4
votes
Block IPs without receiving traffic
There's nothing you can do. You don't control the upstream infrastructure, so you can't drop packets before they reach you.
- 5,168
3
votes
Connect mobile app to a server in LAN
Option 4. Pay someone who knows how to do this properly and securely - don't try to re-invent this particularly complex wheel themselves.
- 101k
3
votes
Accepted
Can I measure the performance of a linux software bridge using this setup?
You can, but you need to put those three instances in different network namespaces or different VRFs so they won't figure out the "shorter" path. Also you can check was the shorter path ...
- 9,098
2
votes
Accepted
No subnet declaration for WAN
While the other answer is correct in that it is safe to ignore this warning, some people prefer "zero warning policy", by configuring the system in advance so it won't emit warnings for ...
- 9,098
2
votes
Accepted
What is the proper term for two IPs that can or can't reach each other?
You could say 10.0.0.10 has no route to 10.0.1.20. Since your example is that there is no route between 10.0.0.0/24 and 10.0.1.0/24, you could say that (as opposed to more specifically saying 10.0.0....
- 3,059
1
vote
Network is gone when I start arp spoofing
The machines use the router to get to internet. So if you spoof the router's address, and don't also pretend to be a router, you lose connectivity.
Turning on port forwarding isn't enough, because ...
- 539
1
vote
Kubernetes Ingress not properly routing traffic
You need a loadbalancer, that is tipically provided by your cloud provider (which from that host name I guess it's AWS) which is very likely missing because you are also missing
ingressClassName: ...
1
vote
Can you connect two PC ports with different subnets to one unmanaged switch?
If this is a 'one to one' connection between the camera/s and single PC then why not just put more NIC ports in the PC and run a cable between the cameras and these ports - then just set each '...
- 101k
1
vote
Can you connect two PC ports with different subnets to one unmanaged switch?
It's not a terrible idea (but neither a particularly good one). Things should work really, but in the end you will need to have two gateways anyway (two routers or a rounter with multiple ports) which ...
- 11
1
vote
What is the correct term for a subnet "served" by a router?
The proper term for a router that is providing a route to another network, with a client device routing traffic through the router to reach another IP address in another network would be gateway. In ...
- 3,059
1
vote
Accepted
Make IP route and routing rules permanent using nmcli on RHEL 8 / Rocky 8
I'm pretty new to networking, so please bear with me! I'm seeing extra terms such as proto static on the first line...
You see proto static because you have created a static route. Routes created by ...
- 42.3k
1
vote
Accepted
GKE pods to other VPC peered instance not reachable
I was able to fix this issue using ip masquerade daemonset created in GKE
REF: https://github.com/kubernetes-sigs/ip-masq-agent
- 121
1
vote
SFTP - files are only transferred in short bursts for one client - routing issue or SFTP/SSH configuration?
No, that pattern isn't normal. (Although using a python script to monitor the growth of the incoming files is not a good gauge. You should monitor the network bandwidth towards your server, filtered ...
- 9,152
1
vote
Is there a remote filesystem for Linux that's encrypted and resilient against unreliable servers?
Remote connection encryption and shared filesystem are two different things and there is no point to make mix them.
Set up a Wireguard tunnel between your client and server, and run any remote ...
- 35.6k
1
vote
Network profile is public unless domain controller is in hosts file
You should not need to edit the hosts file. Joining a Windows Domain requires two fundamental things:
Network connectivity to the Domain Controller (DC)
DNS Resolution provided by the DC
If you can ...
- 3,059
1
vote
Use container hostname resolution with network=host
Docker macvlan sets up a software switch(bridge) on a host network interface of your choosing. This could be the same interface as the host, or a different interface or sub-interface with a ...
- 11
1
vote
LXC instances do not have IPv4 addresses
This worked for me:
sudo ufw allow in on lxdbr0
sudo ufw route allow in on lxdbr0
sudo ufw route allow out on lxdbr0
Via: https://discuss.linuxcontainers.org/t/lxd-bridge-doesnt-work-with-ipv4-and-...
- 111
1
vote
Can I have my KVM guests on the same subnet as the host?
We want to have the QEMU/KVM guest VM to be on the same network subnet as the host.
In this example, the host IP on the network has IP address 192.168.0.10. The host only has one and only one NIC.
...
- 11
Only top scored, non community-wiki answers of a minimum length are eligible