Networking: Difference between revisions
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===Netcat=== | ===Netcat=== | ||
;<code>nc -v -z <host> <port></code> | ;<code>nc -v -z <host> <port></code> | ||
:Tell me if we can open a connection to <host> on <port>. Without -z it works | :Tell me if we can open a connection to <host> on <port>. Without -z it works like telnet | ||
;<code>nc -v -u -z <host> <port></code> | ;<code>nc -v -u -z <host> <port></code> | ||
Revision as of 13:52, 17 August 2018
Check network connections
Netcat
nc -v -z <host> <port>- Tell me if we can open a connection to <host> on <port>. Without -z it works like telnet
nc -v -u -z <host> <port>- Tell me if we can open a connection to <host> on a UDP <port>
Curl
curl -vvv -k --proxy1.0 <proxyIP>:<proxyPort> <Remote URL>- Get the data from <remote URL> -k allows insecure SSL connections
curl -vvv telnet://<IP>:<port>- Just test connectivity to a port
Wget
wget <URL>- Get the data from <URL>
openssl
openssl s_client -showcerts -connect <IP>:443- Test SSL connection