Fortigate: Web Filtering is “Unreachable”

Came across this problem that I am unable to use "Web  Filtering" feature on my Fortigate 200B on Firmware 5.2.11 Web Filter error shows the following error before you can create a profile. Licensing information on Fortigate Portal shows I am licensed to use Web Filtering, but on my local firewall error shows "Unreachable" Things … Continue reading Fortigate: Web Filtering is “Unreachable”

UniFi: Run the Controller as a Windows service

Here is a useful guide from Ubiquiti with regards to running the Controller service as a Windows Service. This is essential when running a centralized controller for your APs and to make sure you contoller would run automatically after a restart rather than enabling it to run maunally.   Originally posted at: https://help.ubnt.com/hc/en-us/articles/205144550-UniFi-Run-the-Controller-as-a-Windows-service Readers will learn … Continue reading UniFi: Run the Controller as a Windows service

Fortigate: How to allow (or deny) wildcard FQDN (Domains) in Policy

The answer is No. It won't work. As we all know, Wildcard FQDN firewall address should not be used in a firewall policy (Full details here). Simple explanation is that because the Firewall wont be able to query on to *.example.com when it tests the policy. There, however is a workaround. Use WEB-POLICY. In my … Continue reading Fortigate: How to allow (or deny) wildcard FQDN (Domains) in Policy

Cisco Meraki: How to set a wireless network to 2.4Ghz only?

In some challenging wireless environments, specifically those where you do not have 100% coverage, and especially those with a lot of concrete, leaded glass and other RF challenges – 5Ghz can be problematic.  Some devices just love to hold on to 5Ghz connections even if the 2.4Ghz signal is better. On your Meraki dashboard, it … Continue reading Cisco Meraki: How to set a wireless network to 2.4Ghz only?

Tricks: How to debug a specific IPSec VPN Tunnel on Cisco.

Let’s say you’ve got a router with well over 100 IPSec VPN peers, and you’ve got this one tunnel that just won’t form correctly. Your not sure why and want nothing more than to debug the IPSec process for this one peer but you know if you debug the isakmp or ipsec process your going … Continue reading Tricks: How to debug a specific IPSec VPN Tunnel on Cisco.

IOS 11 Tip. “Turning Off” your Bluetooth or WiFi from Control Panel doesnt really turns it OFF

BAD NEWS: In IOS 11, turning off BLUETOOTH and WIFI doesnt really turn it off in the background. It just disconnects you from your connected bluetooth peers (or wireless networks)   The GOOD NEWS is, there is still away to totally TURN OFF your Bluetooth (and WIFI) to save power. You can do this from … Continue reading IOS 11 Tip. “Turning Off” your Bluetooth or WiFi from Control Panel doesnt really turns it OFF

How to Clear IPSec VPN Remote Peer on Cisco IOS

The following command clears the crypto sessions for a remote IKE peer. You can use context sensitive help ?to find other options. This command will also reset encap/decap counters on the show crytpo ipsec sa peer <PEER_IP_ADDRESS>  output Syntax clear crypto session remote IP_ADDRESS Example: clear crypto session remote 1.1.1.1

Useful Cisco Site-to-Site VPN Phase 1 and 2 Status Troubleshooting Commands

One way is to display it with the specific peer ip. Check Phase 1 Tunnel ASA#show crypto isakmp sa detail | b [peer IP add] Check Phase 2 Tunnel ASA#show crypto ipsec sa peer [peer IP add] Display the PSK ASA#more system:running-config | b tunnel-group [peer IP add] Display Uptime, etc. ASA#sh vpn-sessiondb detail l2l … Continue reading Useful Cisco Site-to-Site VPN Phase 1 and 2 Status Troubleshooting Commands

Tricks: Unable to access Sonicwall Management Portal? ERR_SSL_VERSION_OR_CIPHER_MISMATCH

Most modern web browser no longer support RC4 encrytion as it is officially declared unsecured by IETF memo RFC7465 published on February 2015. Thus if RC4-Only encryption is enabled in SonicOS, it would block access to the Firewall Management Portal and will display "err_ssl_version_or_cipher_mismatch" error on the browser. Google Chrome and Firefox were among the first ones … Continue reading Tricks: Unable to access Sonicwall Management Portal? ERR_SSL_VERSION_OR_CIPHER_MISMATCH

DNS resolution over IPsec/SSL VPN on Fortigate

Description This article provides basic troubleshooting to follow when you are not able to access hostname over IPSec VPN tunnel or SSLVPN connection Solution   If you are not able to access resources across VPN tunnel by hostname, check following steps: (1)  Make sure to set DNS server properly when configuring SSL or IPsec VPN.  … Continue reading DNS resolution over IPsec/SSL VPN on Fortigate