WuDiaries

Virtual HostsVirtual hosts are websites running on multiple domains on the same physical server, and these units are independent of each other. They can have their own separate domain names, IP addresses, and website content, but they share the same server and operating system, as shown below: Web users can access a specific website by domain name, IP address, or port, as shown in the figure below: Virtual hosts are typically used in the following scenarios: Hosting multiple websites with dif ...

IntroductionThis was an assignment for Cloud Security class in semester 1, 2022. The requirements asked me to pack a web application into Docker and then deploy the service on the cloud using Kubernetes. The entire lab environment was built on OCI (Oracle Cloud Infrastructure). Here are my configuration notes and the pitfalls I stepped through to help take the easy way out when deploying services to OCI in the future. This diary focuses on the deployment phase. Since OCI has some pre-defined ipt ...

Nmap NMAP（Network Mapper）is a free and open source utility for network discovery and security auditing. Scan Types-sT: TCP-sS: SYN-sA: ACK-sU: UDP-sR: RPC-sP: ICMP-sn: Disable port scan, usually for ping scanning I usually use these commands, but the bad sides are time consuming and huge amount of requests. nmap -sS -sV -Pn -vv -p- -A -T4 -O <target>nmap -sS -sC -sV -oA <NAME>.tcp <target> -vnmap -sU -sS -sC -sV -oA <NAME>.udp <target> -v Output-oN <File>- ...