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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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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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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Problem with iptables on buster - neither legacy or nft work
I recently installed buster on a Pi 3 Model B. Trying to setup a von (using pivpn) I realised that iptables is not working.
I've learned that there's legacy mode and nft. Here's part of the output ...
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2
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Raspberry Pi DHCP Server: clients not getting IP addresses
I am relatively new to networking, so please bear with me. For a purely educational project, I've set up a network where the Raspberry Pi 3 running Raspbian Stretch is to function both as a router and ...
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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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4
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How can I disable raspbmc's firewall for SSH access?
I want to be able to SSH into my Raspberry Pi from an external IP address. Right now, this doesn't work, due to raspbmc's firewall. How can I disable this firewall?
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How to restore the original iptables configuration?
I use RaspBMC as OS which stores its "persistent" iptables configuration in /etc/network/if-up.d/secure-rmc and I presume it's applied when the eth link goes up (e.g. after boot).
If I futz with the ...
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2
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Raspberry Pi Wifi Repeater – Block Ads
I configured my raspberry pi as a wireless repeater (using hostapd and dnsmasq).
Now I wonder how I could use it to block known ad-servers?
What would be the best way? Using iptables? Or setting up ...
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3
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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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How to make Pi an AP with 2 WiFi adapters?
I got a question. How to make Pi to be an AP with 2 wifi adapters, one wifi adapter is used to connect to the router, and another one is used to be an AP ? How to do this ?
By the way, I have ...
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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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Configure the port knocking server (knockd)?
I'm trying to configure port knocking on my RasPI running Raspbmc, using knockd.
Here's what I've done:
sudo apt-get update
sudo apt-get install knockd
...then edited the files:
/etc/default/...
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1
answer
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is iptables broken or is it a kernel related issue?
I am trying to setup an access point on a raspberry pi 3 v1.2 using this repository create_ap with this Wifi adapter
Bus 001 Device 005: ID 0bda:8178 Realtek Semiconductor Corp. RTL8192CU 802.11n ...
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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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1
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Routing ethernet connection over WiFi [duplicate]
I have a situation which requires routing the connection from wlan0 to eth0 over the same network. The reason behind this, is that I would want to be able to connect to a device connected to the RPi ...
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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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2
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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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1
answer
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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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1
answer
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OnionPi - No internet connection after adding Iptables rules
I need some help or advices since I've not know what could I do to fix this issue.
I've built an onion pi following the adafruit tutorial.
This basicly is a wifi hotspot that routes all traffic ...
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2
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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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0
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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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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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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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2
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nat in the iptables is not recognized
I am trying to set up my Raspberry Pi as a Man In The Middle device to monitor devices on my home network. When I try to forward port 80 to port 8080 (to allow the webpage to be loaded on the device) ...
user10394
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1
answer
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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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1
answer
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How to allow access from OpenVPN set on eth0 to wlan0
So I have the following configuration:
+---------------------+ +----------------------------------+
| 10.10.10.* | | 192.168.100.*...
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votes
1
answer
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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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2
answers
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Write current IP adress eth0 to a file
I need to store the current IP adress of my Raspberry Pi into a file. Can someone tell me how to do this?
The goal is to create a file in /var/www/ipadress.txt with this content:
192.168.0.28
$ ...
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1
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AP Bridge VPN IPTABLES rules needed
I have set up an access point with a bridge (bridge: I want to be able to access all other devices within my network) using this How-To (Setting up a Raspberry Pi as an access point - the easy way).
...
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1
answer
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Problem with iptables - can't DNAT or use --dport
I have been having a few frustrating hours trying to get iptables to work. I have updated and upgraded my raspbian. I have iptables V1.4.14 installed.
# iptables -A INPUT -i eth1 -p tcp -m tcp --...
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1
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How does 'iptables rules table' work with hotspot?
I'm using iptables rule for censorship. I created hotspot.When I try to connect website on raspberry with mother network, It's working. But I try on pc with hotspot my iptable rules isn't working. ...
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2
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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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How do I fix iptables -L error: operation not supported
I have all the newest software.
Downloaded the official image yesterday.
apt-get upgrade
apt-get update
rpi-update
.....
rebooted, of course
Does not help.
root@raspberrypi:/home/pi# iptables --...
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How to connect a ethernet device(having its own static I.p and netmask) wirelessly by my laptop?
I have a device which is used to monitor analog sensor data(Micron optics sm130 ) with ethernet port available. It has
Static IP as 10.0.0.126 Netmask as 255.255.255.0 DHCP server disabled
Its ...
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1
answer
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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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1
answer
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Need help for iptables/filter
Setup:
RPi connected to router using ethernet on subnet 192.168.0.0/24
which is also an access point access on subnet 192.168.43.0/24
So basically devices will connect to my Rpi for VPN traffic
I ...
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1
answer
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PiVPN client cant connect to local network
I've managed to setup PiVPN on a Raspberry Pi 3+ and I can connect from the outside, I even have Internet access, but I don't have access to the local network.
These VLANs are created under my USG ...
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1
vote
2
answers
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How to connect a ethernet device(having its own static I.p and netmask) via internet by my laptop?
I have a device which is used to monitor analog sensor data(Micron optics sm130 ) with ethernet port available. Its works fine if If I connect it with my laptop using ethernet cable and by configuring ...
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1
answer
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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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1
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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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Fedora - iptables rules change after reboot, iptables-save do nothing
So I'm setting a new fedora install on my raspberrypi (version: newest pidora).
Everything works, except vnc, any connection attempts are rejected.
So, as I'd like to make it working now and worry ...
user182690
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2
answers
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Can’t ping or mtr ipv4 when ufw enabled
These don’t work when I have ufw enabled:
ping 8.8.8.8
mtr -n 8.8.8.8
Ping just hangs and the mtr command immediately spits out the confusing message, mtr: Permission denied.
IPv6 works fine:
ping ...
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2
answers
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Can't access other devices over network, only via router unit
I recently set up my Raspberry Pi to act as a router. All is working well when it comes to connected devices accessing the internet. The problem is that my computers don't seem to be allowed/capable ...
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1
answer
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Use the RPi3 with Libreelec to route between 2 networks
I'm using Libreelec on a RPi3 and I would like to use it to route between eth0 and wlan0 too.
Network A - 192.168.0.0/24 with Internet access, connected to eth0, my network
Network B - 192.168.1.0/24 ...
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1
answer
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RaspberryPi VPN Router (eth0) works in Wired connections but not in Wireless ones
I have this following setup:
Office Network:
192.168.9.x --> Subnet for all Wired Connections
192.168.9.1 --> Wired Gateway IP
192.168.10.x --> Subnet for all Wireless Connections
192....
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1
answer
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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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1
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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 ...
- 151
1
vote
1
answer
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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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1
answer
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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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1
vote
1
answer
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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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