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Network Device Security, Two Addresses :check: - Coggle Diagram
Network Device Security
Network Devices
Components
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Hub :check:
Replicates traffic onto all ports, minimal security
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Sniffer :check:
What is it :check:
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notes
An Ethernet packet(frame): contains in its header SMAC,DMAC
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Device Security
Hardenin :warning:
Hardening of Routers
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Telnet vs SSH
Telnet
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Telnet is susceptible to sniffing because everything, including passwords is sent in plaintext
SSH
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helps with password sniffer, but not with password guessing unless certificates or preset keys are used
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Hardening of Switches
VLAN's
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Creates separate networks through software, not hardware
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is an ongoing process of ensuring that all networking software and router firmware are updated with the latest vendor supplied patches and fixes.
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