Networking topics

Different types of devices

• Switch vs Router Vs Hub
• Ports and their usages e.g port 25 for smtp port 20 for ftp, port 22 for ssh, port 53 for DNS.
• to Apply md5 encytption use md5sum FileName.
• for sha1 - shasum FileName, for sha256 - sha256sum FileName.

Next is on Wireshark usages and capitsone project