Questions tagged [private-network]
The private-network tag has no summary.
24 questions
11 votes
3 answers
6k views
Future-proofing top-level domains for private networks
I recently installed some new servers on my home network to discover that systemd-resolved doesn't resolve hostnames without dots. This got me on a journey on the internet trying to find what is the ...
user442054
0 votes
1 answer
1k views
how to assign an IPv6 static address [closed]
I have several IPv6 devices (custom built Linux) and my development machine (Fedora 30). They are all connected to a switch. I'm able to login to the devices through a serial port, i.e. I can talk to ...
- 691
1 vote
2 answers
495 views
Why is some virtual network interface assigned private IP address, while some is assigned loopback IP address?
Are docker0, lo and virbr0 are virtual network interfaces? Why are docker0 and virbr0 assigned private not loopback IP address? If private IP address can work like a loopback address, can lo be ...
- 107k
5 votes
6 answers
4k views
Connect to a device's SSH on a network that has no inbound traffic enabled and no static IP address
what I'm trying to do is to enable a Raspberry, physically placed in a client's site, that has internet access via Dynamic IP, to receive SSH commands from the wild without having to manipulate the ...
- 161
1 vote
1 answer
313 views
How to find a private class A IP address assigned to cable modem by DHCP server?
How to find a private (Class A) cable RF IP address (10.x.x.x) assigned to cable modem by provisioning system in DOCSIS cable network node? In certain situations, when device is online, the IP address ...
- 595
1 vote
0 answers
5k views
Correct way to configure CentOS7 NAT router?
The Background I have searched and scoured the web for information on the proper configuration of a NAT host running CentOS7 and firewalld for more than one private network. I have a working ...
- 11
0 votes
1 answer
321 views
When to tag physical ports on private VLANs?
8 port router over two switches (4+4) Using kernel 2.6.x I'm trying to setup private VLANs to enable port isolation on this router. Each physical Ethernet port should only be able to communicate ...
- 465
0 votes
1 answer
1k views
Bind9 configure part of public TLD for private network devices
Our company controls a domain called foobar.com, which is used for various public services (w.g. www.foobar.com directs to our website). The domain has public DNS records in a DNS service. We have ...
- 141
1 vote
0 answers
143 views
TCP/IP routes when using multiple DHCP servers
I have connected a computer (running Debian Wheezy) to two different DHCP servers (routers) through a cable and through a wifi device. If I look at the routes with route, I get the following result ...
- 849
1 vote
0 answers
1k views
Can't setup private network with systemd-networkd
I created two files in /etc/systemd/network/ vbr0.netdev vbr0.network Then I reloaded systemd-networkd, however interface vbr0 is DOWN vbr0.netdev: [NetDev] Name=vbr0 Kind=bridge vbr0.network: [...
- 11
2 votes
1 answer
315 views
Advanced Policy Firewall: allow_hosts.rules doesn't work
I'm trying to open ports for Nimsoft. In allow_hosts.rules I opened ports for private network: tcp:in:d=48000_48020:s=10.0.0.0/8 tcp:out:d=48000_48020:d=10.0.0.0/8 During starting apf I see that ...
0 votes
1 answer
1k views
How to route the traffic from machine 1 to machine 3 via machine 2 and vice versa, on the same subnet?
I've a Citrix Xenserver where I'm running VMs. I have three VMs there, and they have 2 NICs each: eth0 is my company LAN which I'm using for management, and eth1 is a "single-server private network" ...
- 111
2 votes
0 answers
120 views
Debian repo mirror or cache
Our company will soon have hundreds of vending machines running a custom Debian 7.x based image made with debootstrap. We want to set up the clients to be automatically updated keep the patch levels ...
3 votes
0 answers
91 views
How is it possible to send ping to all 127.0.0.0/8 successfully? [duplicate]
I have some wonders about 127.0.0.0/8 network and have 2 question about it. Firstly, why 127.0.0.0/8 is not considered as private network? I wonder this because wiki page does not mention about it. ...
- 1,157
1 vote
1 answer
954 views
VPN that gives me an internal IP and allows me to reach the internal network from outside
Using Red hat linux/CentOS. Where I have 1 Public IP, that is accessible remotely via SSH. Now that server needs to connect one VPN Server so that VPN server can give one IP to our Server. Now from ...
user11085