Questions tagged [iptables]
is a user-space application to configure the Linux kernel firewall tables. These tables contain chains of rules defining the treatment of network packets.
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VPN Passthrough two ethernet interface
I'm a quite new in the network my internet acces have a proxy so to by-pass it I use a VPN hosted on my VPS. I use the OpenVPN Client software for all my devices. (Windows, Android, Linux)
I got a ...
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Iptables and reverse ssh tunnel to connect with IP camera
I need to be able to access an IP camera that is on the same local network as a raspberry. I do not have access from the outside because it is a mobile data network that does not give me public IP or ...
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Forward port (80) to another local network IP
I have a Rpi, which is behind NAT (4G carrier), but I've managed to expose ports to be accessible from the internet using https://www.remot3.it.
I want to use the Rpi as proxy, so I can access a IP ...
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Can't ping certain devices on my network [closed]
I've got a rather odd problem. The Raspberry Pi is connected fine to the internet i.e. I can ping google.com and browse the web without any problem. However, the problem for me is that I am unable to ...
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Make a program to run on a specific network interface?
Short question: How can you make only one specific program run off wlan0 and leave everything else to run off the ethernet?
Long question: I've been using my Raspberry Pi for a while now and I love ...
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Raspbian Stretch iptables: Can't redirect all requests to localhost on pi
I have a private hotspot running on the raspberry based on RASPAP, which is working perfectly.
Now I wish to automatically direct all the users who connect to this wifi towards a locally hosted ...
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Faking an internet connection on an access point
I'm working on a project where a Raspberry Pi creates its own access point running a Flask server, but will not have an internet connection. I set up the iptables so that when the user tries to ...
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Edit iptables to open a port the safest and easiest way (nano?)
I have this web application called HaasBot (running on Mono 5) which I want to run on my Raspberry Pi 3 with Raspbian Stretch Lite (Terminal only!) as a server internally in my network only.
Using SSH ...
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How to redirect IP network to specific interface
I'm developping an app for Android Things DP4 on Rpi3.
I need my Rpi to send packets with destination IP in the network 10.110.2.0 with the interface wlan0 and packets with destination IP in the ...
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Windows Ping Problem
I seem to be having a strange problem with my Raspberry Pi - I can ssh to the Pi, but the Pi cannot ping the computer I am ssh'ing from (Windows firewall allows ICMP packets). I have the Pi configured ...
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How can I activate UFW on my Raspberry Pi 3 B without risking to lock myself out?
I want to activate UFW on my Raspberry Pi 3 B as I have used it previously on another machine and was quite content with that software.
I have already downloaded UFW but I need to make sure that I ...
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Prevent traffic from specific IP from routing through OpenVPN
I am using a Raspberry Pi 3 as a WiFi access point, which routes all traffic through the tun0 interface/OpenVPN. However, I'd like to be able to route traffic from a device with the IP 172.24.1.126 on ...
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Give fix bandwidth to all ip address for internet, but exclude local apache server
I have installed chilli, apache2, hostapd in raspberry pi. User can connect hostspot created by hostapd. Captive portal will open asking id password(because of chilli). Once user sign in, user ...
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How to configure RPI as access point?
All my life, I've been using Adafruit tutorial on How to set PRI as access point, but in the latest release the /etc/network/interfaces file looks diffrent. After following tutorial and reboot, RPI ...
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cannot forward from wlan interface to another wlan interface
I have two wlan interfaces: wlan0 wlan1.
wlan0 is an AP managed by hostapd, where as wlan1 is a normal wifi interface, which is connected to my home router via wpa_supplicant.
Additionally I have my ...
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Can only SSH using Wi-Fi connection not Ethernet
I have a Pi connected to both Wi-Fi and a cellular gateway but can only SSH into it from the Wi-Fi IP address. Port forwarding is, as far as I can tell, correctly set up on the cellular gateway. I ...
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Raspberry Pi 3 WiFi to WiFi Access Point not forwarding traffic to Internet
I followed this guide https://pimylifeup.com/raspberry-pi-wireless-access-point/ on how to setup an Ethernet to WiFi access point using the built in RPi WiFi adapter successfully. I connected my phone ...
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How to open a Raspberry Pi Linux port?
I need to open TCP port 25 on my Raspberry Pi 3. I watched videos on the internet re. iptables, nothing has worked. If you have a solution, using iptables or another method, that would be great.
If ...
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FTP connection broken after configuring iptables on Raspbian
So I managed to get a configuration of iptables that suits my needs, primarily based on 2+ hours of research and reading similar Stack Exchange and forum posts.
However, this seems to have broken my ...
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Correctly Route 2 Newtorks
I am currently running Pidora and I have configured it so that dhcpd hands out an IP address to devices connected via Ethernet on a network of 192.168.2.1 whilst it (the Pi) obtains a static IP from ...
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Error installing iptables-persistent
I tried to install iptables-persistent without success. I checked the dependent packages and tried to install them manually but it is also not working.
What I tried:
sudo apt-get install iptables-...
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Issues with WiFi-WiFi Tor Proxy
Background
I am currently trying to build a portable Tor Router on my Raspberry Pi 3.
So I have my Pi 3 with two wireless interfaces, one is a station and the other is an AP.
wlan0 (station) - ...
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Steps required to protect home network from Raspberry PI infected with malware or hacked? [duplicate]
I'm not to savvy with network security so I hope someone can help me.
My question is reformulated here to be more precise, something that was requested by other members in the previous question. I ...
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Only allow ssh from 192.168.XXX.XXX
How can I only allow ssh access from the local network (192.168.X.X) and drop all requests from the internet?
What is the best option? adding an iptables rule or modifying the /etc/hosts.allow ?
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Open Splash Page After Connecting to Wifi Hotspot
I'm using my pi3 to display a local "website" as described here Making a Raspberry Pi 3 accessible w/o configuration via WiFi and static IP/URL.
Therefore, I'm creating a hotspot with the pi. This ...
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Using Pi as a router doesn't Internet - funky iptables?
I'm using this Adafruit guide for turning my Raspberry Pi 2 B+ into a wifi router. I've got all the software installed and it works! Well, sort of.
I can connect to the router A-OK, and if I run
...
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Raspberry pi has ip address, not connecting to internet
I have my raspberry pi running on raspbian jessie lite. I have created a hotspot on my windows machine and connected my raspberry pi to the hotspot. The pi has got an ip address assigned to it, but ...
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SSH connection refused via ethernet cable
I try to connect to my Raspberry Pi from my Mac via an ethernet cable. I get: ssh: connect to host 169.254.32.96 port 22: Connection refused.
Nmap says this:
Starting Nmap 7.12 ( https://nmap.org ) ...
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Inverting iptables interfaces [closed]
I'm building a LAN to WLAN router and I need setting up NAT using iptables.
I don't get the description of the -i and -o command line switches (emphasis mine) in the MAN page:
[!] -i, --in-...
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iptables: nat table does not exist
I'm trying to do some NAT on my Raspi 2 running Raspbian. But when I try to do anything with the nat table in iptables, I get the following error:
iptables v1.4.21: can't initialize iptables table `...
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Is there a way to set up a tor-ap and be able to turn tor routing off when needed?
I recently turned my raspberry pi into an AP and am wanting to follow the directions here https://learn.adafruit.com/onion-pi/overview. However, after reading the section here https://learn.adafruit....
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iptables allow only SSH and VPN
I have my Pi 2 with a public IP address and I would like to protect it. I would like to have access only to SSH (public/private keys), openVPN, services that are requested from the pi itself, such as ...
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Can't access to ssh after configure OpenVPN Client
I followed a guide to configure my raspberry to connects to PureVPN server following this guide : How to Setup PureVPN on Raspberry Pi.
I Followed the part regarding OpenVPN. After the configuration ...
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Setting up a Huawei LTE stick e3372 on a raspberry
I have just taken over a project from a colleague so I am not 100% sure what this pi have been up to before.
Anyways, my task is to setup a Huawei LTE usb Stick (E3372) as a modem for the raspberry ...
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rPI access point devices can't see upnp devices, but can access by ip. Missing iptable or incorrect interface setup?
I posted yesterday, but forgot my login, sorry guys :(
I setup a basic wireless access point to access my ethernet network from my wifi devices not near it. I can access devices by ip just fine, but ...
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forwarding ports from eth0 to wlan0
I have a raspberry pi 3 which is set up as a wifi ap using hostapd and dnsmasq sharing the eth0 which is connected to an ADSL modem. My laptop is connected to this wifi ap. I have set up vnc servers ...
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1
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Preventing my rasberry pi 2 from routing traffic over the internet
I have my raspberry pi 2 connected via Ethernet to our router which is connected to the internet. The Pi 2 is used as a media server but I would like to be able to ssh to the pi 2 and disable and ...
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How to forward traffic from tun0 to specific IP behind eth0 (iptables)
My raspberry pi is connected to a OpenVPN server on interface tun0. The internet connection is setup over a 3G/UMTS mobile stick(eth1).
How can I forward all traffic coming from tun0 to a device with ...
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1
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IPv4 forwarding from RPi 2 to RPi Zero via OTG cable
I am trying to use my Raspberry Pi Zero together with my Raspberry Pi 2 and I want to share network access from my Raspberry Pi 2 to my Raspberry Pi Zero. I can easily create a local network ...
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VPN + IP Route headaches
I followed a guide here to turn my raspberry pi into a vpn router for my PS3. Basically it uses the Wi-Fi connection of the Pi to share internet to the ethernet connection.
It works perfectly on one ...
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Multiple OpenVPN clients on Raspberry Pi
I have a cute Raspberry Pi 2 router running Raspbian Jessie. It connects to a VPN using OpenVPN on tun0 and redirects all the wireless (wlan0) traffic into tun0. This is done by using these iptables ...
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RPi as Internet Gateway/Bridge
Can I use RPi as Internet Gateway/Bridge, with the possibility to control the network bandwidth depending upon local IP?
I would like to setup as follows, and I tried the tutorial at http://...
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Raspberry Pi Tor router without WLAN
I have Raspberry Pi 1 model B+ with Raspbian Wheezy. I bought a USB2-Ethernet adapter and decided to create hardware Tor routing. What I mean by hardware routing:
The Raspberry Pi will be in middle ...
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RPi B+ with WiFi clients
I have my RPi B+ "working" as a Wireless Router, except for the routing part.
I can associate to the WLAN0 side of the RPi but traffic doesn't go through to the eth0 side.
Routing Table:
Kernel ...
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10 second delay on Post Request from Midori with node backend server
I have a RaspberryPi that runs a small web-application on it. It is auto-loaded on boot in midori (kiosk mode) and a small timer runs on it (updated every second). This works all right.
Now, the ...
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Performance of a raspberry pi as a firewall
I am thinking of setting up a raspberry pi inside a private network to act as a firewall for all incoming/outgoing traffic in that network.
The idea would be to have a router connected to the network ...
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Opening ports with iptables
I'm imaged sd card with latest version of Raspbian :
http://downloads.raspberrypi.org/raspbian_latest
This comes with version of iptables. However there are no rules configured. Do I need to add a ...
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Specify port number with hostname
I think its not possible but Is there a way to specify a port for IP addresses listed in the etc/hosts file. If not, how to solve this:
working url:
http://raspberrypi.local:1234/mypage
but if I ...
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Trying to use Pi as a bridge between 3G dongle and Ethernet [closed]
I don't have a lot of experience with Linux, but I was hoping I'd be able to use my Raspberry Pi to share a 4G dongle's internet connection with my main router. Unfortunately I haven't quite managed ...
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Raspbian can't forward port to a ip in lan
I have a problem: I have a DVR connected to my router and I want to access it from remote but in my country there aren't ISP that offers free ports. So I bought a Raspberry Pi, connected it to Hamachi ...
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