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Questions tagged [tunnel]

226 questions
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openvpn tunnel- tunnel is up but issues with routing

I am having trouble with a site to site tunnel. Both routers are centos based routers. Router A is the server, and router B is the client. The VPN tunnel is established. From router B, I can ping anything on the network of router A. From router A…
Lock
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Difference between site-to-site and client-to-site configuration on openVPN server

I am trying to setup a site to site VPN tunnel using openVPN. The server currently is setup to accept client to site connections. When configuring a site to site tunnel (as opposed to the client to site that is currently setup), is there something…
Lock
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Configure subversion to start SSH tunnel automatically for HTTP-only SVN server

We have an SVN server accessible with HTTP (and only HTTP) running on a firewalled port on our development system: dev $ svn checkout http://localhost:1234/proj/trunk On my workstation, I created a tunnel in my ssh configuration so that I can…
jon
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Connection refused in ssh tunnel to apache forward proxy setup

I am trying to setup a private forward proxy in a small server. I mean to use it during a conference to tunnel my internet access through an ssh tunnel to the proxy server. So I created a virtual host inside apache-2.2 running the proxy, the…
arkascha
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why ping6 fails if tcpdump shows ICMP6 request/reply traffic?

I'm having a very strange problem with IPv6 pings on OpenWRT (fon-ng firmware with IPv6 enabled) and hoping someone can help with investigation. In short - wpan0 interface with address aaaa::1/64 is created. ping6 to a host behind this interface…
Maxim Osipov
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SSH Tunneling for Munin

I had at home an NAS and in the datacenter a Server. I make an SSH Tunnel with the following command: autossh -fN -M20404 -R 1337:localhost:22 user@server (from the nas to the server) Its working and I can access the NAS. Now, I want access the…
Dennis Wisnia
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Forward traffic server to another server with iptable and domain

I want to forward all traffic from server1 to server2 with domain same: sysctl net.ipv4.ip_forward=1 iptables -t nat -A PREROUTING -p tcp --dport 22 -j DNAT --to-destination IpServer1 iptables -t nat -A PREROUTING -j DNAT --to-destination…
Pinotech LTD
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How to setup tunnel/vxlan using "ip encap" for ipv6 on Linux?

Using light-weight tunnels allows the same (tunnel)device to be used for many destinations (among other things). For vxlan/ipv4 it works; ip link add vxlan4 type vxlan dstport 4789 dev eth1 ttl 4 external ip link set dev vxlan4 up ip route replace…
lgekman
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Connection to Apache server dont pass from openVPN tunnel

I working with two VMs in virtualbox. Both of them are in one Subnet 10.0.2.0. On first VM I run client.conf and on other VM run server.conf and startup Apache Server. OpenVPN tunnel established successfully. But I want to make all traffic in client…
Artin Kennedy
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How to forward all traffic from second device through openVPN tunnel?

I want to connect a new machine remotely to our company network, so it can access the active directory there. The old machine has access to the company network through an OpenVPN tunnel. When connecting through the tunnel, it gets a company internal…
Daniel Brown
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Block IPv6 on Tun0

I'm setting up a VPN tunnel for some services. I created a vpntunnel/vpntunnel user/group that is routed to the tun0 interface based on the group ID. That works quite fine. Commands below run as regular user: curl -4 ifconfig.io <= returns my public…
Axel
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Proxy/Route requests to subdomains to different local/wireguard IP addresses?

We have a virtual machine with a public IPv4 address, to which our example.com and *.example.com domain points. We have several distributed low-tech computers establishing a wireguard connection/tunnel with the publicly reachable virtual machine. We…
fooness
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Is there a way to reload new IPSEC certificates without restarting the service and interrupt existing tunnels?

I'm searching for a way to reload new IPSEC certificates without restarting the service and interrupt existing tunnel connections. As part of the activity, I'm replacing certificates (including intermediate ca) and keys. I tried to use ipsec…
Barti
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Is it possible to send traffic through the VPN tunnel to the VPN gateway itself?

I have a WAN interface X and a web server Y behind NAT, that is traffic to X:443 is being forwarded to Y:443. Web server is accessible from the internet without any problems. Then I have a site-to-site VPN connection where X happens to be a remote…
OGCJN
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How should I create an IPIP tunnel between 2 OpenVPN servers?

I have 2 CentOS 7 servers which both of them have OpenVPN installed on them . I want my clients on the first server to be able to connect to the OpenVPN server and then I want their network traffic to be sent to the second OpenVPN server and then…
Mr Pro
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