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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OpenVpn won't start after I add "client-connect/disconnect" lines to its config

On Arch linux I have OpenVpn server. It works well. However, when I add this to its config: script-security 2 duplicate-cn up /etc/openvpn/server/script1.sh client-connect /etc/server/openvpn/script1.sh client-disconnect…
Jodari
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OpenVPN : Unrecognized option or missing parameter(s) in client.ovpn:15: block-outside-dns

None of the methods on the net worked for me so I decided to ask. When I try to sudo openvpn --config client.ovpn I get the result of Wed Aug 2 22:53:18 2017 Unrecognized option or missing parameter(s) in client.ovpn:15: block-outside-dns…
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OpenWRT StrongSwan IPsec client connection (XAuth authentication of 'user' (myself) failed)

I am trying to configure my OpenWRT router to connect to a remote VPN server. The credentials that I have are correct, but for some reason the connection is failing to authenticate on the router. Here are my configs /etc/ipsec.conf conn l2tpconn …
Max00355
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How to forward ports for azure virtual network gateway?

I have created Point to site vpn using azure virtual network. Right now I have 2 vms in vnet (with subnet ip's 10.x.x.x) 1 local machine connected to vnet with point to site vpn (ip 172.x.x.x) I can rdp vm's from local machine using 10.x.x.x and…
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Slow VPN performance - TCP Issue?

I am having issues with the performance of a VPN, it is just one VPN in particular and I have captured the following PCAP from the server in question. My understanding is that the "Ack" field should be the "Seq" number of the packet it is…
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Implement AD and Group policies over VPN

We have multiple sites with each site having 5 to 10 systems. All sites are connected to HQ through VPN configured on firewall. (Each site has their own firewall) What I want is to connect remote location systems to AD and impose group policies on…
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Windows Server 2012 SSTP stops listening to port 443, how do I resume listening without a server restart?

I have a Windows 2012 R2 Standard Server setup with an SSTP VPN that is working for the most part. I have been able to connect to this VPN from an external computer and use everything properly. The issue comes in when the server stops listening on…
test
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Unison: should I use a remote shell (ssh) or VPN tunnel?

We have 2 office locations. Each LAN is connected via a site-to-site OpenVPN tunnel. Office1 has an Ubuntu Server; samba file shares; OpenSSH server; Unison File Synchronizer. Office2 has a Win Server 2012R2; replicated copies of the same file…
dan
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VPN gateway not produce traffic

I mounted a VPN Gateway to connect using IPsec with other VM using internet. In my case Im using Debian in the other side, and seems how connect using strongswan. My surprise is checking logs of traffic, because there is no traffic data in azure…
deconya
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Alternative to NETMAP option on iptables config

I need to nat an entire subnet from one range to another when connecting to openvpn server(Qnap nas). I found a way that works using iptables netmap. iptables -t nat -A PREROUTING -d 10.8.0.0/24 -j NETMAP --to 192.168.1.0/24 The problem is that…
Abraham
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Connect multiple VPC to one VPN connection

I have set up one VPN connection which is connected to a VPC and an on-premise network, now I'm going to have multiple VPC which should have connection to that VPN (the on-premise network). I can not use one VPN per VPC. So I have to connect…
Matrix
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Clients can no longer connect to the internet when on our VPN

I set up Routing and Remote Access the other day and when I connect to the server remotely, I am no longer able to connect to anything on the internet. I can only connect to resources on the remote network. I assumed that my client uses a new…
Oliver Salzburg
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Shorewall multiple outgoing IPs allocation

I have perfectly working VPN server with Shorewall installed. I got more IPs for the main eth0 interface so the server accepts the VPN connection from any of x.x.x.x/25 public IPs. But, the issue is that every connection (from any IP) gets one…
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Is it possible to translate a public IP to private IP using iptables?

I a bunch of hosts in the cloud with private and public IPs. Until now, I could access all the hosts publicly and any way I want. Now, I want to disable some access to all of these hosts from the outside and set up a VPN. I have created a VPN server…
Gasim
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TLS keys out of sync? Why does my VPN connection timeout after exactly an hour?

The setup is quite simple. For my home server I use: A server with Pfsense 2.3.4-RELEASE (latest) as OS / firewall An OpenVPN setup (the integrated Pfsense version) as TCP tun (additionally in an useless attempt to solve the issue I added reneg-sec…
Bob Ortiz
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