Questions tagged [vpn]

For questions about Virtual Private Networks (VPNs).

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13 views

How to set up an Ethernet bridged VPN Server on a VPS which only has public IP? [closed]

I am trying to set up an ethernet-bridged OpenVPN server. I also was able to setup an OpenVPN server in "routed" mode with a VPS. Now I want to setup my OpenVPN Server in "bridged" ...
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6 views

Access Synology Moments over Synology VPN [closed]

I have a synology disk station and it's hosting their moments photo backup application. I'm trying to access Synology Moments remotely via a VPN. The disk station can host a VPN, so I set up an L2TP ...
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11 views

hiding ip FROM vpn servers [closed]

VPNs can often be useful for obscuring personably identifying information (IP, geolocation, etc.) from remote destination servers. Traffic is routed through a VPN server and forwarded to the ...
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0answers
10 views

VPN-connection semi-drops when initiating Skype for Business call [closed]

I have a weird network issues, and I'm looking for any help as to how I can troubleshoot the issue. I have basic knowledge about networking, but not enough to have any clue about how to troubleshoot ...
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2answers
27 views

Is connecting via 2 VPNs secure

I know there are VPN services like Speedify that you can connect to with 2 internet connections wired and wifi to combine them on their servers to get a faster connection and then connect to what you'...
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1answer
59 views

Cisco IPsec VPN tunnel problem

I have a problem with VPN configuration. This is the topology I created: First updated licenses to make the VPN available: license boot module c1900 technology-package securityk9 IPsec Router ...
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1answer
40 views

MPLS-BGP - VPN isolation - RFC 4364

In Section 6 of RFC-4364, it is stated that, if MPLS is being used as the tunneling technology (in the scope of forwarding VPN-IPV4 traffic from one PE to an other) , this means that a router in the ...
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0answers
24 views

Ubiquiti UDM possible for routing second SSID to L2TP-VPN [closed]

I'm new to Ubiquiti equpiment. Testing the UDM I'm trying to setup second SSID to tunnel all traffic on this second SSID through an L2TP-VPN setup on machines far away. Everything I've read so far ...
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12 views

OSPF in DMVPN phase 1,2 and 3

What difference in DMVPN Phase 1, 2 and Phase 3 if we use OSPF?
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1answer
17 views

What is a child tunnel? [closed]

I only heard this term today, but it was explained to me as a point-to-point VPN (so, two routers with a VPN tunnel established between them) and a firewall configured to only allow certain hosts to ...
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45 views

Users after login are redirected to the ASA AnyConnect download page rather than connecting to the VPN

Several users after logging in are redirected to the ASA AnyConnect download section instead of connecting to the VPN. We try to log in via Web or AnyConnect application by using SAML Identity ...
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21 views

Editing a crypto map with multiple entries

We're attempting to bring up an IPSEC tunnel with a Vendor. An engineer created the crypto map and wasnt able to establish a connection. I edited the entry to change the diffie-hillman group and the ...
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21 views

L2TP/IPSec on Cisco ISR G2 issues

I am using several ISR G2 routers (819, 2901, etc) configured as L2TP/IPSec VPN concentrators. With current configuration it works good, but there are two odd things about it. I used standard ...
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1answer
31 views

Easiest setup to replace jumpbox forwarding [closed]

In order to connect to some of machines, what I currently do is: Connect to VPN (using AnyConnect) SSH to my jumpbox via VPN For every single machine that I want to access using ssh, I have to map ...
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1answer
41 views

Is a VPN just a proxy which encryts data to the vpn server?

I have trouble understanding the concept of a VPN in contrast to a proxy. Is it true, that the VPN just encrypts the data which is send from the client to the vpn server and "rest" behaves ...
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1answer
36 views

Site to site ASA Routing question

I am doing a lab about DMVPN and Site to Site ASA integration. There is no problem in the DMVPN. However I have problem in establishing route from Site to Site ASA to DMVPN. The router on the left is ...
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0answers
21 views

Windows L2TP VPN issues when accessing Site to Site VPN on Cisco 5506

We have two Site to Site VPNs and Remote Access VPN configured. Using the builtin IPsec client on OSX all subnets are accessible however when using L2TP built in client on Windows 10 ICMP traffic ...
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1answer
40 views

client <--> server <--> client VPN?

I have the following use case for which I need to figure out a VPN solution. 100+ remote locations Each remote location has several users that should be able to connect to only that remote location ...
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1answer
30 views

What is method to switch group-policy on a tunnel-group upon user login?

We have ASA units that have tunnel-groups that have a particular group-policy defined via default-group-policy statement. This initial group-policy ("NOACCESS") is one that prevents any ...
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18 views

Site to Site VPN between Cisco ASA and Aruba Virtual Gateway

We have hosted an Aruba Virtual Gateway on AWS. All the configurations are done as per the documentation of Aruba VPNC. Through AWS security policies, UDP 4500 is open on AWS side. We want to ...
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1answer
41 views

what is significance and role and function lifetime in IPSEC Site to Site VPN . Please explain importance and role of lifetime in VPN

I Came across incident where i need to troubleshoot IPSEC Site to Site connectivity issue . The term "lifetime" confuses me . please anyone explain me importance of lifetime in VPN . Whats ...
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1answer
32 views

What can I use to display VPN instance instead of stelnet?

How can ı connect VPN service with use ssh in Huawei Atn980c ? Which command? I researched but i didnt different command. I found only this command; stelnet x.x.x.x (VPN instance) (service name) (port ...
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0answers
33 views

What are difference between SSL VPN and IPSEC Site to Site VPN [duplicate]

I am little confused between SSL VPN and ipsec site to site VPN packet flow and authentication methods and moreover what are significant difference between two VPNs . As per my understanding IPSEC ...
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0answers
23 views

Please Explain me traffic flow between two peers for ipse site-site vpn traffic , detailed traffic flow please [closed]

please explain me the exact traffic flow between two peers or gateways for IPSEC Site-Site VPN .Like phase 1 ,phase 2 , actual data processing traffic flow .
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1answer
115 views

Confusion about Route based IPSEC site-site vpn and policy based IPSEC site-site VPN

I am confused about the major difference between a policy-based VPN and routed-based site-site Vpn
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1answer
66 views

Juniper QFX Site to Site VPN

Im trying to setup a site to site vpn between two Juniper QFX5110's. Each end of the link is on the same subnet (so directly connected switches over dark fibre). I have configured each physical ...
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10 views

How to select CIDR blocks when subdividing a network? [duplicate]

I saw these two questions, but they are still too over my head and start too far along the path: How to divide network into subnets? How do you calculate the prefix, network, subnet, and host numbers?...
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3answers
105 views

But confused about SSL VPN and IPsec Site -Site VPN

What might be difference between sslvpn and site-site vpn . Which one among two is secure and it's significance
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1answer
24 views

VPN operating on layer 3, internal routes are accessible, but how to use it as a 'stepping stone' server for external servers? [closed]

I'm not really sure what my problem/request is called, but this is my situation: I run an OpenVPN Access Server server. It's configured to operate on layer 3. The private subnet it can operate on is ...
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1answer
28 views

routing a network with 2 interfaces and vpns [closed]

I'm pretty inexperienced in network but here is the idea of what i want to do: I have 2 interfaces: Interface #1 = fast internet Interface #2 = stable internet with static ip address this is the ...
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2answers
42 views

How to build secure access for cloud machine in small startup [closed]

We have 7 member team (3 dev + 2 qa + 2 Sales). We host our PROD + QA + DEMO server in GCP. As of now, all our PROD/QA/DEMO/DEV/QA-DB/DEV-DB machine are having public IP, so that we can ssh into them. ...
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1answer
79 views

Why do hops before VPN server not reflect in traceroute?

I'm using a remote-site VPN (ProtoVPN). When I tracert to the IP address of the VPN server, the hops through my ISP and other intermediate hops before the VPN sever are shown. But when I tracert to ...
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1answer
44 views

Routing between two sites using FTTC Broadband and E-Band Wireless

I have two sites, both with 80/20 FTTC broadband connections that terminate at the standard white box BT modem. The connections both have fixed IP. I’d like to connect these up to each other and form ...
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2answers
36 views

Is it possible to completely mask an IP address to a point where no IP address can be detected yet an active connection is live?

I’ll keep it short and sweet; We all know to connect to internet you’ll need an address like 2001:x** or 192.x**. Using a vpn, while it does encrypt things and mask your IP, it still returns an IP. ...
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1answer
29 views

VPN Traffic Routing on Ubiquiti/Vyatta

I'm using Ubiquiti to route certain outgoing ip-ranges through a VPN. I would however like to route all HTTP/HTTPS traffic via the VPN except large downloads. I realize that this is a tall order, but ...
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1answer
261 views

Is it possible to setup IPsec behind NAT without port forwarding?

We want to setup a IPsec connection between customer sites and our office so we can manage the hardware we place at customer sites (e.g. barriers). Its important that the VPN connection stays up all ...
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0answers
14 views

Is it possible to gain VPN access through RDP [closed]

Scenario: I have been tasked to resolve an issue for a client's EmailReceiver program. I have the source code on my PC. I have been given RDP Access to a entry point machine, through which I can ...
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1answer
22 views

Whether PPTP Client need virtual interface to communicate with PPTP Server? [closed]

We know in PPTP VPN, the VPN Server is using a virtual Interface to provide encrypted data. Whether PPTP Client need virtual interface to communicate with PPTP Server? and more, if yes, whether ...
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1answer
405 views

Cisco anyconnect VPN router specific public IP via tunnel

I have fully functional cisco Anyconnect VPN running on Cisco ASA5585-X and today i got requirement that there are some remote public sites we need to whitelist our VPN public IP to access them over ...
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3answers
54 views

Do i need VLAN per customer when i want to give users (secure) access to specific customer sites

This question is a follow up on this question. We are currently working on the network design, nothing is implemented yet. Our network will exist out of our own (internal) network and lot of customer ...
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1answer
38 views

How to centrally manage customer site's and users that have access to customer site's

Background information: We have customers spread over the whole continent. We deliver and install hardware at the customers site and completely set up and configure the network for them. After the ...
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1answer
101 views

Problem with getting IKEv1 tunnel between Cisco and Palo Alto to establish a tunnel more quickly

I have a Cisco 2901 router that has an IKEv1 IPSec VPN with a Palo Alto firewall. We had a problem with our existing VPN setup where it takes a long time to get the tunnel to come back up when re-...
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0answers
132 views

TLS keys are out of sync

Why do we see this error: "TLS Error: local/remote TLS keys are out of sync" I am seeing this error during ssl VPN connection.
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1answer
87 views

Able to ping Domain internal address on home network, why? [closed]

I have a strange issue, I am able to ping my company's internal address (ex: hq.mycomapny.com) when I am on my Home network (WI-FI or Enthernet) and NOT connected to the VPN. When I do a ping on the ...
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1answer
89 views

Create IPSEC VPN between three Routers?

I'm attempt to build essentially an IPSEC tunnel mesh between three Cisco IOSv routers. I've been able to build an IPSEC tunnel between two directly connected routers but once I add the third router ...
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0answers
103 views

Hub and spoke IPSec in pfsense

I have 9 different sites and one HQ site where all 9 remote sites connect to via IPSec VPN. All are pfsense firewalls. I want to allow traffic between site 2, 3 and 4. But I do not want to configure ...
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1answer
41 views

Differences between BGP(routing protocols) and vpn mpls?

I am new to networking, so bear with me, 1-I wanted to clear my query: why do we need BGP or any routing protocols if we have vpn or wan technologies like mpls ? 2-Can't we just run bgp between two ...
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1answer
115 views

Static port forward 1194 to VPN server behind Cisco router

I'm trying to setup a VPN server behind a Cisco router which is my main internet gateway. I've set it up as shown in the attached picture. The problem I'm observing is that zero packets with a ...
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2answers
73 views

VPN routing issue with PulseSecure [closed]

I have a Windows PC (192.168.10.99) in the local network 192.168.10.0/24. Default gateway in this network (192.168.10.1) has a VPN connection to the remote network 10.8.0.0/16 (RN1) that can be ...
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0answers
198 views

Cisco Anyconnect SSL VPN users can't able to access URLs while using VPN connection

For One of the customers, users are working from home. They're using Cisco Anyconnect VPN. Now the issue is. While working from the office, they whitelisted the customer public IP address in the ...

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