• How to Configure Site-to-Site IPsec VPN on Ubiquiti EdgeRouter

    Site-to-Site IPsec VPN on Ubiquiti EdgeRouter Network Topology Site A configure set vpn ipsec esp-group SiteA set vpn ipsec esp-group SiteA mode tunnel set vpn ipsec esp-group SiteA pfs enable set vpn ipsec esp-group SiteA proposal 1 set vpn ipsec esp-group SiteA proposal 1 encryption aes set vpn ipsec esp-group SiteA...


  • How to Configure L2TP/IPSEC VPN Server on Ubiquiti EdgeRouter

    IPSEC Configuration on Ubiquiti EdgeRouter Change eth0 to whatever external interface of the Ubiquiti edge router set vpn ipsec ipsec-interfaces interface eth0 set vpn ipsec auto-firewall-nat-exclude enable set vpn ipsec nat-networks allowed-network 0.0.0.0/0 L2TP Configuration on Ubiquiti edge router Configure L2TP to use local user authentication set vpn l2tp remote-access...


  • How to Configure Software RAID 1 on Untangle 11 (Wheezy)

    This instruction below is how to configure software RAID 1 on Untangle 11. After finished Untangle 11 installation follow the instruction below to complete  software RAID configuration. Install mdadm Backup reposiroty configuration cp /etc/apt/sources.list /etc/apt/sources.list.bk Edit repository vi /etc/apt/sources.list Uncomment lines below deb http://ftp.debian.org/debian wheezy main contrib non-free deb http://security.debian.org...


  • Cisco ASA firmware upgrade with zero downtime

    Here is my short instruction to perform Cisco ASA firmware upgrade with zero downtime. Backup and Download Fist we need to backup configuration and loads new firmware/ASDM(Device Manager) to ASA devices. Primary ASA Firewall Backup current configuration on fw-primary. fw-primary# copy running-config flash:/backup-config.txt Backup configuration to your computer via TFTP. fw-primary# copy...


  • How to Change Kali Linux Repositories

    This is how to change Kali Linux Repositories to fix slow repositories on Kali Linux. You can find fastest Kali Linux Repositories depending  on your location at http://http.kali.org/README.mirrorlist Backup the original kali repositories configuration cp /etc/apt/sources.list /etc/apt/sources.list~ Edit sources.list as following. vi /etc/apt/sources.list ## Kali Regular repositories deb http://repo.kali.org/kali kali main non-free contrib...