DNS AdBlocker

HTTP Server

• Returns a 1 x 1 transparent image no matter what's requested

Notes

• Needs to be ran as sudo in order to connect to the reserved ports (53 and 80)
• Only supports one query and reply at a time

Sources

• Computer Networking A Top-Down Approach 7th edition
• Beej's Guide to C Programming
• Beej's Guide to Network Programming
• Beej's Demo Server UDP
• Beej's Demo Client UDP
• Beej's Demo Server TCP
• DNS RFC
• Hosts List