Recover the IP address of a remote machine knowing its hostname + ip address of the network + sshkey registered
I want to remotely ssh a computed administered by only me. The machine is always on a fixed IP (network; I do not know the technical name for that). To ssh I use ssh [machine_name]@[machine_addr] (...
0
votes
0
answers
38
views
IPv4 failing, link-local IPv6 works
For some reason, I can't reach my laptop by SSH over WiFi on its IPv4 address, as it always just times out. However, connecting to it via link-local IPv6 works just fine.
Pinging the laptop over its ...
1
vote
1
answer
640
views
Cannot ssh anymore via no-ip hostname, works with wan ip, nslookup gives nxdomain
After extensive search of this forum to no avail, I post my issue here.
I have a small machine running pop!OS 22.04 at home that I use to host a few pages with nginx.
To do so, I have a no-ip domain (...
- 13
0
votes
3
answers
2k
views
Port forwarding issue - Connection refused when SSHing into a configured port
Foreword
I do have an public IP, which I can verify on WhatIsMyIPAddress;
When I try to connect to my computer from the outside via any of these
ssh myusername@mypublicIP
ssh -p 22 myusername@...
- 209
0
votes
1
answer
5k
views
ssh into WSL2 works on only some IP addresses
On Win10, in WSL 2 running Ubuntu 20, I've installed sshd running on a port different from 22, namely 2222. To the firewall I've added an incoming rule for TCP port 2222.
From the windows command ...
- 2,521
0
votes
0
answers
38
views
Router unable to obtain IP
I own a d-link router model DSL-2877AL.. used to work flawlessly in the past 8 months but recently the routers internet light will always stay red which indicates a failed PPPoe negotiation.. VDSL2 ...
- 1
6
votes
2
answers
4k
views
Why does `curl <this machine's IP>` behave differently than `curl localhost`?
(Redirected from networkengineering.stackexchange)
I have two Raspberry Pis on my network - let's call them Pi and Rho.
I'm trying to set up port forwarding via ssh tunnel between them, such that an ...
- 199
0
votes
1
answer
105
views
Private and Public IPs are confusing
I discovered recently that there is two types of ip, i.e. the Public IP and the Private IP. I know that the Public IP is the one the external world can see and the Private IP is local to our network. ...
- 25
0
votes
1
answer
118
views
Configure static IP-adress to connect to device in subnet
I have a Dragino-Yun v2.4-shield, which is a device that can be connected with an Arduino to give it networking-capabilities. It has An Ethernet-Port and Wifi. I don't have a wifi-antenna at the ...
- 237
7
votes
1
answer
14k
views
Why my external IP doesn't change when I am connected to a VPN?
I am not so into networking and I have the following doubt related VPN connection.
Going to: https://whatismyipaddress.com/
I obtain that my IP address is 151.44.157.246
Ok then I connect to my VPN,...
- 7,201
0
votes
0
answers
35
views
Could I mask my IP to be like my mobile data IP?
I don't have static IP, people at home don't have static IPs, in my country.The ISP at work gave my company static IPs for the office, and in order to protect itself against DDOS, he went to mobile ...
- 5,450
0
votes
0
answers
449
views
Is there a safe way to auto add a dynamic IP to /etc/hosts.allow file?
(I was forwarded from SO to here for help, so hopefully this is the correct section)
Is there a way to automatically add 2 or 3 dynamic IP's to the "/etc/hosts.allow" file on a CentOS 7 server?
I ...
- 233
1
vote
1
answer
284
views
strange ip address raspbian and I can no longer ssh [closed]
In the past I have been able to ssh into the pi easily but a couple of days ago I could no longer find the pi ip address in the router page. I made a fresh install of raspbian and plugged it into a ...
8
votes
2
answers
21k
views
Find the port number of current session in PuTTY
I have list of server names in the PuTTY saved sessions. I connected to one session and can know the IP address of the machine connected to using ifconfig for Ubuntu and ipconfig for Windows. But how ...
- 2,552