All Questions
Tagged with networking dns
2,283
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 ...
- 1
0
votes
0
answers
85
views
LAN Networking - Local DNS Name not Working in Windows Browser
I have a home server (running Ubuntu, which I named "lenovo") that runs a couple of HTTP servers. These HTTP servers are accessible to other clients on my home LAN. They are always ...
- 1,804
-1
votes
1
answer
189
views
Set wsl2 to use host nameserver
I'm using wsl2 on Windows 11, and I recently encountered a problem where when I change networks, the wsl2 dns (nameserver at resolve.conf) address doesn't update, to match, and there for cannot lookup ...
0
votes
0
answers
88
views
New OPNsense setup, almost all default, 1111&8888 DNS set but can only access few sites?
So, I have a protectli box with opnsense 23.7.5 installed, currently I have the ISP router/modem in front of the opnsense box and a laptop (which I have been dual booting between win/lin) to try to ...
- 3
0
votes
0
answers
25
views
Mirror traffic to two different loadbalancers
We have infrastructure that receives traffic from devices through a route53 subdomain pointed to a load balancer. The domain is configured on the devices and its not feasible to update/add another ...
- 1
0
votes
1
answer
70
views
Windows 10/11 network does not show all the computers
Three PC - Win 11 Home, Win 10 Pro (2x)
Gigabit Ethernet, router (CISCO/TP-Link/Mikrotik) as DNS and DHCP server (static/dynamic/predetermined), the same workgroup
Setting is the same in all the PCs:...
0
votes
1
answer
392
views
Connecting to WireGuard no Internet Access
I'm using an old laptop as a Home server and I wanted to set up a VPN (Wireguard & DuckDNS using PiVPN) following this guide: https://chriskalos.notion.site/The-0-Home-Server-Written-Guide-...
- 101
0
votes
0
answers
50
views
What could be a possible reason for a server within a local network not being accessible as external domain?
I have a domain name "example.com" that points to my public IP (80.92.102.112). The router connected to the internet (192.168.0.1) forwards specific ports to a router within the network ...
- 347
0
votes
1
answer
40
views
Can you forward custom domain traffic to an ip address that is behind a NAT?
I do not know much about this topic so any help would be appreciated. I live in university residences and the internet connection that is provided to us is hosted by Wifinity networks. I run a media ...
1
vote
1
answer
78
views
Is it possible to have a single IP for a VM in different networks?
I am learning about DNS administration in Linux. And I do it in my office and home. In office my IP range is 10.x.x.x/21 whereas in my home, my IP range is 192.x.x.x/24. Since I am learning DNS by ...
- 155
0
votes
0
answers
344
views
Enable DNS Windows 10 host for WSL2
By default, WSL2 appears to pick up the Windows Host IP Address as its autoconfigured DNS server.
This can be seen by inspecting the contents of /etc/resolv.conf.
For example
$ cat /etc/resolv.conf
...
- 2,974
0
votes
0
answers
94
views
ping and getent hosts give different result
I have entry in /etc/hosts
1.1.1.1 db_external
When I am doing ping I get it correct
ping db_external
PING db_external (1.1.1.1)
When I am doing
getent hosts db_external
for some reason I got :
::...
- 1,385
0
votes
0
answers
83
views
docker container can't resolve hostnames defined in dns-server container
dns-server container
version: "3"
services:
dns-server:
container_name: dns-server
hostname: dns-server
image: technitium/dns-server:latest
# For DHCP deployments, use &...
- 118
0
votes
0
answers
118
views
CentOS Stream 9 Name or service not known frequently
I have a computer running CentOS Stream 9 as server. It is connected to my router directly by wire. It is working well except getting 'Name or service not known' frequently (like about 10 mins once)
...
0
votes
0
answers
115
views
DNS fails with Cellular Modem wwan0 interface
I have a Raspberry Pi running the latest Raspberry Pi OS with Linux Kernel 6.6.
I have a Quectel EC25 modem with an active SIM card that successfully connects to the internet. I can ping 8.8.8.8 ...
- 121