My Network Security Journal

Sharing my learning and personal experience in IT Network Security.

Saturday, January 3, 2015

Configuring SNMP on Cisco ASA Firewall

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I was populating ASA firewalls to our new Network Management System (NMS), which is Solarwinds Orion. First, I need to enable and allow SNM...
Saturday, October 11, 2014

ASA 5525-X Reload and VPN Software Bug

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I was recently configuring and troubleshooting an IPsec Site-to-Site (IKEv1) VPN between our newly installed ASA 5525-X (my third ASA for t...
Saturday, August 23, 2014

IKEv2 IPsec Site-to-Site VPNs

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IKEv2 has streamlined the original IKEv1 packet exchanges during Phase 1 and Phase 2 operation (Main mode, Aggressive mode, and Quick mode)...
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John Lloyd Lagura
I'm John Lloyd Lagura, a passionate Network Engineer, tech blogger and a lifelong learner. I specialize in routing, switching, security, wireless and cloud technologies. I currently hold CompTIA Network+, Security+, ITIL Foundation, Cisco CCNP Security, CCNP Enterprise, CCNA Cyber Ops, Juniper JNCIA-Junos, JNCIA-SEC, JNCIA-Design, Fortinet Network Security Professional (NSE4).
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