Questions tagged [loopback]
This tag is for questions about loopback interfaces on network devices. For instance, you want to configure routing on your layer 3 switch and for that you want to configure a loopback interface.
58 questions
0 votes
2 answers
652 views
using ssh to forward local ports to the outside world
I have read the other issues/answers that seem similar to this, but I do not see a match. I have a VNC server running on a unix system. It is listening on 127.0.0.1. I need to be able to connect to ...
- 21
0 votes
0 answers
100 views
Routing external network traffic to a service that only listens on loopback
I'm running protonmail-bridge on a server on my home network, and I'd like to have several other machines utilize it as their IMAP/SMTP server without having to run duplicate copies of the bridge ...
0 votes
1 answer
711 views
Cannot login normally after login loop
I recently had a login loop that kept sending me back to the login screen no matter how many times I entered the correct password. I decided to login accessing the terminal directly by pressing cntrl+...
- 195
0 votes
1 answer
861 views
Service only listens on 127.0.0.1 port 1025. How do you allow any computer on your local network to communicate with this service?
Let me open by saying I have scoured the internet, even companies I purchased the software from and it's been 5 months!! So I am turning to the community as my eyes and brain are bleeding from reading ...
- 13
1 vote
0 answers
375 views
ssh port forwarding, who has access to localhost?
I've done an ssh remote port forwarding: [email protected]% ssh -R 127.0.0.1:11999:host2.a.com:99 [email protected] My understanding is that this creates a TCP socket on host3.b.com's localhost port 11999. ...
- 1,681
2 votes
1 answer
1k views
ipv6 multicast fails when it should loop back to self
So far I use multicast with ipv4 and it works; all involved computers run linux. I listen on two machines and send on one of those two (in a separate terminal). In the below example 'Hello 1' is ...
- 23
1 vote
0 answers
272 views
My computer resolves itself to 127.0.0.1 instead of its outer ip
I recently installed dnsmasq in two of my machines. The service works all right but the trouble is that when consulted they return only their loopback ip. @Machina ~]$ nslookup continua continua ...
3 votes
1 answer
6k views
How to make a loopback device writable for normal user?
I setup a loopback device following this guide. The device is OK, but only writable for root. I searched solutions and found some answer such as using fusermount, fstab etc., e.g. this one. I would ...
- 255