SERver= computer
Localhost:
Internet
IP: 45.234.34.2
yout comp. => 34.56.101.23
DNS=Donmain Name Server
Domain IP
yashsahu.com 34.34.32.23
shivam.com wr.w.we.r34
{
card_no: "232 23 23 21312 3",
cvv: "456"
}
Packet Snipfing
HTTP: No trasport layer secritye
HTTPS: yash1234 => s#cR3v4
A computer
IP:PORT
23.45.654.2:450
23.45.654.2:451
CRUD: Create, Read, Update, Delete
- GET: (Read)
- Data in URL
- POST: Data manupulation: (Write, Update, Delte)
- Hidden data
- Binary data
- PUT/PETCH: Update
- DELTE: remove
200: OK
404: Not found
http/https- stateless
- Request kari
- Auth
- Reqser
- Ack.
socket connection: (stateful)
callServer
PersonCloth
pink-water
.wrapper{
color: red;
bg: yellow;
}
.wrapper{color:red; bg:yellow;}
DDoS attack: '
Server check: request origin
iFrame
Ankit.com (yash.com)
-
Google: Page Rank Algo.
-
Web Crawler:
- Domain:
- .gov.in
- .org
- .com
- .in
- .uk
- Domain:
-
User: shivam agawal
-
Duration : 10s
-
Google: second highest bidding
- Cricket game online (keyword)
- Shivam: 2$
- ANkit: 5$
-
- Top grade
- Yash: 12$
- Normal
-
yashsahu.com
- Home
- Aritcle
- About Me
- Contact
- Personal Diary
robot.txt
exclude "Psersonl Diary"
-
Load Balancer
-
yash.com
-
Amazon.com
- Cluster of servers
-
Most common OS for server: Linux
username: input
password: input
SELECT * FROM USERSS WHERE username=yash; DELETE TABEL users; , password=yash123
username: yash; DELETE TABEL users;
if(username is valid or not)