Cyber security

  How to gather information or to do footprinting > ping to check if the site is online or not > nslookup to get IP address of the site > to gather info about the site go to websites like www.whois.domaintool.com , www.netcraft.com, www.shodan.io , www.dnsdumpster.com >> How to gather information about individual  > search for there voter id online

  B elow gives ip address when domain name is known. tracert command is used to know from how many servers that website is reaching us. This is important command because through this we can find if our computer was hacked or not if yes then we can find IPaddress of hacker.

  to view ip address type ipconfig in cmd iana.org is company which assign IP addresses Extended star topology everyone uses this topology bcoz it is easiest and if any problem happens than we can find it easily. FTP(File Transfer Protocol) SSH(Secure SHell) SMTP(Simple Mail Transfer Protocol) HTTP(Hyper Text Transfer Protocol) HTTPS(Hyper Text Transfer Protocol Secure) POP(Post Office Protocol) IMAP(Internet Message Access Protocol) LDAP(Lightweight Directory Access Protocol) FTPS  (also known FTP-SSL( ecure Sockets Layer ), and FTP Secure)