Commands to enable debug logs for troubleshooting IPSec VPN Tunnel in FortiGate
43Useful commands to enable debug logging to console to troubleshoot Site to Site VPN issue in FortiGate firewall
CentOS Linux Useful Commands
46CentOS Linux Useful Commands
Disable IPv6 in Linux
47Try using wireshark to analyse your network traffic, you will be surprised to see many IPv6 traffic that you are not expecting in your IPv4 based network. These IPv6 packets are actually consuming your server and network resources for no use. This article explains how to disable IPv6 in the network interface cards of Linux/CentOS servers.
Solved – Internet access issue after using airmon-ng
37Issue “airmon-ng stop wlan0mon” command to stop monitoring mode and restart network manager service inorder to restore internet connection after using airmon-ng
Configure NTP on Cisco
82This article explains you in detail about NTP configuration on Cisco devices. There are two ways to configure. First I explain about simple NTP configuration without authentication. Second, I explain about NTP configuration with MD5 authentication that is more secure than first one.
FortiGate CLI Commands for Troubleshooting
356FortiGate CLI commands for basic configuration and troubleshooting of fortigate appliance.
Fix poor font rendering in Chome in Windows
163Chrome browser is not rendering the fonts properly and it is resolved by disabling “Use hardware acceleration when available” settings.
Cisco Switch is not prompting for enable password
181If you experience something like your Cisco Switch or Router is not prompting for enable password and directly logs into privilege mode then you have configured “privilege level 15” for the user account.
BIG-IP F5 with Symantec Enterprise Vault
310Our customer was performing Exchange 2010 to 2016 migration along with Enterprise Vault upgrade. And I was asked to migrate from TMG to F5. I use F5 iapp f5.microsoft_exchange_2016.v1.0.2 to configure Exchange 2016 co-existence with Exchange 2010 and SSL profile is enabled at both client and server end in Virtual ..
Configure DynDNS Dynamic DNS in Cisco Router
404This article shows you how to configure DDNS on Cisco Router that receives dynamic Public IP address from Internet provider. After setting this up, your router can be accessed from anywhere via Domain Name.