All Questions
Tagged with ubuntu-22.04 networking
11
questions
0
votes
0
answers
107
views
Setting up reverse DNS for home email server with IPv6 on Linux Ubuntu 22.04 or Debian
I'm trying to set up an email server at home using Ubuntu 22.04 and IPv6. I would like to configure a reverse DNS for my IPv6 address to ensure reliable email delivery.
I've followed this guide to set ...
0
votes
0
answers
200
views
Ubuntu 22.04 receives an IPv6 address under the same Wi-Fi router but is unable to access IPv6 websites, while Windows 10 behaves correctly
In my office network, I have a TP-LINK wifi router. All the ipv4 network works quite well. In the setting of the ipv6 in the wifi router, it is set as the "bridged" or "pass through&...
0
votes
0
answers
177
views
Why do my Ubuntu 22.04 Hyper-V virtual machines show two network adapters by default?
Can anyone help me understand why Ubuntu is showing two network interfaces? I've only added one to the Hyper-V VM settings. However, I am using SR-IOV (if that is anyway related to this question).
I'd ...
0
votes
0
answers
61
views
Looking to fix slow (0.42Mbit/s) upload speed on personal hotspot
Webpages are either not loading at all, or taking very long to load which I believe has to do with very slow upload speed:
Testing download speed..................................................
...
0
votes
0
answers
198
views
Is it possible to create a UDP/TCP reverse gaming tunnel?
For reference, I don't have much experience in the routing/networking world. I have a gaming server hosted on my desktop running in Linux Ubuntu headless 22.04. it's running on a local IP something ...
1
vote
0
answers
39
views
IPtables doens't block client to client communication
I'm working on a project with my fellow students, and we've discovered a vulnerability in a IP camera. This camera uses port 8554 for the rtsp protocol (it's unauthenticated). I want to block this ...
1
vote
0
answers
666
views
Make FRP get the full HTTPS on VPS with Nginx
I have a VPS of V2Ray, and V2Ray is configured as "WebSocket+TLS+Web".
(FRPS) VPS: At present, three software V2Ray, Nginx, and FRP are installed on VPS. VPS has the domain name provided by ...
1
vote
1
answer
355
views
Black hole output interface for tcpreplay
I'm using a command line like this to replay a huge PCAP file at high speed - I'm benchmarking various aspects of tcpreplay:
sudo tcpreplay --mbps=1000 --intf1=docker0 linuxbig_log.pcap
As I don't ...
1
vote
1
answer
883
views
SSH client connection delay on LAN when Windows Firewall is enabled
The problem appeared once I upgraded my dev computer to Win11, which was running Win10 before that.
My local server is running Ubuntu 22.04.
Win11 ssh clients: putty, WSL2 ssh, both experience 20 ...
1
vote
1
answer
9k
views
Connect the WSL2 instance with the specific vEthernet Switch
My WSL2 instance is currently connecting via Ethernet adapter vEthernet (WSL) to the Internet. Can I enable it to use the Ethernet adapter vEthernet (Default Switch or another) instead?
Currently, ...
0
votes
0
answers
2k
views
Ubuntu 22.04 multiple virtual interface on one NIC
I'm reading this instruction, but it seems to be broken for Ubuntu 22.04.
I want to have an self assigned static IP address and a DHCP given IP address using one network interface.
How can I define ...