All Questions
Tagged with iptables forwarding
50
questions
2
votes
1
answer
5k
views
Setting IP forwarding with a bridge
I'm familiar with how to set IP forwarding between two interfaces, and it always worked.
Now I have a different scenario where I want to set IP forwarding from a local network bridge to an output ...
- 155
0
votes
1
answer
71
views
forward outgoing port and sourcenat this traffic
I have crawled the internet, and tried some config, but so far, i am stucked, so i would need a little help if someone has a better experience than me on this. :)
I got a server,server1, behind a ...
- 1
0
votes
0
answers
156
views
How can I forward my http/https request to 2 different upstream proxies based in the destilanation url?
Hi I am quite struggling to find a good solution to my problem. I have to forward http/https requests from my (Linux) server to 2 different proxy based on the destination URL.
I've tried different ...
- 286
1
vote
0
answers
194
views
Port forwarding in host only network with iptables
I have two machines in a host-only network. One is a client and the other one is a webserver.
I want to forward all HTTP traffic from client to web server over a proxy on port 8080.
I tried it with:
...
- 13
1
vote
1
answer
568
views
Socks Proxy Connection Iptables Settings
i hope someone could help me because i can't get any further:
I have the follwing Setup:
System 1: PC Windows (192.168.240.2)
System 2: PC Ubuntu (192.168.240.3)
On the Ubuntu System i opened a ssh ...
- 15
2
votes
1
answer
2k
views
Routing traffic from LAN to WAN
Preamble
We have a test setup where several components are connected to their own network. This network has the the following address: 172.25.1.0/24. Most, if not all, of the components have static IP ...
- 212
1
vote
1
answer
572
views
iptables - allow forward rules by set
I'm building a captive portal (yeah, just-another ;) )
and now I'm trying to handle the core feature, the iptables rules.
Based on ipset I have a list of valid mac-addresses with name allow-mac.
So ...
- 113
0
votes
0
answers
71
views
iptables: forward packet to another network
I have two machines on 2 different networks which are interconnected.
First network:
10.0.0.0/24
Second network:
10.0.1.0/24
The first network is running an OpenVPN under 10.0.0.10 with ...
- 233
1
vote
0
answers
180
views
How do I restore internet access to my devices with the iptables service running and ip forwarding enabled?
I use my laptop's hotspot with Ubuntu Linux for internet on my phone and entertainment devices.
When I install the Linux Firewall iptables (ip forwarding enabled) by inputting in terminal:
sudo apt-...
- 31
1
vote
1
answer
3k
views
Forwarding port to remote server?
How can I forward a local port to a remote host/port?
I have tried using:
sudo iptables -t nat -A PREROUTING -p tcp --dport <PORT> -j DNAT --to-destination <DESTINATION_SERVER>:<...
- 11
0
votes
0
answers
99
views
Something is modifying my iptable, can it be traced?
I've got the following command in my iptable: -A FORWARD -o enp0s3 -j ACCEPT
That somebody doesn't like, because after 2 reboots, it's gone from the iptable...
I've got iptables-persistent
installed, ...
- 15
2
votes
1
answer
761
views
Linux source routing with nexthop pointing toward Docker
I have a similar question linked over to ServerFault, but after further working on the problem, I believe I've refined the problem to a Linux route table question.
Background:
AWS released their ...
- 121
-1
votes
1
answer
792
views
iptables - use different outgoing IP if destination is certain domain
I have a VM that has two IPs. Let's say 1.2.3.4 and 4.3.2.1.
If i do "ip a", it shows me 1.2.3.4 as first one and 4.3.2.1 as second:
2: venet0: <BROADCAST,POINTOPOINT,NOARP,UP,LOWER_UP>...
- 23
0
votes
0
answers
42
views
Route traffic from interface to real router
I'm trying to capture packets sent from my phone using my raspberry pi, basically a MITM kind of thing.
I have changed my phone's wireless settings to use the raspberry pi's ip address as the router ...
- 1
1
vote
1
answer
1k
views
Traffic Forwarding To Server With iptables
I have a server (10.10.0.100) on the same subnet (10.10.0.0/24) with all the rest of the hosts. I would like that server to received a full copy of all traffic (Windows and Linux machines) on it's ...
- 13