New answers tagged networking
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"No internet" after a Windows update, apparently unfixable. Anybody on the planet who can find its root-cause?
So, I do have an answer to my own question. It is an answer, as it answers to:
• Why was the "no internet" error affecting the computer (confirming the DNS problem hypothesis)
• Why weren't ...
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How to Block a Wifi-Router by MAC adress via terminal
The usual term you're looking for (MAC address of Wi-Fi access point) is "BSSID".
If Linux Mint uses NetworkManager for Wi-Fi, as far as I know, NM currently has no option to block a ...
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GeoIP and wildcard domain routing rules in OpenVPN
You want to dynamic split tunneling. As far as I can tell so far, openvpn only offers static split tunneling.
What Chris Davies suggests point to something theoretically possible with a modified ...
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Which server & client options are needed to create an OpenVPN "Remote Access" i.e. "Client-to-Site" VPN, without routing all traffic through the VPN?
The summary is "push routes (and other options) you want and don't push routes you don't want", there is really nothing more than that.
To avoid redirecting all traffic, do not push the ...
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Two ULA addresses on one interface
The valid_lft value on the first IPv6 address means it was acquired through a DHCP lease. It shows a /128 mask because it's a single host IP (compare it to /32 in IPv4). ip -6 route should show the /...
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Is my home network being attacked?
According to your post its says
[UFW BLOCK]
That should mean that the firewall blocked it.
I usually get between 200 and 1000 and hour so your rate isn't very high.
There are tons of people doing ...
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Linux Mint: Network connection only several seconds after boot
The aforementioned _netdev will certainly help with any mounted remote shares. But you also may need to debug what the network delay itself is caused by.
My first thought is how are you connecting? Is ...
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How to find out all IP ranges belonging to a certain AS?
You can determine the IP ranges announced by a particular autonomous system using IP Guide.
curl -sL ip.guide/as714
While jq isn't necessary, it's a helpful way to parse JSON responses and slice it ...
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Trying to allow a device access to the Internet through ufw using a shared ethernet port on Raspberry Pi while on Wi-Fi
It turns out the missing piece was IP Forwarding. To do so I followed an instruction found elsewhere which says to change /etc/default/ufw by modifying the value "DROP" in the line ...
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WLAN speed very slow (10 Mbps) when 850 Mbps in same location on other devices
Quick update & will close question - hopefully this helps someone in the same boat. I'm up to 150 MBPS speed after switching to a Wavlink PCI-e card.
The SSID still shows signal strength in the 60%...
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Linux can see the hostname, but Windows can't see it
none of this is a concrete solution, so i have started installing VPN in all of my devices.
after installing VPN in all devices, it can recognise the devices very well.
i have started using netbird (...
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How do I connect two routers to the same PC? (needed to minimize VR headset latency)
Assuming that you need to connect the VR headset to the PC via ethernet
If you want it really fast then you can put in a second network card and use a crossover cable to the VR headset.
The two ...
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Is my home network being attacked?
The first two entries, though redacted, seem to me like multicast discovery packets sent by Syncthing. (Hoplimit of 1 is typical for such packets.) If you look closer at the IP addresses that were ...
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What sort of IP address is this 2601:646:200:bbf:1da4:d869:d0d4:d3ed and should I be concerned that it tried to log into one of my financial accounts?
What is this type of address
It's an IPv6 address (specifically one belonging to Comcast). Many ISPs have started using IPv6 (alongside or even instead of IPv4) to alleviate the address shortage that ...
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Two ISP's, Two Buildings, One Network?
Connecting the bridges directly to internal switches might not go well. Just like the fiber link, the wireless bridges will transport all packets – including DHCP requests. That is, every device will ...
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How can I configure a MI424WR wireless router to provide specified DNS servers to DHCP clients?
Login to the router via the web interface
Click on "My Network"
Click on "Network Connections"
Click on "Network (Home/Office)"
Click on "Settings"
Enter in ...
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How to configure a MI424WR wireless router to always assign a host the same IP via DHCP?
Login to router via web interface
On the top menubar, click on "Advanced"
Click on "IP Address Distribution"
Click on "Connection List"
If the device is already attached, ...
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Port forwarding on a Jio router
As others have mentioned, the router's IPv4 is behind CGNAT in Jio Fiber so port forwarding won't work, but each client (device connected) has a static IPv6 address which you can check via ipconfig ...
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OSX Sonoma /etc/hosts and local dev
Had the same problem. I solved it by adding --host '0.0.0.0' to the ng serve command:
ng serve --host '0.0.0.0' --disable-host-check
After this I could access dev domains declared in the hosts file ...
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On my machine with Windows 11 22H2 the DNS settings on multiple network cards automatically change to manual after some hours
So in the end it was a trojan. When I deleted the powershell file that I found my antivirus picked it up, but interestingly not before.
The code that I could extract is the following. Unfortunately I ...
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Dynamic vs Static NAT? How to tell which and when one or the other is in use?
To directly answer your question as asked, a standard consumer grade internet access router provides staticly-mapped , asymetric, source NAT, when it is allowing its LAN hosts to share a single public ...
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Disable writing to macOS DNS cache
macOS doesn't cache DNS to the filesystem - it's in memory only and clears on shutdown. It doesn't log DNS queries by default either.
The only way to truly disable DNS caching is by stopping the ...
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Two ISP's, Two Buildings, One Network?
A simple method would be to unify the two computers into one
virtual network across the internet.
Some possible products for that are
Tailscale
and
ZeroTier
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I want to generate a PSK for VPN
With an SSL VPN, the TLS Crypt PSK is a three-part configuration:
TLS Crypt PSK is generated on the server:
# Generate TLS Crypt key:
openvpn --genkey --secret "/etc/openvpn/tls-crypt.key"...
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When doubling Internet connection speed, will my effective in-house bandwidth also double?
You at least need suiting ethernet cables Like Here in this Link :
https://de.aliexpress.com/item/4001220911098.html?ug_edm_item_id=4001220911098&pdp_npi=3%40dis%21EUR%2121%2C01%E2%82%AC%2113%2C23%...
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Ethernet connection won't reach wall sockets - ( Router -> Switch -> Laptops)
There is a finite number of reasons for what's happening here, you should double- or triple-check these to find the actual culprit.
You are mistaken and the cables are not actually terminated using ...
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Playing audio from a Hyper-V VM to its host (or any network device)
I'm using VBCable as audio driver and Sonobus for audio broadcasting over LAN . This works fine for me Setting Used
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2
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block RFC1918 networks in pFsense for LAN seems not to work
To let the PC connect to the internet after such manipulations, I've had to manually set the gateway, the DNS server, and IP of the client PC, and again it works, but this time it's a surprise for me, ...
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Activity Monitor in Mac not showing network usage
I was having the same problem. It was caused by the fact that only a user's own processes are shown by default.
To fix: click "View" and ensure "All processes" is enabled. Also ...
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Internet modem does not resolve resolve local IPV6 hosts, fixed: feature, not bug
To my surprise, this problem turns out to be not a bug, but a feature!
This note from the modem manufacturer
says that DNS is deliberately blocked for local hosts to avoid DNS Rebinding Attacks.
The ...
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4
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What is my Switch IP?
There is not really any common "trace" mechanism for Ethernet. (Some such mechanisms kind of exist, like 802.1ag OAM trace, but they're really rare in practice – and more importantly, they ...
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Renamed network interface via systemd now it wont revert back after deleting files
I ran into a similar issue and found in the Debian Wiki page NetworkInterfaceNames that I needed to update the initrd after changing/deleting the SystemD Link Unit file. This should work at least for ...
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Slow download speed when not using ExpressVPN; especially for overseas, especially for single-connection. Upload not affected
In this case the answer was to change ISPs due my original ISP's international routing being a bit crap.
Tangerine Telecom, using the Vocus backend, was not good. I did spend a while with a ticket ...
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How do I play multiplayer minecraft with my Unifi UDM SE?
The UDM was blocking the connection because it saw it as a security threat. I just allowed it and now I'm able to connect.
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how to access windows localhost from wsl2?
Other answers have solved this by using "$(hostname).local".
However, for my case at least (Ubuntu 23.10 on WSL 2), running the command ping "$(hostname).local" errored:
ping: <...
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DHCP and accessing local subnet
Customer rules don’t give me the opportunity to configure devices addresses, but I need the controller address to be static
That's something you really need to work out with your customer first. At ...
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Lifecycle of HTTP request messages after being received
Response Sending: The web server thread sends the generated HTTP response back to the client through the established TCP connection.
Request Removal: Once the response is sent, the request object is ...
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IPtables dropping packets I can't see with tcpdump and I don't know why?
You probably need the following rule:
-A INPUT -i lo -j ACCEPT
This is likely because you have the systemd-resolved local DNS stub listener listed as the (only) nameserver in your /etc/resolv.conf.
...
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How to configure a traffic route from VM1 through Host to VM2
It is necessary through Host-Win
In that case, you preferably shouldn't have the VMs on the same subnet. When they're in the same subnet, they will "know" that they can reach each other ...
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Network shares not available in Windows scheduled task
It turned out to be a stored credentials problem. I used Windows Credential Manager to check and I found that Windows had stored the credentials for the NAS share, but had not stored the credentials ...
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Why is my pc dropping this UDP packet?
Figured it out, finally!!
Turns out the packet was too short. The minimum ethernet packet length is 64B, this packet was 54B.
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0
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connecting a router to another via wifi: what feature does the router need to have?
You will need a router that is WISP capable so it doesn't only have an Ethernet WAN interface but you can also set it up by connecting to a WLAN AP (usually from your ISP, in your case the VDLS Router)...
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I'm unable to connect ssh using putty on my pc, but on other pc I can
"Connection timed out" usually indicates some firewall is blocking the connection. Assuming your VPN provides an unrestricted network path between the PCs, it might be located:
on your ...
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0
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IIS FTPS Port Reachable on LAN but not WAN
Issue was with the NAT rules, not IIS. Telnets helped solve that.
assuming service provider IP is x.10, they were trying to reach my IIS using NAT x.12. but, the NAT would forward the traffic with the ...
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Force SQL Server 2019/Ubunti to use ipv4 instead of ipv6
/opt/mssql/bin/mssql-conf set network.ipaddress 0.0.0.0
systemctl restart mssql-server
works good !!
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Set-up for home network
Is such a configuration possible?
Yes, with a few of caveats.
Caveat #1 - Some IOT devices use broadcast protocols - as such if you divide up your network you may have difficultly discovering IOT ...
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How to chain two VPNs? (basically tunneling through another tunnel)
To achieve a similar setup without using a virtual machine (VM), you can use a technique called "tunneling through SSH." Here's a step-by-step guide to help you set it up:
Choose a computer ...
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Domain DNS settings do not work behind DS-Lite connection
Finally after some long research I got it work:
The problem was actually my FritzBox which uses DNS rebind protection which means that it does not allow resolving of private IP addresses. This was no ...
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How do you port forward using IP filtering rules?
How do you port forward using IP filtering rules?
You don't. The core of "port forwarding" is not just packet filtering, it's packet rewriting (address translation), which needs a NAT rule –...
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How do you port forward using IP filtering rules?
If you are able to leave source IP blank, then do so, if you are not, try 0.0.0.0 in source IP Addr, or if it wants both feilds completed, enter in 0.0.0.0 in both.
in dest IP enter in 192.168.1.7, if ...
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