All Questions
9
questions
1
vote
1
answer
5k
views
Route all traffic through TUN interface
I want all my traffic go through TUN interface.
Here is the flowchart
So, as you can see, the traffic is routed to TUN iface on 10.0.0.1 address from every program. Then, the program attached to the ...
1
vote
1
answer
286
views
Route IP Packets with Same Source and Dest IP
I am hand-crafting ethernet packets using socket(AF_PACKET, SOCK_RAW, htons(ETH_P_IP)), and have successfully sent UDP packets from my PC to my router this way. Using tcpdump on both ends, I can see ...
- 293
1
vote
0
answers
966
views
Route all traffic from VPS to my home network
I have a VPS with a static public IP, and I also have a home network with a static public IP.
I want to somehow make it so that if the VPS's static IP receives traffic on a certain port, it routes/...
- 353
0
votes
0
answers
2k
views
How to reroute traffic form one IP to another while keeping the IP?
I currently have the following iptables rules in order to redirect traffic from b.b.b.b to a.a.a.a:
-A PREROUTING -p tcp -m tcp --dport 25566 -j DNAT --to-destination a.a.a.a:25566
-A POSTROUTING -d ...
- 473
0
votes
3
answers
12k
views
Can a Linux machine have two the same IP addresses on different interfaces/networks?
Is it possible to have two the same IP addresses and subnets assigned from two different interfaces/networks?
How would such machine behave? How would route table look like?
1
vote
0
answers
90
views
IP rule table look up does not seem to work
I have a sytem with three network interfaces. Below is the configuration that I'm trying to set up. wlan0 (its actually an WiFi AP interface) - other devices connects via this interface. net1 - ...
- 11
1
vote
2
answers
4k
views
Why nic with incorrect subnet mask can still ping the gate way?
At first, my network config was like this:
$ ip a
2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 3c:97:0e:bd:b1:68 brd ff:ff:ff:ff:ff:ff
...
- 450
0
votes
1
answer
419
views
How to drop IP packets received on the default route interface when no other than default route is found?
I am setting up a router based on a linux kernel. As expected, ipv4 packets received on the interface used by default route are sent back to the same interface in case no other route is found.
Is ...
user2310383
1
vote
2
answers
12k
views
Setting up a Linux server with a public Static IP
I have setup a Ubuntu Linux server in an office. It should have a public IP so that outside users can access the internet. Currently, it is set with a public IP, but is it supposed to have a local ...
- 221