All Questions
19
questions
0
votes
0
answers
7
views
How does dynamic routing stack up against multipathing/bonding techniques for a remote gateway?
I have a remote gateway to which I connect using two IKEv2 VTIs, OpenVPN, Wireshark, or a combination of these in /30 tunnels. Then create an ECMP route using OSPF (FRR) and the rest is like magic. I ...
- 311
1
vote
0
answers
39
views
Route through ppp0? [duplicate]
read carefully pls..
im connecting to another local network IN (overWAN) using q vpn (openfortivpn) to access that local network.
i can ping the local hosts on that network.. i can scan em with nmap ...
- 19
0
votes
1
answer
1k
views
Route all traffic from one interface (default gateway) through OpenVPN / tun0 - policy based routing, dependent on source address/interface
I have a Debian Linux VPN router myvpnserver with 2 interfaces, eno1 and eno2:
eno1 is connected to a LAN and an internet router. On this interface with static IP address, myvpnserver has its default ...
- 135
1
vote
1
answer
817
views
GRE IP to virtual machine (Proxmox) - Traceroute showing full route
88.198.49.xxx = Hetzner (will run virtual machines on this)
141.94.176.xxx = OVH (contains block below)
164.132.xxx.0/28 = IP block to use on Hetzner as virtual machines
To get GRE set up I ran the ...
- 3,033
3
votes
1
answer
479
views
Explain routing decision
On my linux server, I have the following routing table:
$ ip ro
default via 172.28.127.254 dev wlp0s20f3 proto dhcp metric 600
10.8.3.0/24 dev tun0 proto kernel scope link src 10.8.3.2
169.254.0.0/...
- 33
1
vote
2
answers
4k
views
What is the difference between '0.0.0.0/1' and 'default'?
Crew, please take a look at the routing table below. Incoming ping requests from 172.17.4.x are accepted on dev ens160 and answered via dev tun0.
What is the difference between '0.0.0.0/1' and '...
- 11
1
vote
0
answers
42
views
Provide a missing network via tunnel to a gateway having access to that network
I'm very new to tunneling, so I may either misunderstand the concepts, or I made some beginner's mistake:
Trying to add new SLES15 hosts to an existing infrastructure I tried to provide a connection ...
- 1,493
2
votes
1
answer
1k
views
OpenVPN or IPtables for split tunnel control?
I have been plugging away but not luck, but from what I understand what I am trying to split tunnel. I have a VPN in place (and working) where all traffic from my LAN heads out to the internet via ...
- 41
1
vote
2
answers
3k
views
Add default route without gateway nmcli
I'm trying to configure NetworkManager to perform the following action for an interface
ip route add ::/0 dev he-ipv6
he-ipv6 is a point-to-point ipv4 sit mode tunnel and running the above command ...
- 253
1
vote
0
answers
742
views
Trying to "reverse proxy" requests to a VPS IP to an internal server over OpenVPN, how to do the routing tables automatically?
Brief description
I've got two systems, a VPS which is connected directly to the internet, and a system in my basement behind my router (NAT). I'd like to take the VPS and forward all requests on one ...
- 11
3
votes
0
answers
1k
views
Why could policy routing on iptables marks applied in FORWARD or OUTPUT chains be inconsistent?
I am routing HTTPS connections down a SSH tunnel (-w) using iptables marks and iproute2 rules, the reasons I need to do it this way are contrived, to say the least, so most alternate solutions may not ...
- 592
0
votes
1
answer
822
views
Redirect traffic through the server
My task is to redirect traffic (port range) through the server. Here is the schema:
Why NAT is not appropriate here: If NAT is set to "Tunnel Server", then all users will be assigned the same IP.
...
- 101
1
vote
1
answer
100
views
Access network of PC2 from virtualbox installed on PC1
I am going to attend one seminar where I need to bring laptop with installed Virtualbox and Windows 7 running inside it. My laptop is too old to handle Virtualbox with Windows 7 and native Linux ...
- 785
3
votes
1
answer
6k
views
Forwarding packets from loopback interface with policy-based routing
I have the following iptables rule:
iptables -t mangle -A PREROUTING -p udp -m udp --dport 10000 -j MARK --set-xmark 0x4/0xffffffff
which sets fwmark 4 on all udp packets with destination port 10000....
- 708
1
vote
0
answers
974
views
Packets sent through TUN interface not routed
I have a C program attached to a TUN interface. In this program, I'm building packets and writing them to the interface.
Now to check if packets are really sent from my TUN interface, I use iptables ...
- 305