Create IPSec Site to Site VPN Between Palo Alto and Fortigate Firewalls
This post is to record all steps to configure a ipsec site to site IPSec VPN tunnel between Palo Alto Firewall and Fortigate Firewall,
Azure Point-to-Site VPN Configuration (Using Certs or AD Authentication)
A Point-to-Site (P2S) VPN gateway helps in the creation of a secure connection to Azure Virtual Network from a Remote Location. Point-to-Site VPN connections are useful when we have fewer…
Use Cloudflare Argo Tunnel to Expose Internal Web Application to Internet
It is a great tool if you need to expose your internal web application to Internet. Fast, easy, and most important, it is free. Here is the Announcement from Cloudflare…
How to Solve SSL VPN and Web Firewall Issues
VPN systems are classified as virtual private networks that do not need a physical connection, allowing users to directly connect and access the device on private networks. Security agencies such…
Create VPN Tunnel Between CheckPoint FIrewall and WatchGuard FireBox Firewall
This post describes how to configure a Branch Office VPN (BOVPN) between WatchGuard Firebox on Prem and a Check Point device at my home which is behind my home router.…
Install Mac OSX AnyConnect Package on Cisco Router and on Mac Machine
Symptoms: One of my clients reported a Cisco AnyConnect issue. It only happened to his machine and later we found that is because he is using Mac machine. His credential…
Expose your local service to public: Ngrok, FRP, localtunnel
For many IT workers remotely involved with networking, it is quite common to need to expose your Intranet application to the outside world in a secured manner. Unfortunately, we work…
CISCO ASA VPN Tips and Tricks
1. Clear VPN Configuration： clear configure crypto map VPN_AAAA 2. Debug and show commands: Enable logging: ciscoasa#terminal monitor ciscoasa(config)# logging buffer-size 1048576 ciscoasa(config)# logging buffered 7 ciscoasa(config)# logging monitor 7…
Cisco Router IKEv2 IPSec VPN Configuration
What is Differences between IKEv1 and IKE v2? 1. Different negotiation processes − IKEv1 IKEv1 SA negotiation consists of two phases. IKEv1 phase 1 negotiation aims to establish the IKE…
Troubleshooting Cisco IPSec Site to Site VPN – “QM Rejected”
There was a VPN issue to troubleshoot recently. It was between Juniper SRX and Cisco Router. It seems straightforward but it took quite a long time to troubleshoot because of…
Renew Cisco IOS IPSec VPN Certificates from Symantec
I am not sure if there is other better way to do it. There is no good documentation from Cisco or somewhere else regarding how you should do on renewing…
Cisco IOS Router Configuration: IPSec over GRE or GRE over IPSec(1)
IPSec over GRE means Outer Header is GRE. In other words, IPSec is riding over GRE. Please refer: Chapter: Point-to-Point GRE over IPSec Design and Implementation IPSEC over GRE Tunnel…
