Banner Grabbing

Telnet Banner Grab

telnet 10.10.182.147 80
GET / HTTP/1.0
host: telnet

GET / HTTP/1.1
host: telnet

telnet banner grab

NetCat Banner Grab

nc 10.10.182.147
GET / HTTP/1.1
host: netcat

GET / HTTP/1.0
host: netcat

NetCat FTP Banner Grab

nc ftp

Openssl banner grab

• Used when https is open on the host

openssl s_client -connect domain.com:443 
GET / HTTP/1.0