Questions tagged [vpn]

VPN is the acronym for Virtual Private Network - a network type that uses a the Internet to provide remote networks or single machines with secure access to their organization's network avoiding expensive leased lines.

A VPN is a private network that uses a public network to connect remote sites or users. VPN use virtual connections routed through the Internet from the company's private network to the remote user or secondary site.

VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.

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How to integrate a remote VM server with all VMs to on-site LAN

I have two sites: 1. the "local" site with client machines only and 2. the "remote" site with one VM server (ubuntu) hosting a number of VMs (ubuntu / windows). Currently I'm connecting to those VMs using SSH tunnelling, but this is tedious (lots of…
velis
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OpenVPN client with static NAT

I have a an OpenVPN server installed on a Debian9 server on a VPS. I am able to connect and everything is routed through the tunnel. What I would like to do is to have all ports, or at least the ability to specify port ranges to be forwarded back…
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Debug connectivity between two networks

There are two networks connected by a VPN over the internet of seldom Zywall firewalls. A week ago, the VPN connection failed and hasn't been able to establish it since. The networks now can't see each other, they can't even ping/ssh their public…
quimnuss
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Direct Access on Server 2k8 R2 Core

Is it possible to install Direct Access on a Server Core instance? I've tried looking through oclist and dism but to no avail. Using a GUI instance just for DA would be a waste of resources IMHO...
DeeJay1
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AWS VPN: Can't ping customer side with EC2 instance

I have an AWS VPN set up, with the tunnel status "UP". However, I am not able to ping anything on my customer's side, and they are not able to ping my EC2 instance. Customer side has internal IPs that I need to connect to: 192.168.yy.yy1,…
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systemctl start openvpn@vpn.example.com launches openvpn in 2 processes

Why running systemctl start openvpn@vpn.example.com starts openvpn with 2 different processeS? nobody 3971 0.0 0.0 54756 6828 ? Ss 14:52 0:00 /usr/sbin/openvpn --daemon ovpn-vpn.example.com --status…
peris
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Iptables block access to IP for VPN clients

I want to block access to certain websites/IP's for all clients connected to VPN (pptpd or OpenVPN). This rule: iptables -A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -d IP_address -j REJECT is working only locally. Server (ping test) can't…
Jakub Wolski
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Strongswan several left subnets with IKEv1

We are in process of replacing a Microsoft TMG server with a CentOS server. For VPN we decided to use strongswan due to instabilities with libreswan. But, strongswan has some weird issues with several subnets on either side. The current (libreswan)…
Vesper
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How to configure strongswan (IPsec) to forward traffic only for specific subnet?

I need to forward traffic from clients to a VPN server only for specific subnet i.e. 10.10.10.0/24 For example, if clients send requests to 123.123.123.123 then they will use their own Internet. If clients send requests to 10.10.10.123 then they…
Oleksandr
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Can OpenVPN client talk to Array Networks server?

Our hosting provider (an IBM-owned one) provides two VPN-options: Java embedded in browser: Windows, MacOS, Linux GUI-client -- MotionPro: Windows, MacOS, Linux Neither option works for a FreeBSD-user... Simply pointing OpenVPN client at one of…
Mikhail T.
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Block all non VPN traffic

I’ll shortly be traveling to a country with less lenient laws regarding free speech. I have a Windows 10 machine. I want to block this machines possibility to communicate on all interfaces except over a VPN tunnel (there is a network port and…
JensB
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VPN to Shared VPC in GCP incorrect BGP routes being chosen as best

We have route based VPN tunnels going from a pair of Cisco routers at each of two sites (4 total routers), to two different VPN Gateways in the same shared VPC (XPN). Sharing routes through BGP, to a single Cloud Router. The two sites on our side…
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ASA firewall, Cisco AnyConnect VPN on Linux - fails with "AnyConnect package unavailable or corrupted"

AnyConnect works fine with Windows XP. On Ubuntu Linux 9.10 32 bit, I downloaded anyconnect-linux-2.4.0202-k9.tar.gz, installed it, and tried to connect to the same ASA firewall. It failed with: >> state: Connecting >> notice: Establishing VPN…
Florin Andrei
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How to forward router web interface through VPN

I'm accessing a remote Ubuntu Server using SSH over a VPN. Now I would like to configure the remote server. I tried to forward incoming traffic on port 80 of my tunnel to the router address but it's not working: sudo iptables -A FORWARD -i tun0 -o…
JPelletier
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After VPN into work network - get error on many sites “NET::ERR_CERT_AUTHORITY_INVALID”

After VPNing into a work network, I can no longer access many sites that use https such as StackOverflow, Slack, Workflowy, many more. I get this message: Your connection is not private Attackers might be trying to steal your information from…
Sylvia
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