johnb41

In this video, I discuss Subnetting Basics Reduced Network Traffic Optimized Network Performance Simplified Management Facilitated Spanning of Large Geographical Distances IP Subnet-Zero How to Create Subnets Subnet Masks Classless Inter-Domain Routing (CIDR) Subnetting Class C Addresses Subnetting a Class C Address

In this video, I discuss Physical Security and Authentication Models Authentication Authorization Something the user knows Something the user has Something the user does Something the user is Somewhere the user is Physical Security General Building and Server Room Security Door Access Biometric Readers False acceptance False rejection

In this video, I discuss IPv6 Addressing Why Do We Need IPv6? Benefits and Uses of IPv6 IPv6 Addressing and Expressions Shortened Expression Address Types Unicast Packets Global Unicast Addresses Link-Local Addresses Unique Local Addresses (RFC 4193) Multicast Anycast Summary

In this video, I discuss Class A Valid Host IDs Class B Addresses Class B Valid Host IDs Class C Addresses Class C Valid Host IDs Private IP Addresses (RFC 1918) IPv4 Address Types Loopback Layer 2 Broadcasts Broadcasts (Layer 3) Unicast Multicast Layer 2 Broadcasts Layer 3 Broadcasts Unicast Address Multicast Address

In this video, I discuss Subnetting Basics Reduced Network Traffic Optimized Network Performance Simplified Management Facilitated Spanning of Large Geographical Distances IP Subnet-Zero How to Create Subnets Subnet Masks Classless Inter-Domain Routing (CIDR) Subnetting Class C Addresses Subnetting a Class C Address

In this video, I discuss Unified Threat Management Chapter Summary

In this video, I discuss Authentication Models and Components Authentication Models Localized Authentication Technologies 802.1X and EAP Three components to an 802.1X connection Initialization Initiation Negotiation Authentication EAP authentication EAP-MD5 EAP-TLS EAP-TTLS EAP-FAST PEAP LDAP Kerberos and Mutual Authentication

In this video, I discuss Honeypots and Honeynets Data Loss Prevention (DLP) NIDS Versus NIPS

In this video, I discuss IPV4 Addressing IP Terminology Bit Byte Octet Network Address Broadcast Address Hierarchical IP Addressing Scheme Network Addressing Network Address Range: Class A Network Address Range: Class B Network Address Range: Class C Network Address Ranges: Classes D and E Network Addresses: Special Purpose Class A Addresses

In this video, I discuss Packet filtering NAT filtering Application-level gateway (ALG) Circuit-level gateway Proxy servers IP proxy Caching proxy

In this video, I discuss Internet Control Message Protocol (ICMP) Buffer/Source Quence Hops/Time Exceeded Ping Traceroute Address Resolution Protocol (ARP) Reverse Address Resolution Protocol (RARP) Proxy Address Resolution Protocol (Proxy ARP) Summary

In this video, I discuss ARP Poisoning Chapter Summary Network Perimeter Security Firewalls and Network Security Firewalls

In this video, I discuss Port Numbers TCP Session: Source Port TCP Session: Destination Port TCP Session: Syn Packet Acknowledgement Internet Layer Protocols Internet Protocol (IP) Header Length Priority and Type of Service Total Length Identification Flags Fragment Offset Time to Live Protocol Header Checksum Source IP Address Destination IP Address Options Data

In this video, I discuss Sinkholes and Blackholes Spoofing Session Hijacking Session theft TCP/IP hijacking Blind hijacking Clickjacking Man-in-the-middle (MITM) Man-in-the-browser (MITB) Watering hole attack Replay Null Sessions Transitive Access and Client-Side Attacks DNS Poising and Other DNS Attacks

In this video, I discuss DHCP Conflicts Automatic Private IP Addressing (APIPA) The Host-to-Host Layer Protocols Transmission Control Protocol (TCP) TCP Segment Format Source Port Destination Port Sequence Number Header Length Reserved Code Bits/Flags Window Checksum Urgent Options Data User Datagram Protocol (UDP) UDP Segment Format Source Port Destination Port Length Checksum Data

In this video, I discuss Malicious Attacks DoS (Denial of service attacks) Flood attack Ping flood Smurf attack Fraggle SYN attack Xmas attack Ping of Death Teardrop attack Permanent DoS attack Fork bomb DDoS (Distributed denial-of-service)

In this video, I discuss A brief history of TCP/IP The Process/Application Layer Protocols Telnet File Transfer Protocol (FTP) Trivial File Transfer Protocol (TFTP) Network File System (NFS) Simple Mail Transfer Protocol (SMTP) Post Office Protocol (POP) Simple Network Management Protocol (SMTP) Secure Shell (SSH) Hypertext Transfer Protocol (HTTP) Hypertext Transfer Protocol Secure (HTTPS) Network Time Protocol (NTP) Domain Name Service (DNS) Dynamic Host Configuration Protocol (DHCP)/Bootstrap Protocol (BootP)

In this video, I discuss Networking Protocols and Threats Ports and Protocols Port Ranges, Inbound Versus Outbound, and Common Ports Inbound ports Outbound ports Within the operating system GUI Within the CLI Within a firewall

In this video, I discuss Ethernet Cabling Straight-Through Cable Crossover Cable Rolled Cable Data Encapsulation Summary

In this video, I discuss Server Defense File Servers Network Controllers E-mail Servers Web Servers FTP Server Chapter Summary

In this video, I discuss Ethernet at the Physical Layer 10Base2 10Base5 10BaseT 100Base-TX (IEEE 802.3u) 100Base-FX (IEEE 802.3u) 1000Base-CX (IEEE 802.3z) 1000Base-T (IEEE 802.3ab) 1000Base-SX (IEEE 802.3z) 1000Base-LX (IEEE 802.3z) 1000Base-ZX (Cisco standard) 10GBase-T 10GBase-Short Range (SR) 10GBase-Long Range (LR) 10GBase-Extended Range (ER) 10GBase-Short Wavelength (SW) 10GBase-Long Wavelength (LW) 10GBase-Extra Long Wavelength (EW)

In this video, I discuss Cloud Computing Software as a service (SaaS) Infrastructure as a service (IaaS) Platform as a service (PaaS) Security as a service (SECaaS) Public cloud Private cloud Hybrid cloud Community cloud Cloud Security Complex passwords Powerful authentication methods Strong cloud data access policies Encryption Standardization of programming Protection of all the data

In this video, I discuss Subnetting Virtual Local Area Network (VLAN) Telephony Modems PBX Equipment VoIP Cloud Security and Server Defense

In this video, I discuss Source Address (SA) Length or Type Data Frame Check Sequence (FCS) 802.2 and SNAP 802.2 Frame SNAP Frame

In this video, I created a peer to peer network.