Questions tagged [vpn]
For questions about Virtual Private Networks (VPNs).
615
questions
-1
votes
0answers
4 views
DNS Settings in Adapter [closed]
What are these settings for? And what should one do with them if they're using a VPN and its DNS servers?
1
vote
1answer
46 views
Internal network inside an internal network
I have the task to integrate 4 PCs (1 server, 3 workers) into a local network (from a bigger organization). The admin of that network only allows me to integrate the server directly into the network (...
0
votes
0answers
17 views
RDP blocked over OpenVPN by one ISP only [closed]
I have a strange problem I have never encountered before. I have someone on a home network, with two accounts at two different ISPs (not connected concurrently). They have trouble connecting to an ...
-1
votes
0answers
11 views
Android VPN not adding routes (not working) [closed]
My client is using old Cisco VPN (not anyconnect). The one with pcf file, group presharedd key and user authentication. I can connect and use it using shrewsoft for Windows or Mac's built in VPN.
I ...
0
votes
0answers
13 views
Can PAP still be considered a secure protocol? [closed]
Okta RADIUS only supports PAP-based authentication, which OpenVPN Access Server supports. Can someone help me understand how this makes any amount of sense??? (both how Okta can justify implementing ...
0
votes
0answers
30 views
Duplicate and de-duplicate traffic over redundant links [closed]
I want to communicate between a device that has two LTE connections and a server that's reachable on the public Internet. Both the device and the server are Linux-based and fully under my control. Now ...
0
votes
0answers
8 views
StrongSwan cannot connect from the same subnet as StrongSwan machine [closed]
I'm trying to setup connectivity between the StrongSwan and GCP VPN, it work for most of cases, but got problem when the local machine on the same subnet as StrongSwan try to connect to right subnet
...
0
votes
1answer
18 views
Unifi Dream Machine Expose IPSec to L2TP
I'm trying to expose IPSec VPN connections to Remote L2TP VPN on a Unifi Dream Machine and Unifi Security Gateway, both running latest firmware and controller version (6.2.25).
We have two offices. ...
0
votes
1answer
33 views
VPN/IPsec router support in Packet Tracer
I would like to know, if a router doesn't support VPN (meaning it can't be used as a VPN server) can it still route an IPsec packet?
And which router I should use as a server for IPSec (AH tunnel mode)...
0
votes
0answers
38 views
IPsec IKEv2 tunnels won't come up on GNS3 [closed]
I have been through the process of setting up IPsec tunnels twice now and both times have failed. I am unsure what the issue is as following tutorials online, they claim everything should work.
I have ...
0
votes
0answers
34 views
Multiple Site-To-Site VPN
I'm trying to set a VPN that allows all site: site0-4 to communicate with each other. The site called otherSite should not be in the VPN.
Note that there's a NAT for site 0, 1 and 2 but site 3,4 only ...
1
vote
1answer
43 views
Site to site vpn setup
I am trying to set up a small network for my startup. We have 2 small servers at separate locations and would like to set up a vpn thorugh which the 2 servers can talk to each other and through which ...
1
vote
0answers
44 views
IKEv2 between Cisco router and Google cloud VPN
Hey I'm trying to create a tunnel between cisco router and google cloud vpn (client site) but the connection is stuck on stage 2 (UP-IDLE), need help where the problem may lie.
Some debug that I get ...
1
vote
1answer
44 views
WatchGuard Geo Location for restricting access to VPN and “Access Portal”
Problem
We want to use WatchGuard's Geo Location to restrict access to our "Access Portal" and "Mobile VPN" connections, but see no options and the corresponding "Firewall ...
1
vote
0answers
30 views
UNIFI USG GATEWAY IPSEC OVER L2TP VPN [closed]
At my office I have a Unifi USG Gateway that currently has 3 IPSEC VPN Tunnels (Lan-To-Lan VPN) configured. I also have a L2TP Remote VPN Network configured so that when I'm outside of my office I can ...
5
votes
1answer
24 views
what is significance of proxy id while configuring site to site vpn tunnel . why we should use proxy id and in which scenarios
i came know about proxy id configuration for first time. when iam troubleshooting site to site vpn tunnel configuration along with vendor . post configuring proxy id issue got resolved . But iam still ...
0
votes
2answers
27 views
Concurrent site-to-site VPN tunnels through dual ISPs (with 2 couples of Cisco ASA) between same devices
I currently have a simple site-to-site VPN setup, connecting machines from site 1 to site 2 through 1 ISP, using a set of ASA 5506X. All is good.
I'd like to "double" that setup for ...
0
votes
0answers
16 views
MPLS provider A L3VPN to MPLS provider B migration
i have a Datacenter infraestructure with a mpls of SP A, and i would like to migrate to another wan line of a different SP B. Mpls current circuit is providing L3 VPN service, one VPN per remote site. ...
1
vote
0answers
273 views
Cisco site-to-site VPN tunnel Failed to find a matching policy [closed]
I have PaloAlto (PA) and Cisco ASA 5585-X located on two different sites, trying to configure IPsec VPN tunnel.
[PA]-----------(internet)-----------[Cisco ASA]
If i ping from Cisco ASA side lan to PA ...
0
votes
1answer
55 views
How to connect to different VLANs through VPN
I have the following setup:
I have setup a Layer 3 Switch with multiple VLANs
Multiple devices are connected to it on different VLANs via untagged access ports
There is also a router connected to the ...
1
vote
1answer
60 views
VPN with Cisco virtual ASA on Azure not routing correctly
I've deployed a Cisco virtual ASA in Azure to use as a VPN server. For simplicity, I'm using just the management interface as the lan for the time being (10.2.0.4 is the interface). I want to use the ...
0
votes
1answer
17 views
VPN protected resource and accessible via authenicated API - design [closed]
let's imagine a simple system deployed on GCP. There is public, authenticated (token, IP whitelisting) API exposed by our system. There is a protected resource R (SQL database) that is accessible by ...
1
vote
0answers
26 views
Does modifying a ASA tunnel create a downtime?
I inherited a cisco ASA, I never really had to manage one before. But, I need to modify an existing tunnel to add IP addresses to both the local and remote traffic selector, specifically there are ...
3
votes
1answer
133 views
Can a server on the other end of a site-to-site vpn be exposed (NATd) to a public IP on an ASA
AWS DataCenter
----------- site-to-site VPN ------------
http server <=======================> Cisco ASA public address
10.0.1.59:443 ...
2
votes
0answers
34 views
Router on one side of a GRE tunnel not adding OSPF route through the tunnel whilst the router on the other side is
I have configured GRE tunnel between the Dublin and Carlow routers with the following commands:
//Carlow
int tunnel 0
ip address 172.16.12.1 255.255.255.252
tunnel source s0/0/0
tunnel destination 87....
0
votes
0answers
19 views
Why public VIF must be used in AWS Direct Connect + VPN setup?
I am unsure why public VIF must be used in AWS Direct Connect + VPN setup. Usually if you are connecting to Virtual Private Gateway you should use private VIF as shown in AWS Managed VPN
Diagram on ...
0
votes
2answers
30 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'...
0
votes
1answer
72 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 ...
2
votes
1answer
56 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 ...
0
votes
0answers
19 views
0
votes
1answer
19 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 ...
0
votes
0answers
83 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 ...
0
votes
0answers
30 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 ...
0
votes
0answers
37 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 ...
0
votes
1answer
36 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 ...
1
vote
1answer
47 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 ...
1
vote
1answer
43 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 ...
1
vote
0answers
26 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 ...
0
votes
1answer
45 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
...
0
votes
1answer
53 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 ...
0
votes
0answers
50 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 ...
2
votes
1answer
56 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 ...
0
votes
1answer
55 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 ...
0
votes
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 ...
2
votes
0answers
24 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 .
2
votes
1answer
125 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
1
vote
1answer
108 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 ...
0
votes
0answers
15 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?...
1
vote
3answers
121 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
0
votes
1answer
25 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 ...
