Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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 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 don't lock myself out when I enable it. I am remote…
Vesa
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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 --dport 443 -j ACCEPT iptables: No…
Bryan
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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 about security later, I clear iptables…
user182690
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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 FTP connection, as it used to work fine prior to…
ThatGuy
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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 sending emails. I have setup iptables: iptables…
john
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TOR Relay, Routing not working Properly

So I have been trying for a while now using this guide https://pimylifeup.com/raspberry-pi-tor-access-point/ . About 2 years ago I was able to do this, but my SD card corrupted and I had to do it again, but I am not able to properly route the TOR…
Martin Bradley
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Raspberry Pi Router: NAT & iptables --to-destination is not recognized

I'm struggling to get NAT working on my Raspberry Pi as I intend. Without giving a lot of information, this is the issue I encounter $ sudo iptables -t nat -A PREROUTING -p tcp -i wlan0 --dport 2222 -j DNAT --to 192.168.2.241:22 iptables v1.8.2…
user3728501
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How to get the iptables logs when Rpi act as router between ETH1 and ETH0

I have setuped my RPI following the post Sharing the Pi's WiFi connection through the Ethernet port I want to be able to have to source ip, source port, source mac, dest ip, dest port logged by iptables I already add the command : iptables -A…
nicolas bergmann
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