DHCP Process Discover – Client sends a broadcast Discover Offer – Server replies with an offer of IP details Request – Client has received the offer and requests the IP details offered Acknowledge – Server answers back with an acknowledgement of the IP details
Monthly archives: November 2020
6 posts
Unplug your device from the power Press and hold the reset button and apply the power When LED starts flashing, release the button
IP=”$(echo $SSH_CONNECTION | cut -d ” ” -f 1)”HOSTNAME=$(hostname)NOW=$(date +”%e %b %Y, %a %r”) echo ‘Someone from ‘$IP’ logged into ‘$HOSTNAME’ on ‘$NOW’.’ | mail -s ‘SSH Login Notification’ YOUR_EMAIL_ADDRESS — -f FROM_EMAIL_ADDRESS
Stop unathorised access Block unwanted ports Classify and mark connections and packets for QOS or Routing Policy Firewall Functions: Filter packets using filter rules NAT: SRCNAT and DSTNAT to translate source and destination addresses Mangle: to mark connections and/or packets RAW: drop or bypass packets before reaching the connection tracking […]