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Cisco: Basic ASA v9.8

Review basics of Cisco ASA.

Refer GNS Notes to get Cisco ASAv image.

Remember to use wired NIC adapter with Cloud in GNS3, otherwise use NAT (instead of Cloud) if you connect to home broadband router via wireless.

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Cisco

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Windows command: icacls

Icacls is a command-line utility that can be used to display or modify discretionary access control lists (DACLs) on specified files, and apply stored DACLs to files in specified directories.

Synology: Commonly Used Commands

Commonly used commands via ssh with Synology NAS.

Windows Command: arp - Address Resolution Protocol

Notes from daily work situation. While troubleshooting HSRP, I need to delete arp table on my computer. arp -d * Take a look at other options with arp command: C:\Users\Administrator>arp /? Displays and modifies the IP-to-Physical address translation tables used by address resolution protocol (ARP). ARP -s inet_addr eth_addr [if_addr] ARP -d inet_addr [if_addr] ARP -a [inet_addr] [-N if_addr] [-v] -a Displays current ARP entries by interrogating the current protocol data. If inet_addr is specified, the IP and Physical addresses for only the specified computer are displayed. If more than one network interface uses ARP, entries for each ARP table are displayed. -g Same as -a. -v Displays current ARP entries in verbose mode. All invalid entries and entries on the loop-back interface will be shown. inet_addr Specifies an internet address. -N if_a...