note.heebin.site2. Https Ssl/tlsWhat is HTTPS? HTTPS stands for HTTP + SSL/TLS, a protocol that encrypts data to enhance security. It ensures secure data transmission between the client and the server. In plain HTTP, a third party can intercept the data exchanged between the clie...Oct 31, 2024·2 min read
note.heebin.site3. DHCP Process : DORADISCOVER The new client broadcasts a message to find the DHCP server because, at first, the client doesn’t know the DHCP server's location. OFFER The DHCP server responds with an available private IP address, offering it to the client. REQUEST ...Oct 18, 2024·1 min read
note.heebin.site1. STP PVST EtherChannel HSRPSTP (Spanning Tree Protocol) Blocking specific ports to avoid broadcast loops. Set root switch, determine root ports based on the root switch, and designate designated ports and undesignated ports (criteria: switch priority, cost to the root switch...Oct 11, 2024·2 min read
note.heebin.site[Bedrock Lambda API Gateway]Trouble Shooting When Using AWS Bedrock, Lambda, and API Gateway1. Bedrock Model Access: IAM Permissions Not Enough Issue: Even with correct IAM permissions, additional access requests are needed to use Bedrock models. Solution: Go to the Bedrock console and submit a "Request to Access" for the desired model. T...Aug 10, 2024·2 min read
note.heebin.siteMail service memoSMTP Simple Mail Transfer Protocol Email sending and transmission POP Post Office Protocol Email reception and download Basic Operation: Downloads emails from the server to the client and stores them locally. Server Interaction: By default, ...Aug 5, 2024·1 min read