All Questions
19
questions
0
votes
0
answers
21
views
Route between two network interfaces (one with VPN, the other one served DHCP addresses)
I tried to find an answer to my question, but I've not found anything...If this has been asked and answered I'll be happy with a pointer.
I have a server running Ubuntu 23.10 with two network ...
- 1
0
votes
0
answers
16
views
Dual nic server with open client http port unreachable
I am setting up a poe switch connected to my ubuntu server 20.04. I am running an amd 5700 with some generic parts in a minipc that is being used as an nvr. I have a internet facing nic, eno1, where ...
1
vote
1
answer
1k
views
Prevent routing of DHCP traffic
First, I'm aware that similar questions to mine have been asked elsewhere (I've read many of those posts!) but I've not been able to figure out a solution to my problem, so I'm asking for help.
My ...
- 11
0
votes
2
answers
831
views
WiFi AP's have no internet connectivity after seting up IPTABLES
I have set up an Ubuntu 20.04 SERVER to act as a Gateway/Router.
Now that the gateway is functioning, I now no longer have WiFi access via several AP's in my house.
I am able to connect to the AP's, I ...
0
votes
0
answers
157
views
How to test to see if packets are moving between two ports on a dual port NIC
I'm trying to set up a home router on Ubuntu 20.04 Server.
I have followed dozens of on-line tutorials, and for the life of me, I can't get this to work.
As soon as I get everything set up, nothing ...
0
votes
1
answer
299
views
How do I let my client to use internet via using iptables in Ubuntu 16.04 in VirtualBox
I've got setup dhcp server who is listening for IP requests in private server. When client connects to it, he gets an IP, gateway and dns address. Server can ping him and client ping server, but ...
- 5
1
vote
1
answer
9k
views
Ubuntu Server 20.04 LTS no internet using static IP for ethernet and dynamic for WIFI
I'm configuring a raspberry cluster using Ubuntu Server 64bits 20.04.
I need a static ip for my master and the master will also share the internet from the wifi forwarding to the ethernet and then to ...
- 113
0
votes
0
answers
5k
views
Use Raspberry pi 4 as router with Ubuntu 20.04
I was exploring creating my own router using Raspberry pi 4B (2GB model) and Ubuntu 20.04. I have seen few tutorials on how to create hotspot using hostapd and route traffic through all interfaces. I ...
- 305
3
votes
0
answers
5k
views
how to properly install and configure stubby on a ubuntu server
This is what I have done, according to this instructive: Protect Your DNS Privacy on Ubuntu 18.04/20.04 with DNS over TLS, but it does not work in my localnet. What am I missing?
Install stubby on ...
- 2,210
1
vote
0
answers
180
views
Ubuntu Router - 2 NICs - cannot ping Internet from internal network
I have read many posts on how to configure 2 NICs, but some help would be very appreciated. I am planning to make a router using an Orange Pi R1. I have installed Ubuntu Xenial Server using an image ...
- 11
0
votes
1
answer
2k
views
how do I get samba to be accessible from the LAN on which the server connects to and the LAN it routes?
I have an Ubuntu 16.04 Server that I am currently trying to configure as a router with samba shares. The router part works now it's samba I'm having problems with.
The Server connects to the internet ...
- 1
0
votes
2
answers
9k
views
Route traffic beetween LAN / WAN interface
we use an internal little server with a dhcpd service (pxe system).
The server has two nic's:
- LAN (PXE)
- WAN (uplink of remaining company lan / network)
WAN NIC is auto configured by DHCP server.
...
- 41
1
vote
0
answers
112
views
Resolve domain names to IP's based on physical adapter
System Configuration
eth0 NIC to the LAN/WAN/Internet (working, don't want to mess with it)
eth1 NIC
eth2 NIC
Objectives
Assign a static IP to eth1 and eth2 and assign IPs (DHCP) on separate ...
- 111
2
votes
1
answer
1k
views
Ubuntu 14.04 as router Destination Network unreachable
I am fightning with this for like 10 days now i really need to ask you guys, i hope someone has 5 mins time to explain me what i am doing wrong!
For the start i wanted to configurate a router for my ...
- 21
1
vote
0
answers
3k
views
Dnsmasq and Iptables for routing
I'm using a Raspberry Pi with two ethernet ports as a router. The network looks like this.
"Internet" <--(…)--> Fritz!Box <--(172.16.x.y)--> [eth1, dhcp] Raspberry Pi [eth0, static] <--...
- 1,585
0
votes
1
answer
524
views
Failover/ gateway issue. Help please
hope someone can help, this would be excellent.
I’ve ubuntu DHCP server (10.04), which works great (many thanks to everyone who helped me in this excellent forum).
This server has 2 cards, eth0 for ...
- 71
1
vote
1
answer
146
views
Can I have a dhcp interface in /etc/network/interfaces?
I have an interface already configured for an internal interface, which is static under eth0. My question is, can I create a dynamic outfacing interface under eth1.
The reason I want to so this is ...
- 815
3
votes
1
answer
391
views
Blocking MAC Address does not work on DHCPv6 request
I blocked a MAC address of a client on my DHCP Server running on Ubuntu 12.10 using
iptables -A INPUT -m mac --mac-source -j DROP
But I am still getting DHCP requests from the client and the ...
- 2,300
3
votes
1
answer
4k
views
No client internet access when setting up these iptables rules
I have read many other posts but cannot figure this out.
eth0 is my external connected to a Comcast modem. The server has internet access with no issues.
eth1 is internal and running DHCP for the ...
- 361