All Questions
Tagged with iptables raspberry-pi
39 questions
2
votes
2
answers
136
views
Routing packets from one wireguard client to another using iptables
This summarizes what I want to achieve:
Phone (192.168.1.245) -> Raspberry Pi 1 (wg0 10.8.0.3, wlan0 192.168.1.174) -> VPS (wg0 10.8.0.1 VPN Server) -> Raspberry Pi 2 (wg0 10.8.0.110, wlan0 ...
- 31
1
vote
1
answer
162
views
Unable to forward and receive internet traffic through Raspberry Pi 4 Wifi AP
There are many tutorials out there showing how to set up a Wifi AP using Raspberry Pi 4, all with different configurations. I am trying doing it with my specific setup as following:
RPi4 acting as ...
- 133
0
votes
0
answers
48
views
Add foreign address to IP tables to Docker Image
I am new to Docker. I have a sample website running in a Docker Container and I am trying to access it from another computer on the network.
tcp 0 0 localhost:3000 0.0.0.0:* ...
- 113
0
votes
1
answer
467
views
Can't reach home networked Linux computer, but it's up and has internet access, not sure how to trouble shoot [closed]
I have a home server set up on a Raspberry Pi running Dietpi / Debian. Everything worked fine and I provided several services to the home network, e.g. Paperless. The server has a static IP, which I ...
- 13
0
votes
1
answer
49
views
One computer (RPi CM4), 2 NICs, two separate networks
I have a RPi CM4 machine with 2 NICs. I want to be able to communicate with the main network on eth0 (192.168.1.x) and a separate network on eth1 (192.168.0.x).
For the main network connection, IT ...
- 1
0
votes
1
answer
564
views
Proxy server with squid and multiple 4G routers
A particular Raspberry Pi 4 is connected to wlan0 (192.168.10.174) on a 4G router (192.168.10.1) and has a 4G mobile connection.
Already on interface eth0 (192.168.1.41), is my local network router (...
1
vote
0
answers
243
views
How to configure RPi to work as wifi access point that uses a Burp as a proxy?
I am attempting to use a Raspberry Pi Model B+ as a WiFi access point with the IP address of 192.168.0.1. This access point should redirect all HTTP and HTTPS traffic to a different machine with the ...
0
votes
1
answer
982
views
Unstable LTE connection with SIM7600G-H 4G HAT
I've used a RasperryPi 3B+ together with the SIM7600G-H 4G HAT module to build myself a home router. The HAT module is connected via mini-usb.
I managed to setup the LTE connection using qmicli with a ...
- 1
0
votes
1
answer
275
views
how can i access device on dhcp server from outer net
i made DHCP server on rpi with following settings:
for interface eth1:
interface eth1
static ip_address=192.168.1.1/20
static routers=192.168.1.0
and for dnsmasq.config
interface=eth1
bind-interfaces
...
1
vote
1
answer
706
views
Iptables-restore does not work with SNAT
I am using Raspbian on a Raspbery Pi (based on Debian 10) and I'm trying to use the following line in my iptables rule set:
-A POSTROUTING -s 2.3.4.5/26 -o eth0 -j SNAT --to-source 1.2.3.4
However ...
- 11
0
votes
1
answer
2k
views
Iptables split traffic through VPN and home network
I am using an Raspberry pi as my router to serve my pc and an ioT device. The connection diagram is as below:
network setup
The RPi has two ethernet port, eth1 connected to my home network 192.168.1.0/...
- 103
0
votes
1
answer
1k
views
raspberry pi iptables forward DNS requests over VPN
I have used and slightly modified the rpi-wifi script to set up a WiFi access point while using the standard WiFi connections. All is good.
I want to setup ExpressVPN and have all traffic go through ...
- 145
0
votes
3
answers
5k
views
Creating a 1:1 NAT with iptables
I am trying to learn a bit about NAT translations in Linux, but I havent seen any proof-of-concept that was boiled down to as basic as possible.
Anyway. Here is a drawing of my setup:
I have a very ...
0
votes
1
answer
254
views
Access Raspberry Pi behind a NAT firewall through Internet
I have been developing projects with Raspberry Pi 4. For the current project I am running a NextCloudPi server on it. I am able to access the server using my Internal IP. I want to access it using a ...
0
votes
1
answer
786
views
Connect from a computer to a Raspberry connected in a second computer (RNDIS)
I have a Raspberry Pi attached to my laptop using the USB (RNDIS) so I can see the Raspberry Pi as a Network Card + Device. I can SSH from my laptop to the Raspberry Pi using the 192.168.64.1 IP. I ...
1
vote
0
answers
265
views
Redirect all http traffic to static address in OpenWrt on Raspberry
I have an ISP router with IP 192.168.1.254.
I installed OpenWrt on my Raspberry PI 3 B.
Raspberry is connected to the ISP router via ethernet
On the Raspberry I configured 2 networks:
wan
wifi
...
- 111
0
votes
1
answer
304
views
iptables guest network isolation not working
I have a raspberry pi setup as a router to serve a guest network.
Setup as follows:
Pi interface eth0 connected to local home network (192.168.10.0/24)
through this network the Pi can connect to ...
- 103
0
votes
1
answer
531
views
IPtables not blocking wifi traffic on Raspberry Pi Access Point
I have an rPi running as a wireless AP for my IoT devices. I'd like to set up a firewall rule to prevent suspicious traffic (why would the camera need access to SSH?). The rPi is connected to my ...
- 1
0
votes
1
answer
265
views
Ethernet II frames have broadcast MAC as destination (when connected to Raspberry PI access point running Hostapd)
I am having some strange (and oddly inconsistent) issues setting up a Raspberry Pi 3 AP, using a USB WiFi radio & directional antenna for an upstream connection to my residential internet wifi ...
0
votes
1
answer
729
views
Connecting to a server on a different network controlled by a raspberry pi
I didn't really know how to phrase this question, but this is my setup. I've got my Router and wirelessly I've got a raspberry pi connected to it. Then the pi tunnels the connection from the wifi to ...
- 98
26
votes
5
answers
58k
views
iptables/1.8.2 Failed to initialize nft: Protocol not supported
I'm having a problem using iptables on my Raspberry PI.
I've just downloaded a fresh version of Raspbian Lite on my PI and all I'm trying to do is check my iptables rules but it's not working and I'm ...
- 261
2
votes
0
answers
281
views
Port Forwarding when using a Bridge and IPTables
I have a Raspberry Pi that I am using as a bridge to allow it to act as a router to devices attached to it either via a physical port (eth0) or a wireless connection (wlan0). The Raspberry Pi has a 4G ...
0
votes
1
answer
269
views
iptables error while building docker image on raspberry pi (linux/ARM)
I have docker and docker-compose installed on my raspberry pi. While trying to build the following a docker-compose.yml I receive the an ip tables error during the building of a (linux/arm ported) ...
1
vote
1
answer
674
views
openvpn is blocking external request to webserver and ssh
My setup:
Raspberry pi 3
OS: raspbian 9 (stretch)
local network (eth0): 192.168.0.X
wireless network(wlan0): 192.168.10.X
This setup is behind a modem/router which provides access to the internet.
...
- 11
1
vote
1
answer
2k
views
Traffic Shaping (simulate packet delay and loss) on Linux Wi-FI Access Point
I have a Pi 3 B+ setup as Wi-Fi access point and would like to simulate packet delays and packet loss for connected devices communicating through the AP. I thought that I could achieve this using tc ...
- 11
3
votes
1
answer
862
views
Using Raspberry PI as OpenVPN router for Asterisk
So, I've been banging my head with this for quite some time.
I have the following configuration:
OpenVPN server, IP 1.2.3.1
Asterisk server, connected to OpenVPN server, IP 1.2.3.3
Raspberry PI, ...
- 862
-1
votes
1
answer
122
views
Onion Router Raspberry use only Lan and not Wlan
hello i have a tiny problem, i followd some tutorials, everything is working over the created wlan hotspot but i want change it thaht everything will goes over Lan, like the Raspi act as normal Router(...
- 101
4
votes
2
answers
4k
views
Domain lookup issue from within network namespace
I need to bind one program to the wlan1 interface, all other programs by default should use wlan0.
For this reason I configured dedicated network namespace:
ip netns add wlan1_ns
ip link add ...
1
vote
1
answer
1k
views
Internet speed slows down when using NAT on a Raspberry Pi single NIC router
I have a Raspberry Pi 3 B configured as a single NIC router, when i enable NAT via iptables then my internet will slow down by half of the maximum speed (75mbit of 150mbit) when I turn the NAT in ...
- 21
2
votes
1
answer
11k
views
Cant SSH into server, not responding
Short intro:
I have 2 servers. Home server and in remote location Raspberry Pi. Both are running ssh, postfix (rpi as backup), bind (home server for lan only), squid3, fail2ban and other (possibly not ...
- 51
0
votes
1
answer
327
views
iptables instead of changing browser proxy settings
I'm currently trying to set up a Raspberry Pi as a wireless access point, and want to run JonDo on it.
JonDo acts as a proxy that redirects my traffic through a cascade of mixes, in order to hide my ...
- 1
1
vote
1
answer
42
views
Linux gateway using double data on AT&T, is my iptables wrong?
I have cellular internet connection with AT&T. Everyone connects to the wifi access point that I have my Raspberry Pi connected to as DNS/DCHP/Gateway server.
On my Pi I use dnsmasq to give each ...
- 23
1
vote
1
answer
53
views
MedaiWiki server publicly inaccesible on Raspberry Pi
I'm having trouble publicly accessing a MediaWiki server that I have set up on my Raspberry Pi. I am getting a "connection timed out" error when trying to visit the server remotely. It is however ...
- 13
0
votes
2
answers
2k
views
Traffic redirection with Rasperry Pi router
I use a Rasperry Pi (running raspbian) as a wi-fi router. It redirects traffic from the Ethernet wire (eth0 - wire + ppp0 - L2TP connection, lx2tp used for it) to wlan0 (USB wi-fi dongle, hostapd used ...
- 123
1
vote
1
answer
994
views
Using iptables to allow LAN and drop WAN of unknown devices
I posted this over on stackoverflow but it was off-topic.
I have looked around and couldn't find the answer to my question. I am using a raspberry pi as an internet gateway between my LAN and two ...
- 23
2
votes
1
answer
2k
views
iptables - UDP Packets from unknown IP addresses
I'm really new to basic systems administration, and this question is a bit difficult for me to Google. I'm setting up a small raspberry pi server for my own personal use, to teach myself some basic ...
- 371
0
votes
1
answer
143
views
Run shell script on incoming network package
I have a bit of a weird question. I have a setup where a Raspberry Pi (running that debian) sits next to a door in my office and is connected to the network. The idea now is that if somebody inside ...
- 165
1
vote
1
answer
3k
views
Can't ping through default gateway
I have the following configuration:
Routing table on M3 is:
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 192.168.2.1 0.0.0.0 UG 0 ...
2
votes
2
answers
14k
views
Forward connections on 0.0.0.0:80 to 127.0.0.1:9091
I'm trying to set up a tor-relay.
In order to allow tor to present a static web page explaining what it is I want the server to listen on port 80 and 443.
In order to allow tor to use accounting/...
- 531